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Geant4/processes/hadronic/models/parton_string/diffraction/src/G4FTFAnnihilation.cc

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Differences between /processes/hadronic/models/parton_string/diffraction/src/G4FTFAnnihilation.cc (Version 11.3.0) and /processes/hadronic/models/parton_string/diffraction/src/G4FTFAnnihilation.cc (Version 10.0.p1)


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                                                   >>  27 // $Id: G4FTFAnnihilation.cc 74627 2013-10-17 07:04:38Z gcosmo $
 27 //                                                 28 //
 28                                                    29 
 29 // -------------------------------------------     30 // ------------------------------------------------------------
 30 //      GEANT 4 class implemetation file           31 //      GEANT 4 class implemetation file
 31 //                                                 32 //
 32 //      ---------------- G4FTFAnnihilation ---     33 //      ---------------- G4FTFAnnihilation --------------
 33 //                by V. Uzhinsky, Spring 2011. <<  34 //             by Gunter Folger, October 1998.
 34 //                Take a projectile and a targ <<  35 //        diffractive Excitation used by strings models
 35 //        make annihilation or re-orangement o <<  36 //             Take a projectile and a target
 36 //     Ideas of Quark-Gluon-String model my A. <<  37 //             excite the projectile and target
 37 //                       are implemented.      <<  38 //  Essential changed by V. Uzhinsky in November - December 2006
                                                   >>  39 //  in order to put it in a correspondence with original FRITIOF
                                                   >>  40 //  model. Variant of FRITIOF with nucleon de-excitation is implemented.
                                                   >>  41 //  Other changes by V.Uzhinsky in May 2007 were introduced to fit
                                                   >>  42 //  meson-nucleon interactions. Additional changes by V. Uzhinsky
                                                   >>  43 //  were introduced in December 2006. They treat diffraction dissociation
                                                   >>  44 //  processes more exactly.
 38 // -------------------------------------------     45 // ---------------------------------------------------------------------
 39                                                    46 
 40 #include "globals.hh"                              47 #include "globals.hh"
 41 #include "Randomize.hh"                            48 #include "Randomize.hh"
 42 #include "G4PhysicalConstants.hh"                  49 #include "G4PhysicalConstants.hh"
 43 #include "G4SystemOfUnits.hh"                      50 #include "G4SystemOfUnits.hh"
 44                                                    51 
 45 #include "G4DiffractiveSplitableHadron.hh"         52 #include "G4DiffractiveSplitableHadron.hh"
 46 #include "G4DiffractiveExcitation.hh"              53 #include "G4DiffractiveExcitation.hh"
 47 #include "G4FTFParameters.hh"                      54 #include "G4FTFParameters.hh"
 48 #include "G4ElasticHNScattering.hh"                55 #include "G4ElasticHNScattering.hh"
 49 #include "G4FTFAnnihilation.hh"                    56 #include "G4FTFAnnihilation.hh"
 50                                                    57 
 51 #include "G4LorentzRotation.hh"                    58 #include "G4LorentzRotation.hh"
 52 #include "G4RotationMatrix.hh"                     59 #include "G4RotationMatrix.hh"
 53 #include "G4ThreeVector.hh"                        60 #include "G4ThreeVector.hh"
 54 #include "G4ParticleDefinition.hh"                 61 #include "G4ParticleDefinition.hh" 
 55 #include "G4VSplitableHadron.hh"                   62 #include "G4VSplitableHadron.hh"
 56 #include "G4ExcitedString.hh"                      63 #include "G4ExcitedString.hh"
 57 #include "G4ParticleTable.hh"                      64 #include "G4ParticleTable.hh"
 58 #include "G4Neutron.hh"                            65 #include "G4Neutron.hh"
 59 #include "G4ParticleDefinition.hh"                 66 #include "G4ParticleDefinition.hh"
 60                                                    67 
 61 #include "G4Exp.hh"                            <<  68 //#include "G4ios.hh"
 62 #include "G4Log.hh"                            << 
 63 #include "G4Pow.hh"                            << 
 64                                                << 
 65 //#include "UZHI_diffraction.hh"                   69 //#include "UZHI_diffraction.hh"
 66                                                    70 
 67 #include "G4ParticleTable.hh"                  << 
 68                                                    71 
 69 //============================================     72 //============================================================================
 70                                                    73 
 71 //#define debugFTFannih                            74 //#define debugFTFannih
 72                                                    75 
 73                                                    76 
 74 //============================================     77 //============================================================================
 75                                                    78 
 76 G4FTFAnnihilation::G4FTFAnnihilation() {}          79 G4FTFAnnihilation::G4FTFAnnihilation() {}
 77                                                    80 
 78                                                    81 
 79 //============================================     82 //============================================================================
 80                                                    83 
 81 G4FTFAnnihilation::~G4FTFAnnihilation() {}         84 G4FTFAnnihilation::~G4FTFAnnihilation() {}
 82                                                    85 
 83                                                    86 
 84 //============================================     87 //============================================================================
 85                                                    88 
 86 G4bool G4FTFAnnihilation::Annihilate( G4VSplit     89 G4bool G4FTFAnnihilation::Annihilate( G4VSplitableHadron* projectile, 
 87                                       G4VSplit     90                                       G4VSplitableHadron* target,
 88                                       G4VSplit     91                                       G4VSplitableHadron*& AdditionalString,
 89                                       G4FTFPar     92                                       G4FTFParameters* theParameters ) const  {
 90                                                    93 
 91   #ifdef debugFTFannih                             94   #ifdef debugFTFannih 
 92   G4cout << "---------------------------- Anni     95   G4cout << "---------------------------- Annihilation----------------" << G4endl;
 93   #endif                                           96   #endif
 94                                                    97 
 95   CommonVariables common;                      << 
 96                                                << 
 97   // Projectile parameters                         98   // Projectile parameters
 98   common.Pprojectile = projectile->Get4Momentu <<  99   G4LorentzVector Pprojectile = projectile->Get4Momentum();
 99   G4int ProjectilePDGcode = projectile->GetDef    100   G4int ProjectilePDGcode = projectile->GetDefinition()->GetPDGEncoding();
100   if ( ProjectilePDGcode > 0 ) {                  101   if ( ProjectilePDGcode > 0 ) {
101     target->SetStatus( 3 );                    << 102     target->SetStatus( 2 );
102     return false;                                 103     return false;
103   }                                               104   } 
104   G4double M0projectile2 = common.Pprojectile. << 105   //G4double M0projectile = Pprojectile.mag();  
                                                   >> 106   //G4double M0projectile2 = projectile->GetDefinition()->GetPDGMass() *
                                                   >> 107   //                         projectile->GetDefinition()->GetPDGMass(); 
                                                   >> 108   G4double M0projectile2 = Pprojectile.mag2();
105                                                   109 
106   // Target parameters                            110   // Target parameters
107   G4int TargetPDGcode = target->GetDefinition(    111   G4int TargetPDGcode = target->GetDefinition()->GetPDGEncoding();
108   common.Ptarget = target->Get4Momentum();     << 112   G4LorentzVector Ptarget = target->Get4Momentum();
109   G4double M0target2 = common.Ptarget.mag2();  << 113   //G4double M0target = Ptarget.mag();
                                                   >> 114   //G4double M0target2 = target->GetDefinition()->GetPDGMass() *
                                                   >> 115   //                     target->GetDefinition()->GetPDGMass();
                                                   >> 116   G4double M0target2 = Ptarget.mag2();
110                                                   117 
111   #ifdef debugFTFannih                            118   #ifdef debugFTFannih
112   G4cout << "PDG codes " << ProjectilePDGcode     119   G4cout << "PDG codes " << ProjectilePDGcode << " " << TargetPDGcode << G4endl
113          << "Pprojec " << common.Pprojectile < << 120          << "Pprojec " << Pprojectile << " " << Pprojectile.mag() << G4endl
114          << "Ptarget " << common.Ptarget    << << 121          << "Ptarget " << Ptarget    << " " << Ptarget.mag() << G4endl
115          << "M0 proj target " << std::sqrt( M0    122          << "M0 proj target " << std::sqrt( M0projectile2 ) 
116          << " " << std::sqrt( M0target2 ) << G    123          << " " << std::sqrt( M0target2 ) << G4endl;
117   #endif                                          124   #endif
118                                                   125 
                                                   >> 126   G4double AveragePt2 = theParameters->GetAveragePt2();
                                                   >> 127 
119   // Kinematical properties of the interaction    128   // Kinematical properties of the interactions
120   G4LorentzVector Psum = common.Pprojectile +  << 129   G4LorentzVector Psum;  // 4-momentum in CMS
121   common.S = Psum.mag2();                      << 130   Psum = Pprojectile + Ptarget;
122   common.SqrtS = std::sqrt( common.S );        << 131   G4double S = Psum.mag2(); 
                                                   >> 132 
123   #ifdef debugFTFannih                            133   #ifdef debugFTFannih
124   G4cout << "Psum SqrtS S " << Psum << " " <<  << 134   G4cout << "Psum SqrtS S " << Psum << " " << std::sqrt( S ) << " " << S << G4endl;
125   #endif                                          135   #endif
126                                                   136 
127   // Transform momenta to cms and then rotate     137   // Transform momenta to cms and then rotate parallel to z axis
128   G4LorentzRotation toCms( -1*Psum.boostVector    138   G4LorentzRotation toCms( -1*Psum.boostVector() );
129   G4LorentzVector Ptmp( toCms*common.Pprojecti << 139   G4LorentzVector Ptmp = toCms*Pprojectile;
130   toCms.rotateZ( -1*Ptmp.phi() );                 140   toCms.rotateZ( -1*Ptmp.phi() );
131   toCms.rotateY( -1*Ptmp.theta() );               141   toCms.rotateY( -1*Ptmp.theta() );
132   common.toLab = toCms.inverse();              << 142   G4LorentzRotation toLab( toCms.inverse() );
133                                                << 
134   if ( G4UniformRand() <= G4Pow::GetInstance() << 
135     common.RotateStrings = true;               << 
136     common.RandomRotation.rotateZ( 2.0*pi*G4Un << 
137     common.RandomRotation.rotateY( std::acos(  << 
138     common.RandomRotation.rotateZ( 2.0*pi*G4Un << 
139   }                                            << 
140                                                   143 
                                                   >> 144   G4double SqrtS = std::sqrt( S );
                                                   >> 145   G4double maxPtSquare;
                                                   >> 146   G4double X_a( 0.0 ), X_b( 0.0 ), X_c( 0.0 ), X_d( 0.0 );
141   G4double MesonProdThreshold = projectile->Ge    147   G4double MesonProdThreshold = projectile->GetDefinition()->GetPDGMass() +
142                                 target->GetDef    148                                 target->GetDefinition()->GetPDGMass() +
143                                 ( 2.0*140.0 +     149                                 ( 2.0*140.0 + 16.0 )*MeV;  // 2 Mpi + DeltaE
144   G4double Prel2 = sqr(common.S) + sqr(M0proje << 150   G4double Prel2 = S*S + M0projectile2*M0projectile2 + M0target2*M0target2 -
145                    - 2.0*( common.S*(M0project << 151                    2.0*S*M0projectile2 - 2.0*S*M0target2 - 2.0*M0projectile2*M0target2;
146   Prel2 /= common.S;                           << 152   Prel2 /= S;
147   G4double X_a = 0.0, X_b = 0.0, X_c = 0.0, X_ << 153   //G4cout << "Prel2 " << Prel2 << G4endl;
148   if ( Prel2 <= 0.0 ) {                        << 154   if ( Prel2 <= 0.0 ) {  // *MeV*MeV 1600.
149     // Annihilation at rest! Values are copied    155     // Annihilation at rest! Values are copied from Parameters
150     X_a = 625.1;    // mb  // 3-shirt diagram  << 156     X_a =  625.1;    // mb  // 3-shirt diagram
151     X_b =   0.0;    // mb  // anti-quark-quark << 157     X_b =    0.0;    // 9.780 12 Dec. 2012;  // mb  // anti-quark-quark annihilation
152     X_c =  49.989;  // mb  // 2 Q-Qbar string  << 158     X_c =   49.989;  // mb
153     X_d =   6.614;  // mb  // One Q-Qbar strin << 159     X_d =    6.614;  // mb
                                                   >> 160 
154     #ifdef debugFTFannih                          161     #ifdef debugFTFannih 
155     G4cout << "Annih at Rest X a b c d " << X_    162     G4cout << "Annih at Rest X a b c d " << X_a << " " << X_b << " " << X_c << " " << X_d 
156            << G4endl;                             163            << G4endl;
157     #endif                                        164     #endif
                                                   >> 165 
158   } else { // Annihilation in flight!             166   } else { // Annihilation in flight!
159     G4double FlowF = 1.0 / std::sqrt( Prel2 )*    167     G4double FlowF = 1.0 / std::sqrt( Prel2 )*GeV;
                                                   >> 168 
160     // Process cross sections                     169     // Process cross sections
161     X_a = 25.0*FlowF;  // mb 3-shirt diagram      170     X_a = 25.0*FlowF;  // mb 3-shirt diagram
162     if ( common.SqrtS < MesonProdThreshold ) { << 171     if ( SqrtS < MesonProdThreshold ) {
163       X_b = 3.13 + 140.0*G4Pow::GetInstance()- << 172       X_b = 3.13 + 140.0*std::pow( ( MesonProdThreshold - SqrtS )/GeV, 2.5 ); 
164     } else {                                      173     } else {
165       X_b = 6.8*GeV / common.SqrtS;  // mb ant << 174       X_b = 6.8*GeV / SqrtS;  // mb anti-quark-quark annihilation
166     }                                             175     }
167     if ( projectile->GetDefinition()->GetPDGMa    176     if ( projectile->GetDefinition()->GetPDGMass() + target->GetDefinition()->GetPDGMass()
168          > common.SqrtS ) {                    << 177          > SqrtS ) {
169       X_b = 0.0;                                  178       X_b = 0.0;
170     }                                             179     }
171     // This can be in an interaction of low en    180     // This can be in an interaction of low energy anti-baryon with off-shell nuclear nucleon
172     X_c = 2.0 * FlowF * sqr( projectile->GetDe    181     X_c = 2.0 * FlowF * sqr( projectile->GetDefinition()->GetPDGMass() +
173                              target->GetDefini << 182                              target->GetDefinition()->GetPDGMass() ) / S; // mb re-arrangement of
174                                                << 183                                                                           // 2 quarks and 2 anti-quarks
175     X_d = 23.3*GeV*GeV / common.S; // mb anti- << 184     X_d = 23.3*GeV*GeV / S; // mb anti-quark-quark string creation
                                                   >> 185 
176     #ifdef debugFTFannih                          186     #ifdef debugFTFannih 
177     G4cout << "Annih in Flight X a b c d " <<     187     G4cout << "Annih in Flight X a b c d " << X_a << " " << X_b << " " << X_c << " " << X_d
178            << G4endl << "SqrtS MesonProdThresh << 188            << G4endl << "SqrtS MesonProdThreshold " << SqrtS << " " << MesonProdThreshold
179            << G4endl;                             189            << G4endl;
180     #endif                                        190     #endif
                                                   >> 191 
181   }                                               192   } 
182                                                   193 
183   G4bool isUnknown = false;                    << 194   if ( ProjectilePDGcode == -2212 && ( TargetPDGcode == 2212 || TargetPDGcode == 2214 ) ) { 
184   if ( TargetPDGcode == 2212  ||  TargetPDGcod << 195     X_b *= 5.0; X_c *= 5.0; X_d *= 6.0;  // Pbar P
185     if        ( ProjectilePDGcode == -2212  || << 196   } else if ( ProjectilePDGcode == -2212 && ( TargetPDGcode == 2112 || TargetPDGcode == 2114 ) ) {
186       X_b *= 5.0; X_c *= 5.0; X_d *= 6.0;  //  << 197     X_b *= 4.0; X_c *= 4.0; X_d *= 4.0;  // Pbar N
187     } else if ( ProjectilePDGcode == -2112  || << 198   } else if ( ProjectilePDGcode == -2112 && ( TargetPDGcode == 2212 || TargetPDGcode == 2214 ) ) {
188       X_b *= 4.0; X_c *= 4.0; X_d *= 4.0;  //  << 199     X_b *= 4.0; X_c *= 4.0; X_d *= 4.0;  // NeutrBar P
189     } else if ( ProjectilePDGcode == -3122 ) { << 200   } else if ( ProjectilePDGcode == -2112 && ( TargetPDGcode == 2112 || TargetPDGcode == 2114 ) ) {
190       X_b *= 3.0; X_c *= 3.0; X_d *= 2.0;  //  << 201     X_b *= 5.0; X_c *= 5.0; X_d *= 6.0;  // NeutrBar N
191     } else if ( ProjectilePDGcode == -3112 ) { << 202   } else if ( ProjectilePDGcode == -3122 && ( TargetPDGcode == 2212 || TargetPDGcode == 2214 ) ) {
192       X_b *= 2.0; X_c *= 2.0; X_d *= 0.0;  //  << 203     X_b *= 3.0; X_c *= 3.0; X_d *= 2.0;  // LambdaBar P
193     } else if ( ProjectilePDGcode == -3212 ) { << 204   } else if ( ProjectilePDGcode == -3122 && ( TargetPDGcode == 2112 || TargetPDGcode == 2114 ) ) {
194       X_b *= 3.0; X_c *= 3.0; X_d *= 2.0;  //  << 205     X_b *= 3.0; X_c *= 3.0; X_d *= 2.0;  // LambdaBar N
195     } else if ( ProjectilePDGcode == -3222 ) { << 206   } else if ( ProjectilePDGcode == -3112 && ( TargetPDGcode == 2212 || TargetPDGcode == 2214 ) ) {
196       X_b *= 4.0; X_c *= 4.0; X_d *= 2.0;  //  << 207     X_b *= 2.0; X_c *= 2.0; X_d *= 0.0;  // Sigma-Bar P
197     } else if ( ProjectilePDGcode == -3312 ) { << 208   } else if ( ProjectilePDGcode == -3112 && ( TargetPDGcode == 2112 || TargetPDGcode == 2114 ) ) {
198       X_b *= 1.0; X_c *= 1.0; X_d *= 0.0;  //  << 209     X_b *= 4.0; X_c *= 4.0; X_d *= 2.0;  // Sigma-Bar N
199     } else if ( ProjectilePDGcode == -3322 ) { << 210   } else if ( ProjectilePDGcode == -3212 && ( TargetPDGcode == 2212 || TargetPDGcode == 2214 ) ) {
200       X_b *= 2.0; X_c *= 2.0; X_d *= 0.0;  //  << 211     X_b *= 3.0; X_c *= 3.0; X_d *= 2.0;  // Sigma0Bar P
201     } else if ( ProjectilePDGcode == -3334 ) { << 212   } else if ( ProjectilePDGcode == -3212 && ( TargetPDGcode == 2112 || TargetPDGcode == 2114 ) ) {
202       X_b *= 0.0; X_c *= 0.0; X_d *= 0.0;  //  << 213     X_b *= 3.0; X_c *= 3.0; X_d *= 2.0;  // Sigma0Bar N
203     } else {                                   << 214   } else if ( ProjectilePDGcode == -3222 && ( TargetPDGcode == 2212 || TargetPDGcode == 2214 ) ) {
204       isUnknown = true;                        << 215     X_b *= 4.0; X_c *= 4.0; X_d *= 2.0;  // Sigma+Bar P
205     }                                          << 216   } else if ( ProjectilePDGcode == -3222 && ( TargetPDGcode == 2112 || TargetPDGcode == 2114 ) ) {
206   } else if ( TargetPDGcode == 2112  ||  Targe << 217     X_b *= 2.0; X_c *= 2.0; X_d *= 0.0;  // Sigma+Bar N
207     if        ( ProjectilePDGcode == -2212  || << 218   } else if ( ProjectilePDGcode == -3312 && ( TargetPDGcode == 2212 || TargetPDGcode == 2214 ) ) {
208       X_b *= 4.0; X_c *= 4.0; X_d *= 4.0;  //  << 219     X_b *= 1.0; X_c *= 1.0; X_d *= 0.0;  // Xi-Bar P
209     } else if ( ProjectilePDGcode == -2112  || << 220   } else if ( ProjectilePDGcode == -3312 && ( TargetPDGcode == 2112 || TargetPDGcode == 2114 ) ) {
210       X_b *= 5.0; X_c *= 5.0; X_d *= 6.0;  //  << 221     X_b *= 2.0; X_c *= 2.0; X_d *= 0.0;  // Xi-Bar N
211     } else if ( ProjectilePDGcode == -3122 ) { << 222   } else if ( ProjectilePDGcode == -3322 && ( TargetPDGcode == 2212 || TargetPDGcode == 2214 ) ) {
212       X_b *= 3.0; X_c *= 3.0; X_d *= 2.0;  //  << 223     X_b *= 2.0; X_c *= 2.0; X_d *= 0.0;  // Xi0Bar P
213     } else if ( ProjectilePDGcode == -3112 ) { << 224   } else if ( ProjectilePDGcode == -3322 && ( TargetPDGcode == 2112 || TargetPDGcode == 2114 ) ) {
214       X_b *= 4.0; X_c *= 4.0; X_d *= 2.0;  //  << 225     X_b *= 1.0; X_c *= 1.0; X_d *= 0.0;  // Xi0Bar N
215     } else if ( ProjectilePDGcode == -3212 ) { << 226   } else if ( ProjectilePDGcode == -3334 && ( TargetPDGcode == 2212 || TargetPDGcode == 2214 ) ) {
216       X_b *= 3.0; X_c *= 3.0; X_d *= 2.0;  //  << 227     X_b *= 0.0; X_c *= 0.0; X_d *= 0.0;  // Omega-Bar P
217     } else if ( ProjectilePDGcode == -3222 ) { << 228   } else if ( ProjectilePDGcode == -3334 && ( TargetPDGcode == 2112 || TargetPDGcode == 2114 ) ) {
218       X_b *= 2.0; X_c *= 2.0; X_d *= 0.0;  //  << 229     X_b *= 0.0; X_c *= 0.0; X_d *= 0.0;  // Omega-Bar N
219     } else if ( ProjectilePDGcode == -3312 ) { << 
220       X_b *= 2.0; X_c *= 2.0; X_d *= 0.0;  //  << 
221     } else if ( ProjectilePDGcode == -3322 ) { << 
222       X_b *= 1.0; X_c *= 1.0; X_d *= 0.0;  //  << 
223     } else if ( ProjectilePDGcode == -3334 ) { << 
224       X_b *= 0.0; X_c *= 0.0; X_d *= 0.0;  //  << 
225     } else {                                   << 
226       isUnknown = true;                        << 
227     }                                          << 
228   } else {                                        230   } else {
229     isUnknown = true;                          << 
230   }                                            << 
231   if ( isUnknown ) {                           << 
232     G4cout << "Unknown anti-baryon for FTF ann    231     G4cout << "Unknown anti-baryon for FTF annihilation: PDGcodes - "
233            << ProjectilePDGcode << " " << Targ    232            << ProjectilePDGcode << " " << TargetPDGcode << G4endl;
234   }                                               233   }
235                                                   234 
236   #ifdef debugFTFannih                            235   #ifdef debugFTFannih 
237   G4cout << "Annih Actual X a b c d " << X_a <    236   G4cout << "Annih Actual X a b c d " << X_a << " " << X_b << " " << X_c << " " << X_d << G4endl;
238   #endif                                          237   #endif
239                                                   238 
240   G4double Xannihilation = X_a + X_b + X_c + X    239   G4double Xannihilation = X_a + X_b + X_c + X_d;
241                                                   240 
242   // Projectile unpacking                         241   // Projectile unpacking
243   UnpackBaryon( ProjectilePDGcode, common.AQ[0 << 242   G4int AQ[3];
                                                   >> 243   UnpackBaryon( ProjectilePDGcode, AQ[0], AQ[1], AQ[2] );
244                                                   244 
245   // Target unpacking                             245   // Target unpacking
246   UnpackBaryon( TargetPDGcode, common.Q[0], co << 246   G4int Q[3];
                                                   >> 247   UnpackBaryon( TargetPDGcode, Q[0], Q[1], Q[2] ); 
247                                                   248 
248   G4double Ksi = G4UniformRand();                 249   G4double Ksi = G4UniformRand();
249                                                   250 
250   if ( Ksi < X_a / Xannihilation ) {              251   if ( Ksi < X_a / Xannihilation ) {
251     return Create3QuarkAntiQuarkStrings( proje << 
252   }                                            << 
253                                                << 
254   G4int resultCode = 99;                       << 
255   if ( Ksi < (X_a + X_b) / Xannihilation ) {   << 
256     resultCode = Create1DiquarkAntiDiquarkStri << 
257     if ( resultCode == 0 ) {                   << 
258       return true;                             << 
259     } else if ( resultCode == 99 ) {           << 
260       return false;                            << 
261     }                                          << 
262   }                                            << 
263                                                << 
264   if ( Ksi < ( X_a + X_b + X_c ) / Xannihilati << 
265     resultCode = Create2QuarkAntiQuarkStrings( << 
266     if ( resultCode == 0 ) {                   << 
267       return true;                             << 
268     } else if ( resultCode == 99 ) {           << 
269       return false;                            << 
270     }                                          << 
271   }                                            << 
272                                                   252 
273   if ( Ksi < ( X_a + X_b + X_c + X_d ) / Xanni << 253     // Simulation of 3 anti-quark-quark strings creation
274     return Create1QuarkAntiQuarkString( projec << 254     //    Sampling of anti-quark order in projectile
275   }                                            << 
276                                                << 
277   return true;                                 << 
278 }                                              << 
279                                                   255 
                                                   >> 256     #ifdef debugFTFannih 
                                                   >> 257     G4cout << "Process a, 3 shirt diagram" << G4endl;
                                                   >> 258     #endif
280                                                   259 
281 //-------------------------------------------- << 260     G4int SampledCase = G4RandFlat::shootInt( G4long( 6 ) );
282                                                   261 
283 G4bool G4FTFAnnihilation::                     << 262     G4int Tmp1( 0 ), Tmp2( 0 );
284 Create3QuarkAntiQuarkStrings( G4VSplitableHadr << 263     if ( SampledCase == 0 ) {                                    
285                               G4VSplitableHadr << 264     } else if ( SampledCase == 1 ) { 
286                               G4VSplitableHadr << 265       Tmp1 = AQ[1]; AQ[1] = AQ[2]; AQ[2] = Tmp1;
287                               G4FTFParameters* << 266     } else if ( SampledCase == 2 ) { 
288                               G4FTFAnnihilatio << 267       Tmp1 = AQ[0]; AQ[0] = AQ[1]; AQ[1] = Tmp1; 
289   // Simulation of 3 anti-quark - quark string << 268     } else if ( SampledCase == 3 ) { 
                                                   >> 269       Tmp1 = AQ[0]; Tmp2 = AQ[1];  AQ[0] = AQ[2]; AQ[1] = Tmp1;  AQ[2] = Tmp2;
                                                   >> 270     } else if ( SampledCase == 4 ) { 
                                                   >> 271       Tmp1 = AQ[0]; Tmp2 = AQ[1];  AQ[0] = Tmp2;  AQ[1] = AQ[2]; AQ[2] = Tmp1; 
                                                   >> 272     } else if ( SampledCase == 5 ) { 
                                                   >> 273       Tmp1 = AQ[0]; Tmp2 = AQ[1];  AQ[0] = AQ[2]; AQ[1] = Tmp2;  AQ[2] = Tmp1;
                                                   >> 274     }  
290                                                   275 
291   #ifdef debugFTFannih                         << 276     //  Set the string properties
292   G4cout << "Process a, 3 shirt diagram" << G4 << 
293   #endif                                       << 
294                                                   277 
295   // Sampling kinematical properties of quark. << 278     //G4cout << "String 1 " << AQ[0] << " " << Q[0] << G4endl;
                                                   >> 279     projectile->SplitUp();
                                                   >> 280     projectile->SetFirstParton( AQ[0] );
                                                   >> 281     projectile->SetSecondParton( Q[0] );
                                                   >> 282     projectile->SetStatus( 0 );
296                                                   283 
297   const G4int maxNumberOfLoops = 1000;         << 284     //G4cout << "String 2 " << Q[1] << " " << AQ[1] << G4endl;
298   G4double MassQ2 = 0.0;               // Simp << 285     target->SplitUp();
299                                        // In p << 286     target->SetFirstParton( Q[1] );
300   G4double      Quark_Xs[6];                   << 287     target->SetSecondParton( AQ[1] );
301   G4ThreeVector Quark_Mom[6];                  << 288     target->SetStatus( 0 );
302                                                << 289 
303   G4double Alfa_R = 0.5;                       << 290     //G4cout << "String 3 " << AQ[2] << " " << Q[2] << G4endl;
304   G4double AveragePt2 = 200.0*200.0, maxPtSqua << 291     AdditionalString = new G4DiffractiveSplitableHadron();
305   G4double ScaleFactor = 1.0;                  << 292     AdditionalString->SplitUp();
306   G4double Alfa = 0.0, Beta = 0.0;             << 293     AdditionalString->SetFirstParton( AQ[2] );
307                                                << 294     AdditionalString->SetSecondParton( Q[2] );
308   G4int NumberOfTries = 0, loopCounter = 0;    << 295     AdditionalString->SetStatus( 0 );
309                                                << 296     //G4cout << G4endl << "*AdditionalString in Annih" << AdditionalString << G4endl;
310   do {                                         << 297 
311     // Sampling X's of anti-baryon and baryon  << 298     // Sampling kinematical properties
312     G4double x1 = 0.0, x2 = 0.0, x3 = 0.0;     << 299     // 1 string AQ[0]-Q[0]// 2 string AQ[1]-Q[1]// 3 string AQ[2]-Q[2]
313     G4double Product = 1.0;                    << 300 
314     for ( G4int iCase = 0; iCase < 2; ++iCase  << 301     G4ThreeVector Quark_Mom[6];
                                                   >> 302     G4double ModMom2[6];  //ModMom[6]
                                                   >> 303 
                                                   >> 304     AveragePt2 = 200.0*200.0; maxPtSquare = S;
                                                   >> 305 
                                                   >> 306     G4double SumMt( 0.0 );
                                                   >> 307     G4double MassQ2 = 0.0;  // 100.0*100.0*MeV*MeV;
                                                   >> 308     G4int NumberOfTries( 0 );
                                                   >> 309     G4double ScaleFactor( 1.0 );
                                                   >> 310 
                                                   >> 311     do {  // while ( SumMt > SqrtS );
                                                   >> 312       NumberOfTries++;
                                                   >> 313       if ( NumberOfTries == 100*(NumberOfTries/100) ) {
                                                   >> 314         // At large number of tries it would be better to reduce the values of <Pt^2>
                                                   >> 315         ScaleFactor /= 2.0;
                                                   >> 316         AveragePt2 *= ScaleFactor;
                                                   >> 317       }
                                                   >> 318       G4ThreeVector PtSum( 0.0, 0.0, 0.0 );
                                                   >> 319       for ( G4int i = 0; i < 6; i++ ) {
                                                   >> 320         Quark_Mom [i] = GaussianPt( AveragePt2, maxPtSquare );
                                                   >> 321         PtSum += Quark_Mom[i];
                                                   >> 322       }
                                                   >> 323       PtSum /= 6.0;
                                                   >> 324       SumMt = 0.0;    
                                                   >> 325       for( G4int i = 0; i < 6; i++ ) {
                                                   >> 326         Quark_Mom[i] -= PtSum;
                                                   >> 327         //ModMom[i] = Quark_Mom[i].mag();
                                                   >> 328         ModMom2[i] = Quark_Mom[i].mag2();
                                                   >> 329         SumMt += std::sqrt( ModMom2[i] + MassQ2 );
                                                   >> 330       }
                                                   >> 331     } while ( SumMt > SqrtS );
                                                   >> 332 
                                                   >> 333     G4double WminusTarget( 0.0 ), WplusProjectile( 0.0 );
                                                   >> 334 
                                                   >> 335     // Closed is variant with sampling of Xs at minimum
                                                   >> 336     //G4double SumMod_anti = ModMom[0] + ModMom[1] + ModMom[2];
                                                   >> 337     //Quark_Mom[0].setZ( ModMom[0]/SumMod_anti );
                                                   >> 338     //Quark_Mom[1].setZ( ModMom[1]/SumMod_anti );
                                                   >> 339     //Quark_Mom[2].setZ( ModMom[2]/SumMod_anti );
                                                   >> 340     //G4double SumMod_bary = ModMom[3] + ModMom[4] + ModMom[5];
                                                   >> 341     //Quark_Mom[3].setZ( ModMom[3]/SumMod_bary );
                                                   >> 342     //Quark_Mom[4].setZ( ModMom[4]/SumMod_bary );
                                                   >> 343     //Quark_Mom[5].setZ( ModMom[5]/SumMod_bary );
                                                   >> 344     //G4double Alfa = SumMod_anti*SumMod_anti;
                                                   >> 345     //G4double Beta = SumMod_bary*SumMod_bary;
                                                   >> 346     //G4double DecayMomentum2 = S*S + Alfa*Alfa + Beta*Beta
                                                   >> 347     //                          - 2.0*S*Alfa - 2.0*S*Beta - 2.0*Alfa*Beta;  
                                                   >> 348     //WminusTarget = ( S - Alfa + Beta + std::sqrt( DecayMomentum2 ) )/2.0/SqrtS; 
                                                   >> 349     //WplusProjectile = SqrtS - Beta/WminusTarget;
                                                   >> 350     // Closed is variant with sampling of Xs at minimum
                                                   >> 351 
                                                   >> 352     // Sampling X's of anti-baryon
                                                   >> 353     G4double Alfa_R = 0.5;
                                                   >> 354     NumberOfTries = 0;
                                                   >> 355     ScaleFactor = 1.0;
                                                   >> 356     G4bool Succes( true );
                                                   >> 357 
                                                   >> 358     do {  // while ( ! Succes )
                                                   >> 359 
                                                   >> 360       Succes = true;
                                                   >> 361       NumberOfTries++;
                                                   >> 362       if ( NumberOfTries == 100*(NumberOfTries/100) ) { 
                                                   >> 363         // At large number of tries it would be better to reduce the values of Pt's
                                                   >> 364         ScaleFactor /= 2.0;
                                                   >> 365       }
315                                                   366 
316       G4double r1 = G4UniformRand(), r2 = G4Un << 
317       if ( Alfa_R == 1.0 ) {                      367       if ( Alfa_R == 1.0 ) {
318         x1 = 1.0 - std::sqrt( r1 );            << 368         G4double Xaq1 = 1.0 - std::sqrt( G4UniformRand() );
319         x2 = (1.0 - x1) * r2;                  << 369         G4double Xaq2 = (1.0 - Xaq1) * G4UniformRand();
                                                   >> 370         G4double Xaq3 = 1.0 - Xaq1 - Xaq2;
                                                   >> 371         Quark_Mom[0].setZ( Xaq1 ); Quark_Mom[1].setZ( Xaq2 ); Quark_Mom[2].setZ( Xaq3 );
320       } else {                                    372       } else {
321         x1 = sqr( r1 );                        << 373         G4double Xaq1 = sqr( G4UniformRand() );
322         x2 = (1.0 - x1) * sqr( std::sin( pi/2. << 374         G4double Xaq2 = (1.0 - Xaq1)*sqr( std::sin( pi/2.0*G4UniformRand() ) );
                                                   >> 375         G4double Xaq3 = 1.0 - Xaq1 - Xaq2;
                                                   >> 376         Quark_Mom[0].setZ( Xaq1 ); Quark_Mom[1].setZ( Xaq2 ); Quark_Mom[2].setZ( Xaq3 );
323       }                                           377       }
324       x3 = 1.0 - x1 - x2;                      << 
325                                                   378 
326       G4int index = iCase*3;  // 0 for anti-ba << 379       // Sampling X's of baryon
327       Quark_Xs[index] = x1; Quark_Xs[index+1]  << 380       if ( Alfa_R == 1.0 ) {
328       Product *= (x1*x2*x3);                   << 381         G4double Xq1 = 1.0 - std::sqrt( G4UniformRand() );
329     }                                          << 382         G4double Xq2 = (1.0 - Xq1) * G4UniformRand();
330                                                << 383         G4double Xq3 = 1.0 - Xq1 - Xq2;
331     if ( Product == 0.0 ) continue;            << 384         Quark_Mom[3].setZ( Xq1 ); Quark_Mom[4].setZ( Xq2 ); Quark_Mom[5].setZ( Xq3 );
                                                   >> 385       } else {
                                                   >> 386         G4double Xq1 = sqr( G4UniformRand() );
                                                   >> 387         G4double Xq2 = (1.0 - Xq1) * sqr( std::sin( pi/2.0*G4UniformRand() ) );
                                                   >> 388         G4double Xq3 = 1.0 - Xq1 - Xq2;
                                                   >> 389         Quark_Mom[3].setZ( Xq1 ); Quark_Mom[4].setZ( Xq2 ); Quark_Mom[5].setZ( Xq3 );
                                                   >> 390       }
332                                                   391 
333     ++NumberOfTries;                           << 392       G4double Alfa( 0.0 ), Beta( 0.0 );
334     if ( NumberOfTries == 100*(NumberOfTries/1 << 393       for ( G4int i = 0; i < 3; i++ ) {  // For Anti-baryon
335       // After a large number of tries, it is  << 394         if ( Quark_Mom[i].getZ() != 0.0 ) { 
336       ScaleFactor /= 2.0;                      << 395           Alfa += ( ScaleFactor * ModMom2[i] + MassQ2 ) / Quark_Mom[i].getZ();
337       AveragePt2 *= ScaleFactor;               << 396         } else {
338     }                                          << 397           Succes = false;
                                                   >> 398         }
                                                   >> 399       } 
                                                   >> 400       for ( G4int i = 3; i < 6; i++ ) {  // For baryon
                                                   >> 401         if ( Quark_Mom[i].getZ() != 0.0 ) {
                                                   >> 402           Beta += ( ScaleFactor * ModMom2[i] + MassQ2 ) / Quark_Mom[i].getZ();
                                                   >> 403         } else {
                                                   >> 404           Succes = false;
                                                   >> 405         }
                                                   >> 406       } 
339                                                   407 
340     G4ThreeVector PtSum( 0.0, 0.0, 0.0 );      << 408       if ( ! Succes ) continue;
341     for ( G4int i = 0; i < 6; ++i ) {          << 
342       Quark_Mom [i] = GaussianPt( AveragePt2,  << 
343       PtSum += Quark_Mom[i];                   << 
344     }                                          << 
345                                                   409 
346     PtSum /= 6.0;                              << 410       if ( std::sqrt( Alfa ) + std::sqrt( Beta ) > SqrtS ) {
347     Alfa = 0.0; Beta = 0.0;                    << 411         Succes = false; 
                                                   >> 412         continue;
                                                   >> 413       }
                                                   >> 414 
                                                   >> 415       G4double DecayMomentum2 = S*S + Alfa*Alfa + Beta*Beta
                                                   >> 416                               - 2.0*S*Alfa - 2.0*S*Beta - 2.0*Alfa*Beta;
                                                   >> 417       
                                                   >> 418       WminusTarget = ( S - Alfa + Beta + std::sqrt( DecayMomentum2 ) ) / 2.0 / SqrtS; 
                                                   >> 419       WplusProjectile = SqrtS - Beta/WminusTarget;
                                                   >> 420 
                                                   >> 421     } while ( ! Succes );
                                                   >> 422 
                                                   >> 423     G4double SqrtScaleF = std::sqrt( ScaleFactor );
                                                   >> 424     for ( G4int i = 0; i < 3; i++ ) {
                                                   >> 425       G4double Pz = WplusProjectile * Quark_Mom[i].getZ() / 2.0 -
                                                   >> 426                     ( ScaleFactor * ModMom2[i] + MassQ2 ) / 
                                                   >> 427                     ( 2.0 * WplusProjectile * Quark_Mom[i].getZ() ); 
                                                   >> 428       Quark_Mom[i].setZ( Pz );
                                                   >> 429       if ( ScaleFactor != 1.0 ) {
                                                   >> 430         Quark_Mom[i].setX( SqrtScaleF * Quark_Mom[i].getX() ); 
                                                   >> 431         Quark_Mom[i].setY( SqrtScaleF * Quark_Mom[i].getY() );
                                                   >> 432       }
                                                   >> 433     }
                                                   >> 434     for ( G4int i = 3; i < 6; i++ ) {
                                                   >> 435       G4double Pz = -WminusTarget * Quark_Mom[i].getZ() / 2.0 +
                                                   >> 436                      ( ScaleFactor * ModMom2[i] + MassQ2 ) / 
                                                   >> 437                      ( 2.0 * WminusTarget * Quark_Mom[i].getZ() );
                                                   >> 438       Quark_Mom[i].setZ( Pz );
                                                   >> 439       if ( ScaleFactor != 1.0 ) {
                                                   >> 440         Quark_Mom[i].setX( SqrtScaleF * Quark_Mom[i].getX() ); 
                                                   >> 441         Quark_Mom[i].setY( SqrtScaleF * Quark_Mom[i].getY() );
                                                   >> 442       }
                                                   >> 443     }
                                                   >> 444     //G4cout << "Sum AQ " << Quark_Mom[0] + Quark_Mom[1] + Quark_Mom[2] << G4endl
                                                   >> 445     //       << "Sum Q  " << Quark_Mom[3] + Quark_Mom[4] + Quark_Mom[5] << G4endl;
                                                   >> 446 
                                                   >> 447     G4ThreeVector tmp = Quark_Mom[0] + Quark_Mom[3];
                                                   >> 448     G4LorentzVector Pstring1( tmp, std::sqrt( Quark_Mom[0].mag2() + MassQ2 ) +
                                                   >> 449                                    std::sqrt( Quark_Mom[3].mag2() + MassQ2 ) );
                                                   >> 450     G4double Ystring1 = Pstring1.rapidity();
                                                   >> 451 
                                                   >> 452     //G4cout << "Mom 1 string " << G4endl << Quark_Mom[0] << G4endl << Quark_Mom[3] << G4endl
                                                   >> 453     //       << tmp << " " << tmp.mag() << G4endl;
                                                   >> 454     //G4cout << "1 str " << Pstring1 << " " << Pstring1.mag() << " " << Ystring1 << G4endl;
                                                   >> 455 
                                                   >> 456     tmp = Quark_Mom[1] + Quark_Mom[4];
                                                   >> 457     G4LorentzVector Pstring2( tmp, std::sqrt( Quark_Mom[1].mag2() + MassQ2 ) +
                                                   >> 458                                    std::sqrt( Quark_Mom[4].mag2() + MassQ2 ) );
                                                   >> 459     G4double Ystring2 = Pstring2.rapidity();
                                                   >> 460 
                                                   >> 461     //G4cout << "Mom 2 string " << G4endl << Quark_Mom[1] << G4endl << Quark_Mom[4] << G4endl
                                                   >> 462     //       << tmp << " " << tmp.mag() << G4endl;
                                                   >> 463     //G4cout << "2 str " << Pstring2 << " " << Pstring2.mag() << " " << Ystring2 << G4endl;
                                                   >> 464 
                                                   >> 465     tmp = Quark_Mom[2] + Quark_Mom[5];
                                                   >> 466     G4LorentzVector Pstring3( tmp, std::sqrt( Quark_Mom[2].mag2() + MassQ2 ) +
                                                   >> 467                                    std::sqrt( Quark_Mom[5].mag2() + MassQ2 ) );
                                                   >> 468     G4double Ystring3 = Pstring3.rapidity();
                                                   >> 469 
                                                   >> 470     //G4cout << "Mom 3 string " << G4endl << Quark_Mom[2] << G4endl << Quark_Mom[5] << G4endl
                                                   >> 471     //       << tmp << " " << tmp.mag() << G4endl;
                                                   >> 472     //G4cout << "3 str " << Pstring3 << " " << Pstring3.mag() << " " << Ystring3 << G4endl
                                                   >> 473     //       << "SumE " << Pstring1.e() + Pstring2.e() + Pstring3.e() << G4endl
                                                   >> 474     //       << Pstring1.mag() << " " <<Pstring2.mag() << " " << Pstring3.mag() << G4endl;
                                                   >> 475     //G4int Uzhi; G4cin >> Uzhi;
                                                   >> 476 
                                                   >> 477     G4LorentzVector LeftString( 0.0, 0.0, 0.0, 0.0 );
                                                   >> 478     if ( Ystring1 > Ystring2  &&  Ystring2 > Ystring3 ) {
                                                   >> 479       Pprojectile = Pstring1;
                                                   >> 480       LeftString  = Pstring2;
                                                   >> 481       Ptarget     = Pstring3;
                                                   >> 482     }
                                                   >> 483     if ( Ystring1 > Ystring3  &&  Ystring3 > Ystring2 ) {
                                                   >> 484       Pprojectile = Pstring1;
                                                   >> 485       LeftString  = Pstring3;
                                                   >> 486       Ptarget     = Pstring2;
                                                   >> 487     }
                                                   >> 488 
                                                   >> 489     if ( Ystring2 > Ystring1  &&  Ystring1 > Ystring3 ) {
                                                   >> 490       Pprojectile = Pstring2;
                                                   >> 491       LeftString  = Pstring1;
                                                   >> 492       Ptarget     = Pstring3;
                                                   >> 493     }  
                                                   >> 494     if ( Ystring2 > Ystring3  &&  Ystring3 > Ystring1 ) {
                                                   >> 495       Pprojectile = Pstring2;
                                                   >> 496       LeftString  = Pstring3;
                                                   >> 497       Ptarget     = Pstring1;
                                                   >> 498     }
                                                   >> 499 
                                                   >> 500     if ( Ystring3 > Ystring1  &&  Ystring1 > Ystring2 ) {
                                                   >> 501       Pprojectile = Pstring3;
                                                   >> 502       LeftString  = Pstring1;
                                                   >> 503       Ptarget     = Pstring2;
                                                   >> 504     }
                                                   >> 505     if ( Ystring3 > Ystring2  &&  Ystring2 > Ystring1 ) {
                                                   >> 506       Pprojectile = Pstring3;
                                                   >> 507       LeftString  = Pstring2;
                                                   >> 508       Ptarget     = Pstring1;
                                                   >> 509     }
                                                   >> 510     //G4cout << "SumP " << Pprojectile + LeftString + Ptarget << " " << SqrtS << G4endl;
                                                   >> 511 
                                                   >> 512     Pprojectile.transform( toLab );
                                                   >> 513     LeftString.transform( toLab );
                                                   >> 514     Ptarget.transform( toLab );
                                                   >> 515     //G4cout << "SumP " << Pprojectile + LeftString + Ptarget << " " << SqrtS << G4endl;
348                                                   516 
349     for ( G4int i = 0; i < 6; ++i ) {  // Loop << 517     // Calculation of the creation time
350       Quark_Mom[i] -= PtSum;                   << 518     projectile->SetTimeOfCreation( target->GetTimeOfCreation() );
                                                   >> 519     projectile->SetPosition( target->GetPosition() );
                                                   >> 520     AdditionalString->SetTimeOfCreation( target->GetTimeOfCreation() );
                                                   >> 521     AdditionalString->SetPosition( target->GetPosition() );
                                                   >> 522     // Creation time and position of target nucleon were determined in
                                                   >> 523     // ReggeonCascade() of G4FTFModel
                                                   >> 524 
                                                   >> 525     //G4cout << "Mproj " << Pprojectile.mag() << G4endl << "Mtarg " << Ptarget.mag() << G4endl;
                                                   >> 526     projectile->Set4Momentum( Pprojectile );
                                                   >> 527     AdditionalString->Set4Momentum( LeftString );
                                                   >> 528     target->Set4Momentum( Ptarget );
                                                   >> 529     projectile->IncrementCollisionCount( 1 );
                                                   >> 530     AdditionalString->IncrementCollisionCount( 1 );
                                                   >> 531     target->IncrementCollisionCount( 1 );
351                                                   532 
352       G4double val = ( Quark_Mom[i].mag2() + M << 533     return true;
353       if ( i < 3 ) {  // anti-baryon           << 
354         Alfa += val;                           << 
355       } else {        // baryon (iCase == 1)   << 
356         Beta += val;                           << 
357       }                                        << 
358     }                                          << 
359                                                   534 
360   } while ( ( std::sqrt( Alfa ) + std::sqrt( B << 535   }  // End of if ( Ksi < X_a / Xannihilation )
361             ++loopCounter < maxNumberOfLoops ) << 
362                                                   536 
363   if ( loopCounter >= maxNumberOfLoops ) {     << 537   // Simulation of anti-diquark-diquark string creation
364     return false;                              << 
365   }                                            << 
366                                                   538 
367   G4double DecayMomentum2 = sqr(common.S) + sq << 539   if ( Ksi < (X_a + X_b) / Xannihilation ) {
368                             - 2.0*( common.S*( << 
369                                                   540 
370   G4double WminusTarget = 0.0, WplusProjectile << 541     #ifdef debugFTFannih 
371   WminusTarget = ( common.S - Alfa + Beta + st << 542     G4cout << "Process b, quark - anti-quark annihilation, di-q - anti-di-q string" << G4endl;
372   WplusProjectile = common.SqrtS - Beta/Wminus << 543     #endif
373                                                << 
374   for ( G4int iCase = 0; iCase < 2; ++iCase )  << 
375     G4int index = iCase*3;                 //  << 
376     G4double w = WplusProjectile;          //  << 
377     if ( iCase == 1 ) w = - WminusTarget;  //  << 
378     for ( G4int i = 0; i < 3; ++i ) {          << 
379       G4double Pz = w * Quark_Xs[index+i] / 2. << 
380                     ( Quark_Mom[index+i].mag2( << 
381                     ( 2.0 * w * Quark_Xs[index << 
382       Quark_Mom[index+i].setZ( Pz );           << 
383     }                                          << 
384   }                                            << 
385                                                   544 
386   // Sampling of anti-quark order in projectil << 545     G4int CandidatsN( 0 ), CandAQ[9][2], CandQ[9][2];
387   G4int SampledCase = (G4int)G4RandFlat::shoot << 546     G4int LeftAQ1( 0 ), LeftAQ2( 0 ), LeftQ1( 0 ), LeftQ2( 0 );
388   G4int Tmp1 = 0, Tmp2 = 0;                    << 
389   switch ( SampledCase ) {                     << 
390     case 1 : Tmp1 = common.AQ[1]; common.AQ[1] << 
391     case 2 : Tmp1 = common.AQ[0]; common.AQ[0] << 
392     case 3 : Tmp1 = common.AQ[0]; Tmp2         << 
393              common.AQ[1] = Tmp1;         comm << 
394     case 4 : Tmp1 = common.AQ[0]; Tmp2         << 
395              common.AQ[1] = common.AQ[2]; comm << 
396     case 5 : Tmp1 = common.AQ[0]; Tmp2         << 
397              common.AQ[1] = Tmp2;         comm << 
398   }                                            << 
399                                                   547 
400   // Set the string properties                 << 548     for ( G4int iAQ = 0; iAQ < 3; iAQ++ ) {
401   // An anti quark - quark pair can have the q << 549       for ( G4int iQ = 0; iQ < 3; iQ++ ) {
402   // or a vector meson: the last digit of the  << 550         if ( -AQ[iAQ] == Q[iQ] ) {
403   // For simplicity only scalar is considered  << 551           if ( iAQ == 0 ) { CandAQ[CandidatsN][0] = 1; CandAQ[CandidatsN][1] = 2; }
404   G4int NewCode = 0, antiQuark = 0, quark = 0; << 552           if ( iAQ == 1 ) { CandAQ[CandidatsN][0] = 0; CandAQ[CandidatsN][1] = 2; }
405   G4ParticleDefinition* TestParticle = nullptr << 553           if ( iAQ == 2 ) { CandAQ[CandidatsN][0] = 0; CandAQ[CandidatsN][1] = 1; }
406   for ( G4int iString = 0; iString < 3; ++iStr << 554           if ( iQ  == 0 ) { CandQ[CandidatsN][0]  = 1; CandQ[CandidatsN][1]  = 2; }
407     if ( iString == 0 ) {                      << 555           if ( iQ  == 1 ) { CandQ[CandidatsN][0]  = 0; CandQ[CandidatsN][1]  = 2; }
408       antiQuark = common.AQ[0];  quark = commo << 556           if ( iQ  == 2 ) { CandQ[CandidatsN][0]  = 0; CandQ[CandidatsN][1]  = 1; }
409       projectile->SetFirstParton( antiQuark ); << 557           CandidatsN++;
410       projectile->SetSecondParton( quark );    << 
411       projectile->SetStatus( 0 );              << 
412     } else if ( iString == 1 ) {               << 
413       quark = common.Q[1];  antiQuark = common << 
414       target->SetFirstParton( quark );         << 
415       target->SetSecondParton( antiQuark );    << 
416       target->SetStatus( 0 );                  << 
417     } else {  // iString == 2                  << 
418       antiQuark = common.AQ[2]; quark =  commo << 
419     }                                          << 
420     G4int absAntiQuark = std::abs( antiQuark ) << 
421     G4double aKsi = G4UniformRand();           << 
422     if ( absAntiQuark == absQuark ) {          << 
423       if ( absAntiQuark != 3 ) {  // Not yet c << 
424         NewCode = 111;            // Pi0-meson << 
425         if ( aKsi < 0.5 ) {                    << 
426           NewCode = 221;          // Eta -meso << 
427           if ( aKsi < 0.25 ) {                 << 
428             NewCode = 331;        // Eta'-meso << 
429           }                                    << 
430         }                                      << 
431       } else {                                 << 
432         NewCode = 221;            // Eta -meso << 
433         if ( aKsi < 0.5 ) {                    << 
434           NewCode = 331;          // Eta'-meso << 
435         }                                         558         }
436       }                                           559       }
437     } else {  // Vector mesons - rho, omega, p << 
438       if ( absAntiQuark > absQuark ) {         << 
439         NewCode = absAntiQuark*100 + absQuark* << 
440       } else {                                 << 
441         NewCode = absQuark*100 + absAntiQuark* << 
442       }                                        << 
443     }                                          << 
444     if ( iString == 2 ) AdditionalString = new << 
445     TestParticle = G4ParticleTable::GetParticl << 
446     if ( ! TestParticle ) return false;        << 
447     if ( iString == 0 ) {                      << 
448       projectile->SetDefinition( TestParticle  << 
449       theParameters->SetProjMinDiffMass( 0.5 ) << 
450       theParameters->SetProjMinNonDiffMass( 0. << 
451     } else if ( iString == 1 ) {               << 
452       target->SetDefinition( TestParticle );   << 
453       theParameters->SetTarMinDiffMass( 0.5 ); << 
454       theParameters->SetTarMinNonDiffMass( 0.5 << 
455     } else {  // iString == 2                  << 
456       AdditionalString->SetDefinition( TestPar << 
457       AdditionalString->SetFirstParton( common << 
458       AdditionalString->SetSecondParton( commo << 
459       AdditionalString->SetStatus( 0 );        << 
460     }                                             560     }
461   }  // End of the for loop over the 3 string  << 561     //G4cout << "CandidatsN " << CandidatsN << G4endl;
462                                                << 
463   // 1st string AQ[0]-Q[0], 2nd string AQ[1]-Q << 
464                                                   562 
465   G4LorentzVector Pstring1, Pstring2, Pstring3 << 563     if ( CandidatsN != 0 ) {
466   G4int QuarkOrder[3] = { 0 };                 << 564       G4int SampledCase = G4RandFlat::shootInt( G4long( CandidatsN ) );
467   G4double YstringMax = 0.0, YstringMin = 0.0; << 565       LeftAQ1 = AQ[ CandAQ[SampledCase][0] ];
468   for ( G4int i = 0; i < 3; ++i ) {            << 566       LeftAQ2 = AQ[ CandAQ[SampledCase][1] ];
469     G4ThreeVector tmp = Quark_Mom[i] + Quark_M << 567       LeftQ1  =  Q[ CandQ[SampledCase][0] ];
470     G4LorentzVector Pstring( tmp, std::sqrt( Q << 568       LeftQ2  =  Q[ CandQ[SampledCase][1] ];
471                                   std::sqrt( Q << 569 
472     // Add protection for  rapidity = 0.5*ln(  << 570       // Build anti-diquark and diquark
473     G4double Ystring = 0.0;                    << 571       G4int Anti_DQ( 0 ), DQ( 0 );
474     if ( Pstring.e() > 1.0e-30 ) {             << 572       if ( std::abs( LeftAQ1 ) > std::abs( LeftAQ2 ) ) { 
475       if ( Pstring.e() + Pstring.pz() < 1.0e-3 << 573         Anti_DQ = 1000*LeftAQ1 + 100*LeftAQ2 - 3;  // 1
476         Ystring = -1.0e30;   // A very large n << 
477         if ( Pstring.e() - Pstring.pz() < 1.0e << 
478           Ystring = 1.0e30;  // A very large p << 
479         } else {  // Normal case               << 
480           Ystring = Pstring.rapidity();        << 
481         }                                      << 
482       }                                        << 
483     }                                          << 
484     // Keep ordering in rapidity: "1" highest, << 
485     if ( i == 0 ) {                            << 
486       Pstring1 = Pstring;     YstringMax = Yst << 
487       QuarkOrder[0] = 0;                       << 
488     } else if ( i == 1 ) {                     << 
489       if ( Ystring > YstringMax ) {            << 
490         Pstring2 = Pstring1;  YstringMin = Yst << 
491         Pstring1 = Pstring;   YstringMax = Yst << 
492         QuarkOrder[0] = 1; QuarkOrder[1] = 0;  << 
493       } else {                                    574       } else {
494         Pstring2 = Pstring;   YstringMin = Yst << 575         Anti_DQ = 1000*LeftAQ2 + 100*LeftAQ1 - 3;  // 1
495         QuarkOrder[1] = 1;                     << 
496       }                                           576       }
497     } else {  // i == 2                        << 577       //if ( G4UniformRand() > 0.5 ) Anti_DQ -= 2;
498       if ( Ystring > YstringMax ) {            << 578       if ( std::abs( LeftQ1 ) > std::abs( LeftQ2 ) ) { 
499         Pstring3 = Pstring2;                   << 579         DQ = 1000*LeftQ1 + 100*LeftQ2 + 3;  // 1
500         Pstring2 = Pstring1;                   << 
501         Pstring1 = Pstring;                    << 
502         QuarkOrder[1] = QuarkOrder[0];         << 
503         QuarkOrder[2] = QuarkOrder[1];         << 
504         QuarkOrder[0] = 2;                     << 
505       } else if ( Ystring > YstringMin ) {     << 
506         Pstring3 = Pstring2;                   << 
507         Pstring2 = Pstring;                    << 
508       } else {                                    580       } else {
509         Pstring3 = Pstring;                    << 581         DQ = 1000*LeftQ2 + 100*LeftQ1 + 3;  // 1
510         QuarkOrder[2] = 2;                     << 
511       }                                           582       }
512     }                                          << 583       // if ( G4UniformRand() > 0.5 ) DQ += 2;
513   }                                            << 
514                                                << 
515   G4LorentzVector Quark_4Mom[6];               << 
516   for ( G4int i = 0; i < 6; ++i ) {            << 
517     Quark_4Mom[i] = G4LorentzVector( Quark_Mom << 
518     if ( common.RotateStrings ) Quark_4Mom[i]  << 
519     Quark_4Mom[i].transform( common.toLab );   << 
520   }                                            << 
521                                                << 
522   projectile->Splitting();                     << 
523   projectile->GetNextAntiParton()->Set4Momentu << 
524   projectile->GetNextParton()->Set4Momentum( Q << 
525                                                << 
526   target->Splitting();                         << 
527   target->GetNextParton()->Set4Momentum( Quark << 
528   target->GetNextAntiParton()->Set4Momentum( Q << 
529                                                << 
530   AdditionalString->Splitting();               << 
531   AdditionalString->GetNextAntiParton()->Set4M << 
532   AdditionalString->GetNextParton()->Set4Momen << 
533                                                << 
534   common.Pprojectile = Pstring1;           //  << 
535   common.Ptarget     = Pstring3;           //  << 
536   G4LorentzVector LeftString( Pstring2 );  //  << 
537                                                << 
538   if ( common.RotateStrings ) {                << 
539     common.Pprojectile *= common.RandomRotatio << 
540     common.Ptarget     *= common.RandomRotatio << 
541     LeftString         *= common.RandomRotatio << 
542   }                                            << 
543                                                << 
544   common.Pprojectile.transform( common.toLab ) << 
545   common.Ptarget.transform( common.toLab );    << 
546   LeftString.transform( common.toLab );        << 
547                                                << 
548   // Calculation of the creation time          << 
549   // Creation time and position of target nucl << 
550   projectile->SetTimeOfCreation( target->GetTi << 
551   projectile->SetPosition( target->GetPosition << 
552   AdditionalString->SetTimeOfCreation( target- << 
553   AdditionalString->SetPosition( target->GetPo << 
554                                                << 
555   projectile->Set4Momentum( common.Pprojectile << 
556   AdditionalString->Set4Momentum( LeftString ) << 
557   target->Set4Momentum( common.Ptarget );      << 
558                                                << 
559   projectile->IncrementCollisionCount( 1 );    << 
560   AdditionalString->IncrementCollisionCount( 1 << 
561   target->IncrementCollisionCount( 1 );        << 
562                                                << 
563   return true;                                 << 
564 }                                              << 
565                                                << 
566                                                << 
567 //-------------------------------------------- << 
568                                                << 
569 G4int G4FTFAnnihilation::                      << 
570 Create1DiquarkAntiDiquarkString( G4VSplitableH << 
571                                  G4VSplitableH << 
572                                  G4FTFAnnihila << 
573   // Simulation of anti-diquark-diquark string << 
574   // This method returns an integer code - ins << 
575   //   "0" : successfully ended and nothing el << 
576   //   "1" : successfully completed, but the w << 
577   //  "99" : unsuccessfully ended, nothing els << 
578                                                   584 
579   #ifdef debugFTFannih                         << 585       // Set the string properties
580   G4cout << "Process b, quark - anti-quark ann << 586       //G4cout << "Left ADiQ DiQ " << Anti_DQ << " " << DQ << G4endl;
581   #endif                                       << 587       projectile->SplitUp();
                                                   >> 588       //projectile->SetFirstParton( Anti_DQ );
                                                   >> 589       //projectile->SetSecondParton( DQ );
                                                   >> 590       projectile->SetFirstParton( DQ );
                                                   >> 591       projectile->SetSecondParton( Anti_DQ );
                                                   >> 592       projectile->SetStatus( 0 );
                                                   >> 593       target->SetStatus( 3 );  // The target nucleon has annihilated
                                                   >> 594       Pprojectile.setPx( 0.0 );  // VU Mar1
                                                   >> 595       Pprojectile.setPy( 0.0 );  // VU Mar1
                                                   >> 596       Pprojectile.setPz( 0.0 );
                                                   >> 597       Pprojectile.setE( SqrtS );
                                                   >> 598       Pprojectile.transform( toLab );
                                                   >> 599 
                                                   >> 600       // Calculation of the creation time
                                                   >> 601       projectile->SetTimeOfCreation( target->GetTimeOfCreation() );
                                                   >> 602       projectile->SetPosition( target->GetPosition() );
                                                   >> 603       // Creation time and position of target nucleon were determined in
                                                   >> 604       // ReggeonCascade() of G4FTFModel
                                                   >> 605 
                                                   >> 606       //G4cout << "Mproj " << Pprojectile.mag() << G4endl
                                                   >> 607       //       << "Mtarg " << Ptarget.mag() << G4endl;
                                                   >> 608       projectile->Set4Momentum( Pprojectile );
582                                                   609 
583   G4int CandidatsN = 0, CandAQ[9][2] = {}, Can << 610       projectile->IncrementCollisionCount( 1 );
584   for ( G4int iAQ = 0; iAQ < 3; ++iAQ ) {  //  << 611       target->IncrementCollisionCount( 1 );
585     for ( G4int iQ = 0; iQ < 3; ++iQ ) {   //  << 
586       if ( -common.AQ[iAQ] == common.Q[iQ] ) { << 
587         // Here "0", "1", "2" means, respectiv << 
588         // of the (anti-baryon) projectile or  << 
589         if ( iAQ == 0 ) { CandAQ[CandidatsN][0 << 
590         if ( iAQ == 1 ) { CandAQ[CandidatsN][0 << 
591         if ( iAQ == 2 ) { CandAQ[CandidatsN][0 << 
592         if ( iQ  == 0 ) { CandQ[CandidatsN][0] << 
593         if ( iQ  == 1 ) { CandQ[CandidatsN][0] << 
594         if ( iQ  == 2 ) { CandQ[CandidatsN][0] << 
595         ++CandidatsN;                          << 
596       }                                        << 
597     }                                          << 
598   }                                            << 
599                                                   612 
600   // Remaining two (anti-)quarks that form the << 613       return true;
601   G4int LeftAQ1 = 0, LeftAQ2 = 0, LeftQ1 = 0,  << 
602   if ( CandidatsN != 0 ) {                     << 
603     G4int SampledCase = (G4int)G4RandFlat::sho << 
604     LeftAQ1 = common.AQ[ CandAQ[SampledCase][0 << 
605     LeftAQ2 = common.AQ[ CandAQ[SampledCase][1 << 
606     LeftQ1  =  common.Q[ CandQ[SampledCase][0] << 
607     LeftQ2  =  common.Q[ CandQ[SampledCase][1] << 
608                                                << 
609     // Build anti-diquark and diquark : the la << 
610     // of anti-quark - anti-quark and quark -  << 
611     // or quarks are different. For simplicity << 
612     G4int Anti_DQ = 0, DQ = 0;                 << 
613     if ( std::abs( LeftAQ1 ) > std::abs( LeftA << 
614       Anti_DQ = 1000*LeftAQ1 + 100*LeftAQ2 - 3 << 
615     } else {                                   << 
616       Anti_DQ = 1000*LeftAQ2 + 100*LeftAQ1 - 3 << 
617     }                                          << 
618     if ( std::abs( LeftQ1 ) > std::abs( LeftQ2 << 
619       DQ = 1000*LeftQ1 + 100*LeftQ2 + 3;       << 
620     } else {                                   << 
621       DQ = 1000*LeftQ2 + 100*LeftQ1 + 3;       << 
622     }                                          << 
623                                                << 
624     // Set the string properties               << 
625     projectile->SetFirstParton( DQ );          << 
626     projectile->SetSecondParton( Anti_DQ );    << 
627                                                << 
628     // It is assumed that quark and di-quark m << 
629     G4LorentzVector Pquark  = G4LorentzVector( << 
630     G4LorentzVector Paquark = G4LorentzVector( << 
631                                                << 
632     if ( common.RotateStrings ) {              << 
633       Pquark  *= common.RandomRotation;        << 
634       Paquark *= common.RandomRotation;        << 
635     }                                             614     }
636                                                   615 
637     Pquark.transform( common.toLab );          << 616   }  // End of if ( Ksi < (X_a + X_b) / Xannihilation )
638     Paquark.transform( common.toLab );         << 
639                                                << 
640     projectile->GetNextParton()->Set4Momentum( << 
641     projectile->GetNextAntiParton()->Set4Momen << 
642                                                << 
643     projectile->Splitting();                   << 
644                                                << 
645     projectile->SetStatus( 0 );                << 
646     target->SetStatus( 4 );  // The target nuc << 
647     common.Pprojectile.setPx( 0.0 );           << 
648     common.Pprojectile.setPy( 0.0 );           << 
649     common.Pprojectile.setPz( 0.0 );           << 
650     common.Pprojectile.setE( common.SqrtS );   << 
651     common.Pprojectile.transform( common.toLab << 
652                                                << 
653     // Calculation of the creation time        << 
654     // Creation time and position of target nu << 
655     projectile->SetTimeOfCreation( target->Get << 
656     projectile->SetPosition( target->GetPositi << 
657     projectile->Set4Momentum( common.Pprojecti << 
658                                                << 
659     projectile->IncrementCollisionCount( 1 );  << 
660     target->IncrementCollisionCount( 1 );      << 
661                                                << 
662     return 0;  // Completed successfully: noth << 
663   }  // End of if ( CandidatsN != 0 )          << 
664                                                << 
665   // If we allow the string to interact with o << 
666   // set up MinDiffrMass in Parameters, and as << 
667                                                << 
668   return 1;  // Successfully ended, but the wo << 
669 }                                              << 
670                                                   617 
                                                   >> 618   if ( Ksi < ( X_a + X_b + X_c ) / Xannihilation ) {
671                                                   619 
672 //-------------------------------------------- << 620     // Simulation of 2 anti-quark-quark strings creation
673                                                   621 
674 G4int G4FTFAnnihilation::                      << 622     #ifdef debugFTFannih 
675 Create2QuarkAntiQuarkStrings( G4VSplitableHadr << 623     G4cout << "Process c, quark - anti-quark and string junctions annihilation, 2 strings left."
676                               G4VSplitableHadr << 624            << G4endl;
677                               G4FTFParameters* << 625     #endif
678                               G4FTFAnnihilatio << 
679   // Simulation of 2 anti-quark-quark strings  << 
680   // This method returns an integer code - ins << 
681   //   "0" : successfully ended and nothing el << 
682   //   "1" : successfully completed, but the w << 
683   //  "99" : unsuccessfully ended, nothing els << 
684                                                   626 
685   #ifdef debugFTFannih                         << 627     G4int CandidatsN( 0 ), CandAQ[9][2], CandQ[9][2];
686   G4cout << "Process c, quark - anti-quark and << 628     G4int LeftAQ1( 0 ), LeftAQ2( 0 ), LeftQ1( 0 ), LeftQ2( 0 );
687          << G4endl;                            << 
688   #endif                                       << 
689                                                   629 
690   // Sampling kinematical properties: 1st stri << 630     for ( G4int iAQ = 0; iAQ < 3; iAQ++ ) {
691   G4ThreeVector Quark_Mom[4];                  << 631       for ( G4int iQ = 0; iQ < 3; iQ++ ) {
692   G4double Quark_Xs[4];                        << 632         if ( -AQ[iAQ] == Q[iQ] ) {
693   G4double AveragePt2 = 200.0*200.0, maxPtSqua << 633           if ( iAQ == 0 ) { CandAQ[CandidatsN][0] = 1; CandAQ[CandidatsN][1] = 2; }
694   G4int NumberOfTries = 0, loopCounter = 0;    << 634           if ( iAQ == 1 ) { CandAQ[CandidatsN][0] = 0; CandAQ[CandidatsN][1] = 2; }
695   const G4int maxNumberOfLoops = 1000;         << 635           if ( iAQ == 2 ) { CandAQ[CandidatsN][0] = 0; CandAQ[CandidatsN][1] = 1; }
696   G4double Alfa = 0.0, Beta = 0.0;             << 636           if ( iQ  == 0 ) { CandQ[CandidatsN][0]  = 1; CandQ[CandidatsN][1]  = 2; }
697   G4double WminusTarget = 0.0, WplusProjectile << 637           if ( iQ  == 1 ) { CandQ[CandidatsN][0]  = 0; CandQ[CandidatsN][1]  = 2; }
698   do {                                         << 638           if ( iQ  == 2 ) { CandQ[CandidatsN][0]  = 0; CandQ[CandidatsN][1]  = 1; }
699     // Sampling X's of the 2 quarks and 2 anti << 639           CandidatsN++;
700                                                << 
701     G4double Product = 1.0;                    << 
702     for ( G4int iCase = 0; iCase < 2; ++iCase  << 
703       G4double x = 0.0, r = G4UniformRand();   << 
704       if ( Alfa_R == 1.0 ) {                   << 
705         if ( iCase == 0 ) {  // first string   << 
706           x = std::sqrt( r );                  << 
707         } else {             // second string  << 
708           x = 1.0 - std::sqrt( r );            << 
709         }                                         640         }
710       } else {                                 << 
711         x = sqr( std::sin( pi/2.0*r ) );       << 
712       }                                           641       }
713       G4int index = iCase*2;  // 0 for the fir << 
714       Quark_Xs[index] = x ; Quark_Xs[index+1]  << 
715       Product *= x*(1.0-x);                    << 
716     }                                             642     }
                                                   >> 643     //G4cout << "CandidatsN " << CandidatsN << G4endl;
717                                                   644 
718     if ( Product == 0.0 ) continue;            << 645     if ( CandidatsN != 0 ) {
719                                                << 646       G4int SampledCase = G4RandFlat::shootInt( G4long( CandidatsN ) );
720     ++NumberOfTries;                           << 647       LeftAQ1 = AQ[ CandAQ[SampledCase][0] ];
721     if ( NumberOfTries == 100*(NumberOfTries/1 << 648       LeftAQ2 = AQ[ CandAQ[SampledCase][1] ];
722       // After a large number of tries, it is  << 649       if ( G4UniformRand() < 0.5 ) {
723       ScaleFactor /= 2.0;                      << 650         LeftQ1 = Q[ CandQ[SampledCase][0] ];
724       AveragePt2 *= ScaleFactor;               << 651         LeftQ2 = Q[ CandQ[SampledCase][1] ];
725     }                                          << 652       } else {
726                                                << 653         LeftQ2 = Q[ CandQ[SampledCase][0] ];
727     G4ThreeVector PtSum( 0.0, 0.0, 0.0 );      << 654         LeftQ1 = Q[ CandQ[SampledCase][1] ];
728     for( G4int i = 0; i < 4; ++i ) {           << 655       }
729       Quark_Mom[i] = GaussianPt( AveragePt2, m << 
730       PtSum += Quark_Mom[i];                   << 
731     }                                          << 
732                                                << 
733     PtSum /= 4.0;                              << 
734     for ( G4int i = 0; i < 4; ++i ) {          << 
735       Quark_Mom[i] -= PtSum;                   << 
736     }                                          << 
737                                                   656 
738     Alfa = 0.0; Beta = 0.0;                    << 657       // Set the string properties
739     for ( G4int iCase = 0; iCase < 2; ++iCase  << 658       //G4cout << "String 1 " << LeftAQ1 << " " << LeftQ1 << G4endl;
740        G4int index = iCase * 2;                << 659       projectile->SplitUp();
741        for ( G4int i = 0; i < 2; ++i ) {       << 660       projectile->SetFirstParton( LeftAQ1 );
742           G4double val = ( Quark_Mom[index+i]. << 661       projectile->SetSecondParton( LeftQ1 );
743           if ( iCase == 0 ) {  // first string << 662       projectile->SetStatus( 0 );
744             Alfa += val;                       << 663       //G4cout << "String 2 " << LeftAQ2 << " " << LeftQ2 << G4endl;
745           } else {             // second strin << 664       target->SplitUp();
746             Beta += val;                       << 665       target->SetFirstParton( LeftQ2 );
747           }                                    << 666       target->SetSecondParton( LeftAQ2 );
748        }                                       << 667       target->SetStatus( 0 );
749     }                                          << 
750                                                   668 
751   } while ( ( std::sqrt( Alfa ) + std::sqrt( B << 669       // Sampling kinematical properties
752             ++loopCounter < maxNumberOfLoops ) << 670       // 1 string LeftAQ1-LeftQ1// 2 string LeftAQ2-LeftQ2
                                                   >> 671       G4ThreeVector Quark_Mom[4];
                                                   >> 672       G4double ModMom2[4]; //ModMom[4], 
                                                   >> 673 
                                                   >> 674       AveragePt2 = 200.0*200.0; maxPtSquare = S;
                                                   >> 675 
                                                   >> 676       G4double SumMt( 0.0 );
                                                   >> 677       G4double MassQ2 = 0.0; //100.0*100.0*MeV*MeV;
                                                   >> 678       G4int    NumberOfTries( 0 );
                                                   >> 679       G4double ScaleFactor( 1.0 );
                                                   >> 680 
                                                   >> 681       do { 
                                                   >> 682         NumberOfTries++;
                                                   >> 683         if ( NumberOfTries == 100*(NumberOfTries/100) ) { 
                                                   >> 684           // At large number of tries it would be better to reduce the values of <Pt^2>
                                                   >> 685           ScaleFactor /= 2.0;
                                                   >> 686           AveragePt2 *= ScaleFactor;
                                                   >> 687         }
                                                   >> 688         G4ThreeVector PtSum( 0.0, 0.0, 0.0 );
                                                   >> 689         for( G4int i = 0; i < 4; i++ ) {
                                                   >> 690           Quark_Mom[i] = GaussianPt( AveragePt2, maxPtSquare );
                                                   >> 691           PtSum += Quark_Mom[i];
                                                   >> 692         }
                                                   >> 693         PtSum /= 4.0;
                                                   >> 694         SumMt = 0.0;    
                                                   >> 695         for ( G4int i = 0; i < 4; i++ ) {
                                                   >> 696           Quark_Mom[i] -= PtSum;
                                                   >> 697           //ModMom[i] = Quark_Mom[i].mag();
                                                   >> 698           ModMom2[i] = Quark_Mom[i].mag2();
                                                   >> 699           SumMt += std::sqrt( ModMom2[i] + MassQ2 );
                                                   >> 700         }
                                                   >> 701       } while ( SumMt > SqrtS );
753                                                   702 
754   if ( loopCounter >= maxNumberOfLoops ) {     << 703       G4double WminusTarget( 0.0 ), WplusProjectile( 0.0 );
755     return 99;  // unsuccessfully ended, nothi << 
756   }                                            << 
757                                                   704 
758   G4double DecayMomentum2 = sqr(common.S) + sq << 705       // Sampling X's of anti-baryon
759                             - 2.0*( common.S*( << 706       G4double Alfa_R = 0.5;
760   WminusTarget = ( common.S - Alfa + Beta + st << 707       NumberOfTries = 0;
761   WplusProjectile = common.SqrtS - Beta/Wminus << 708       ScaleFactor = 1.0;
762                                                << 709       G4bool Succes( true );
763   for ( G4int iCase = 0; iCase < 2; ++iCase )  << 710 
764     G4int index = iCase*2;  // 0 for the first << 711       do { 
765     for ( G4int i = 0; i < 2; ++i ) {          << 712 
766       G4double w = WplusProjectile;          / << 713         Succes = true;
767       if ( iCase == 1 ) w = - WminusTarget;  / << 714         NumberOfTries++;
768       G4double Pz = w * Quark_Xs[index+i] / 2. << 715         if ( NumberOfTries == 100*(NumberOfTries/100) ) { 
769                     - ( Quark_Mom[index+i].mag << 716           // At large number of tries it would be better to reduce the values of Pt's
770                       ( 2.0 * w * Quark_Xs[ind << 717           ScaleFactor /= 2.0;
771       Quark_Mom[index+i].setZ( Pz );           << 718         }
772     }                                          << 
773   }                                            << 
774                                                   719 
775   G4int CandidatsN = 0, CandAQ[9][2] = {}, Can << 720         if ( Alfa_R == 1.0 ) {
776   G4int LeftAQ1 = 0, LeftAQ2 = 0, LeftQ1 = 0,  << 721           G4double Xaq1 = std::sqrt( G4UniformRand() );
777   for ( G4int iAQ = 0; iAQ < 3; ++iAQ ) {  //  << 722           G4double Xaq2 = 1.0 - Xaq1;
778     for ( G4int iQ = 0; iQ < 3; ++iQ ) {   //  << 723           Quark_Mom[0].setZ( Xaq1 ); Quark_Mom[1].setZ( Xaq2 ); 
779       if ( -common.AQ[iAQ] == common.Q[iQ] ) { << 724         } else {
780         // Here "0", "1", "2" means, respectiv << 725           G4double Xaq1 = sqr( std::sin( pi/2.0*G4UniformRand() ) );
781         // of the (anti-baryon) projectile or  << 726           G4double Xaq2 = 1.0 - Xaq1;
782         if ( iAQ == 0 ) { CandAQ[CandidatsN][0 << 727           Quark_Mom[0].setZ( Xaq1 ); Quark_Mom[1].setZ( Xaq2 );
783         if ( iAQ == 1 ) { CandAQ[CandidatsN][0 << 728         }
784         if ( iAQ == 2 ) { CandAQ[CandidatsN][0 << 
785         if ( iQ  == 0 ) { CandQ[CandidatsN][0] << 
786         if ( iQ  == 1 ) { CandQ[CandidatsN][0] << 
787         if ( iQ  == 2 ) { CandQ[CandidatsN][0] << 
788         ++CandidatsN;                          << 
789       }                                        << 
790     }                                          << 
791   }                                            << 
792                                                   729 
793   if ( CandidatsN != 0 ) {                     << 730         // Sampling X's of baryon ------------
794     G4int SampledCase = (G4int)G4RandFlat::sho << 731         if ( Alfa_R == 1.0 ) {
795     LeftAQ1 = common.AQ[ CandAQ[SampledCase][0 << 732           G4double Xq1 = 1.0 - std::sqrt( G4UniformRand() );
796     LeftAQ2 = common.AQ[ CandAQ[SampledCase][1 << 733           G4double Xq2 = 1.0 - Xq1;
797     if ( G4UniformRand() < 0.5 ) {             << 734           Quark_Mom[2].setZ( Xq1 ); Quark_Mom[3].setZ( Xq2 );
798       LeftQ1 = common.Q[ CandQ[SampledCase][0] << 735         } else {
799       LeftQ2 = common.Q[ CandQ[SampledCase][1] << 736           G4double Xq1 = sqr( std::sin( pi/2.0*G4UniformRand() ) );
800     } else {                                   << 737           G4double Xq2 = 1.0 - Xq1;
801       LeftQ2 = common.Q[ CandQ[SampledCase][0] << 738           Quark_Mom[2].setZ( Xq1 ); Quark_Mom[3].setZ( Xq2 );
802       LeftQ1 = common.Q[ CandQ[SampledCase][1] << 739         }
803     }                                          << 
804                                                   740 
805     // Set the string properties               << 741         G4double Alfa( 0.0 ), Beta( 0.0 );
806     // An anti quark - quark pair can have the << 742         for ( G4int i = 0; i < 2; i++ ) {  // For Anti-baryon
807     // or a vector meson: the last digit of th << 743           if ( Quark_Mom[i].getZ() != 0.0 ) {
808     // For simplicity only scalar is considere << 744             Alfa += ( ScaleFactor * ModMom2[i] + MassQ2 ) / Quark_Mom[i].getZ();
809     G4int NewCode = 0, antiQuark = 0, quark =  << 745           } else {
810     G4ParticleDefinition* TestParticle = nullp << 746             Succes = false;
811     for ( G4int iString = 0; iString < 2; ++iS << 
812       if ( iString == 0 ) {                    << 
813         antiQuark = LeftAQ1; quark = LeftQ1;   << 
814         projectile->SetFirstParton( antiQuark  << 
815         projectile->SetSecondParton( quark );  << 
816         projectile->SetStatus( 0 );            << 
817       } else {  // iString == 1                << 
818         quark = LeftQ2; antiQuark = LeftAQ2;   << 
819         target->SetFirstParton( quark );       << 
820         target->SetSecondParton( antiQuark );  << 
821         target->SetStatus( 0 );                << 
822       }                                        << 
823       G4int absAntiQuark = std::abs( antiQuark << 
824       G4double aKsi = G4UniformRand();         << 
825       if ( absAntiQuark == absQuark ) {        << 
826         if ( absAntiQuark != 3 ) {             << 
827           NewCode = 111;          // Pi0-meson << 
828           if ( aKsi < 0.5 ) {                  << 
829             NewCode = 221;        // Eta -meso << 
830             if ( aKsi < 0.25 ) {               << 
831               NewCode = 331;      // Eta'-meso << 
832             }                                  << 
833           }                                       747           }
834         } else {                               << 748         } 
835           NewCode = 221;          // Eta -meso << 749         for ( G4int i = 2; i < 4; i++ ) {  // For baryon
836           if ( aKsi < 0.5 ) {                  << 750           if ( Quark_Mom[i].getZ() != 0.0 ) { 
837             NewCode = 331;        // Eta'-meso << 751             Beta += ( ScaleFactor * ModMom2[i] + MassQ2 ) / Quark_Mom[i].getZ();
                                                   >> 752           } else {
                                                   >> 753             Succes = false;
838           }                                       754           }
                                                   >> 755         } 
                                                   >> 756 
                                                   >> 757         if ( ! Succes ) continue;
                                                   >> 758 
                                                   >> 759         if ( std::sqrt( Alfa ) + std::sqrt( Beta ) > SqrtS ) {
                                                   >> 760           Succes = false; 
                                                   >> 761           continue;
839         }                                         762         }
840       } else {                                 << 
841         if ( absAntiQuark > absQuark ) {       << 
842           NewCode = absAntiQuark*100 + absQuar << 
843         } else {                               << 
844           NewCode = absQuark*100 + absAntiQuar << 
845         }                                      << 
846       }                                        << 
847       TestParticle = G4ParticleTable::GetParti << 
848       if ( ! TestParticle ) return 99;  // uns << 
849       if ( iString == 0 ) {                    << 
850         projectile->SetDefinition( TestParticl << 
851         theParameters->SetProjMinDiffMass( 0.5 << 
852         theParameters->SetProjMinNonDiffMass(  << 
853       } else {  // iString == 1                << 
854         target->SetDefinition( TestParticle ); << 
855         theParameters->SetTarMinDiffMass( 0.5  << 
856         theParameters->SetTarMinNonDiffMass( 0 << 
857       }                                        << 
858     }  // End of loop over the 2 string cases  << 
859                                                   763 
860     G4int QuarkOrder[2];                       << 764         G4double DecayMomentum2 = S*S + Alfa*Alfa + Beta*Beta
861     G4LorentzVector Pstring1, Pstring2;        << 765                                 - 2.0*S*Alfa - 2.0*S*Beta - 2.0*Alfa*Beta;
862     G4double Ystring1 = 0.0, Ystring2 = 0.0;   << 766         WminusTarget = ( S - Alfa + Beta + std::sqrt( DecayMomentum2 ) ) / 2.0 / SqrtS; 
863                                                << 767         WplusProjectile = SqrtS - Beta/WminusTarget;
864     for ( G4int iCase = 0; iCase < 2; ++iCase  << 768 
865       G4ThreeVector tmp = Quark_Mom[iCase] + Q << 769       } while ( ! Succes );
866       G4LorentzVector Pstring( tmp, std::sqrt( << 770 
867                                     std::sqrt( << 771       G4double SqrtScaleF = std::sqrt( ScaleFactor );
868       // Add protection for  rapidity = 0.5*ln << 772 
869       G4double Ystring = 0.0;                  << 773       for ( G4int i = 0; i < 2; i++ ) {
870       if ( Pstring.e() > 1.0e-30 ) {           << 774         G4double Pz = WplusProjectile * Quark_Mom[i].getZ() / 2.0 -
871         if ( Pstring.e() + Pstring.pz() < 1.0e << 775                       ( ScaleFactor * ModMom2[i] + MassQ2 ) /
872           Ystring = -1.0e30;   // A very large << 776                       ( 2.0 * WplusProjectile * Quark_Mom[i].getZ() ); 
873           if ( Pstring.e() - Pstring.pz() < 1. << 777         Quark_Mom[i].setZ( Pz );
874             Ystring = 1.0e30;  // A very large << 778         if ( ScaleFactor != 1.0 ) {
875           } else {  // Normal case             << 779           Quark_Mom[i].setX( SqrtScaleF * Quark_Mom[i].getX() ); 
876             Ystring = Pstring.rapidity();      << 780           Quark_Mom[i].setY( SqrtScaleF * Quark_Mom[i].getY() );
877           }                                    << 
878         }                                         781         }
                                                   >> 782         //G4cout << "Anti Q " << i << " " << Quark_Mom[i] << G4endl;
879       }                                           783       }
880       if ( iCase == 0 ) {  // For the first st << 784       for ( G4int i = 2; i < 4; i++ ) {
881         Pstring1 = Pstring; Ystring1 = Ystring << 785         G4double Pz = -WminusTarget * Quark_Mom[i].getZ() / 2.0 +
882       } else {             // For the second s << 786                       ( ScaleFactor * ModMom2[i] + MassQ2 ) /
883         Pstring2 = Pstring; Ystring2 = Ystring << 787                       ( 2.0 * WminusTarget * Quark_Mom[i].getZ() );
                                                   >> 788         Quark_Mom[i].setZ( Pz );
                                                   >> 789         if ( ScaleFactor != 1.0 ) {
                                                   >> 790           Quark_Mom[i].setX( SqrtScaleF * Quark_Mom[i].getX() ); 
                                                   >> 791           Quark_Mom[i].setY( SqrtScaleF * Quark_Mom[i].getY() );
                                                   >> 792         }
                                                   >> 793         //G4cout << "Bary Q " << i << " " << Quark_Mom[i] << G4endl;
884       }                                           794       }
885     }                                          << 795       //G4cout << "Sum AQ " << Quark_Mom[0] + Quark_Mom[1] << G4endl
886     if ( Ystring1 > Ystring2 ) {               << 796       //       << "Sum Q  " << Quark_Mom[2] + Quark_Mom[3] << G4endl;
887       common.Pprojectile = Pstring1;  common.P << 
888       QuarkOrder[0] = 0; QuarkOrder[1] = 1;    << 
889     } else {                                   << 
890       common.Pprojectile = Pstring2;  common.P << 
891       QuarkOrder[0] = 1; QuarkOrder[1] = 0;    << 
892     }                                          << 
893                                                << 
894     if ( common.RotateStrings ) {              << 
895       common.Pprojectile *= common.RandomRotat << 
896       common.Ptarget     *= common.RandomRotat << 
897     }                                          << 
898                                                   797 
899     common.Pprojectile.transform( common.toLab << 798       G4ThreeVector tmp = Quark_Mom[0] + Quark_Mom[2];
900     common.Ptarget.transform( common.toLab );  << 799       G4LorentzVector Pstring1( tmp, std::sqrt( Quark_Mom[0].mag2() + MassQ2 ) +
901                                                << 800                                      std::sqrt( Quark_Mom[2].mag2() + MassQ2 ) );
902     G4LorentzVector Quark_4Mom[4];             << 801       G4double Ystring1 = Pstring1.rapidity();
903     for ( G4int i = 0; i < 4; ++i ) {          << 802 
904       Quark_4Mom[i] = G4LorentzVector( Quark_M << 803       //G4cout << "Mom 1 string " << G4endl << Quark_Mom[0] << G4endl << Quark_Mom[2] << G4endl
905       if ( common.RotateStrings ) Quark_4Mom[i << 804       //       << tmp << " " << tmp.mag() << G4endl;
906       Quark_4Mom[i].transform( common.toLab ); << 805       //G4cout << "1 str " << Pstring1 << " " << Pstring1.mag() << " " << Ystring1 << G4endl;
907     }                                          << 806 
                                                   >> 807       tmp = Quark_Mom[1] + Quark_Mom[3];
                                                   >> 808       G4LorentzVector Pstring2( tmp, std::sqrt( Quark_Mom[1].mag2() + MassQ2 ) +
                                                   >> 809                                      std::sqrt( Quark_Mom[3].mag2() + MassQ2 ) );
                                                   >> 810       G4double Ystring2 = Pstring2.rapidity();
                                                   >> 811 
                                                   >> 812       //G4cout << "Mom 2 string " << G4endl <<Quark_Mom[1] << G4endl << Quark_Mom[3] << G4endl
                                                   >> 813       //       << tmp << " " << tmp.mag() << G4endl;
                                                   >> 814       //G4cout << "2 str " << Pstring2 << " " << Pstring2.mag() << " " << Ystring2 << G4endl;
                                                   >> 815 
                                                   >> 816       if ( Ystring1 > Ystring2 ) {
                                                   >> 817         Pprojectile = Pstring1;
                                                   >> 818         Ptarget     = Pstring2;
                                                   >> 819       } else {
                                                   >> 820         Pprojectile = Pstring2;
                                                   >> 821         Ptarget     = Pstring1;
                                                   >> 822       }
908                                                   823 
909     projectile->Splitting();                   << 824       //G4cout << "SumP CMS " << Pprojectile + Ptarget << " " << SqrtS << G4endl;
910     projectile->GetNextAntiParton()->Set4Momen << 825       Pprojectile.transform( toLab );
911     projectile->GetNextParton()->Set4Momentum( << 826       Ptarget.transform( toLab );
912                                                << 827       //G4cout << " SumP Lab " << Pprojectile + Ptarget << " " << SqrtS << G4endl;
913     target->Splitting();                       << 828 
914     target->GetNextParton()->Set4Momentum( Qua << 829       // Calculation of the creation time
915     target->GetNextAntiParton()->Set4Momentum( << 830       projectile->SetTimeOfCreation( target->GetTimeOfCreation() );
                                                   >> 831       projectile->SetPosition( target->GetPosition() );
                                                   >> 832       // Creation time and position of target nucleon were determined in
                                                   >> 833       // ReggeonCascade() of G4FTFModel
                                                   >> 834       //G4cout << "Mproj " << Pprojectile.mag() << G4endl << "Mtarg " << Ptarget.mag() << G4endl;
                                                   >> 835       projectile->Set4Momentum( Pprojectile );
                                                   >> 836       target->Set4Momentum( Ptarget );
                                                   >> 837       projectile->IncrementCollisionCount( 1 );
                                                   >> 838       target->IncrementCollisionCount( 1 );
916                                                   839 
917     // Calculation of the creation time        << 840       return true;
918     // Creation time and position of target nu << 
919     projectile->SetTimeOfCreation( target->Get << 
920     projectile->SetPosition( target->GetPositi << 
921     projectile->Set4Momentum( common.Pprojecti << 
922     target->Set4Momentum( common.Ptarget );    << 
923                                                << 
924     projectile->IncrementCollisionCount( 1 );  << 
925     target->IncrementCollisionCount( 1 );      << 
926                                                   841 
927     return 0;  // Completed successfully: noth << 842     } // End of if ( CandidatsN != 0 )
928   }  // End of if ( CandidatsN != 0 )          << 
929                                                   843 
930   return 1;  // Successfully ended, but the wo << 844   } // End of if ( Ksi < ( X_a + X_b + X_c ) / Xannihilation )
931 }                                              << 
932                                                   845 
                                                   >> 846   // Simulation of anti-quark-quark string creation
933                                                   847 
934 //-------------------------------------------- << 848   if ( Ksi < ( X_a + X_b + X_c + X_d ) / Xannihilation ) {
935                                                   849 
936 G4bool G4FTFAnnihilation::                     << 850     #ifdef debugFTFannih 
937 Create1QuarkAntiQuarkString( G4VSplitableHadro << 851     G4cout << "Process d, only 1 quark - anti-quark string" << G4endl;
938                              G4VSplitableHadro << 852     #endif
939                              G4FTFParameters*  << 
940                              G4FTFAnnihilation << 
941   // Simulation of anti-quark - quark string c << 
942                                                   853 
943   #ifdef debugFTFannih                         << 854     G4int CandidatsN( 0 ), CandAQ[9], CandQ[9];
944   G4cout << "Process d, only 1 quark - anti-qu << 855     G4int LeftAQ( 0 ), LeftQ( 0 );
945   #endif                                       << 
946                                                   856 
947   // Determine the set of candidates anti-quar << 857     for ( G4int iAQ1 = 0; iAQ1 < 3; iAQ1++ ) {
948   // Here "0", "1", "2" means, respectively, " << 858       for ( G4int iAQ2 = 0; iAQ2 < 3; iAQ2++ ) {
949   // of the (anti-baryon) projectile or (nucle << 859         if ( iAQ1 != iAQ2 ) {
950   G4int CandidatsN = 0, CandAQ[36], CandQ[36]; << 860           for ( G4int iQ1 = 0; iQ1 < 3; iQ1++ ) {
951   G4int LeftAQ = 0, LeftQ = 0;                 << 861             for ( G4int iQ2 = 0; iQ2 < 3; iQ2++ ) {
952   for ( G4int iAQ1 = 0; iAQ1 < 3; ++iAQ1 ) {   << 862               if ( iQ1 != iQ2 ) {
953     for ( G4int iAQ2 = 0; iAQ2 < 3; ++iAQ2 ) { << 863                 if ( -AQ[iAQ1] == Q[iQ1]  &&  -AQ[iAQ2] == Q[iQ2] ) {
954       if ( iAQ1 != iAQ2 ) {                    << 864                   if ( iAQ1 == 0  &&  iAQ2 == 1 ) { CandAQ[CandidatsN] = 2; }
955         for ( G4int iQ1 = 0; iQ1 < 3; ++iQ1 )  << 865                   if ( iAQ1 == 1  &&  iAQ2 == 0 ) { CandAQ[CandidatsN] = 2; }
956           for ( G4int iQ2 = 0; iQ2 < 3; ++iQ2  << 866 
957             if ( iQ1 != iQ2 ) {                << 867                   if ( iAQ1 == 0  &&  iAQ2 == 2 ) { CandAQ[CandidatsN] = 1; }
958               if ( -common.AQ[iAQ1] == common. << 868                   if ( iAQ1 == 2  &&  iAQ2 == 0 ) { CandAQ[CandidatsN] = 1; }
959                 if        ( ( iAQ1 == 0  &&  i << 869 
960                   CandAQ[CandidatsN] = 2;      << 870                   if ( iAQ1 == 1  &&  iAQ2 == 2 ) { CandAQ[CandidatsN] = 0; }
961                 } else if ( ( iAQ1 == 0  &&  i << 871                   if ( iAQ1 == 2  &&  iAQ2 == 1 ) { CandAQ[CandidatsN] = 0; }
962                   CandAQ[CandidatsN] = 1;      << 872 
963                 } else if ( ( iAQ1 == 1  &&  i << 873                   if ( iQ1 == 0   &&   iQ2 == 1 ) { CandQ[CandidatsN]  = 2; }
964                   CandAQ[CandidatsN] = 0;      << 874                   if ( iQ1 == 1   &&   iQ2 == 0 ) { CandQ[CandidatsN]  = 2; }
965                 }                              << 875 
966                 if        ( ( iQ1 == 0   &&    << 876                   if ( iQ1 == 0   &&   iQ2 == 2 ) { CandQ[CandidatsN]  = 1; }
967                   CandQ[CandidatsN]  = 2;      << 877                   if ( iQ1 == 2   &&   iQ2 == 0 ) { CandQ[CandidatsN]  = 1; }
968                 } else if ( ( iQ1 == 0   &&    << 878 
969                   CandQ[CandidatsN]  = 1;      << 879                   if ( iQ1 == 1   &&   iQ2 == 2 ) { CandQ[CandidatsN]  = 0; }
970                 } else if ( ( iQ1 == 1   &&    << 880                   if ( iQ1 == 2   &&   iQ2 == 1 ) { CandQ[CandidatsN]  = 0; }
971                   CandQ[CandidatsN]  = 0;      << 881                   CandidatsN++;
972                 }                                 882                 }
973                 ++CandidatsN;                  << 
974               }                                   883               }
975             }                                     884             }
976           }                                       885           }
977         }                                         886         }
978       }                                           887       }
979     }                                             888     }
980   }                                            << 
981                                                << 
982   if ( CandidatsN != 0 ) {                     << 
983     G4int SampledCase = (G4int)G4RandFlat::sho << 
984     LeftAQ = common.AQ[ CandAQ[SampledCase] ]; << 
985     LeftQ  =  common.Q[ CandQ[SampledCase] ];  << 
986                                                << 
987     // Set the string properties               << 
988     projectile->SetFirstParton( LeftQ );       << 
989     projectile->SetSecondParton( LeftAQ );     << 
990     projectile->SetStatus( 0 );                << 
991     G4int aAQ = std::abs( LeftAQ ), aQ = std:: << 
992     G4int NewCode = 0;                         << 
993     G4double aKsi = G4UniformRand();           << 
994     // The string can have the quantum number  << 
995     // of the PDG code is, respectively, 1 and << 
996     if ( aAQ == aQ ) {                         << 
997       if ( aAQ != 3 ) {                        << 
998         NewCode = 111;          // Pi0-meson   << 
999         if ( aKsi < 0.5 ) {                    << 
1000           NewCode = 221;        // Eta -meson << 
1001           if ( aKsi < 0.25 ) {                << 
1002             NewCode = 331;      // Eta'-meson << 
1003           }                                   << 
1004         }                                     << 
1005       } else {                                << 
1006         NewCode = 221;          // Eta -meson << 
1007         if ( aKsi < 0.5 ) {                   << 
1008           NewCode = 331;        // Eta'-meson << 
1009         }                                     << 
1010       }                                       << 
1011     } else {                                  << 
1012       if ( aAQ > aQ ) {                       << 
1013         NewCode = aAQ*100 + aQ*10 + 1; NewCod << 
1014       } else {                                << 
1015         NewCode = aQ*100 + aAQ*10 + 1; NewCod << 
1016       }                                       << 
1017     }                                         << 
1018                                               << 
1019     G4ParticleDefinition* TestParticle = G4Pa << 
1020     if ( ! TestParticle ) return false;       << 
1021     projectile->SetDefinition( TestParticle ) << 
1022     theParameters->SetProjMinDiffMass( 0.5 ); << 
1023     theParameters->SetProjMinNonDiffMass( 0.5 << 
1024                                               << 
1025     target->SetStatus( 4 );  // The target nu << 
1026     common.Pprojectile.setPx( 0.0 );          << 
1027     common.Pprojectile.setPy( 0.0 );          << 
1028     common.Pprojectile.setPz( 0.0 );          << 
1029     common.Pprojectile.setE( common.SqrtS );  << 
1030                                               << 
1031     common.Pprojectile.transform( common.toLa << 
1032                                                  889 
1033     G4LorentzVector Pquark  = G4LorentzVector << 890     if ( CandidatsN != 0 ) {
1034     G4LorentzVector Paquark = G4LorentzVector << 891       G4int SampledCase = G4RandFlat::shootInt( G4long( CandidatsN ) );
1035                                               << 892       LeftAQ = AQ[ CandAQ[SampledCase] ];
1036     if ( common.RotateStrings ) {             << 893       LeftQ  =  Q[ CandQ[SampledCase] ];
1037       Pquark *= common.RandomRotation; Paquar << 894       //G4cout << "Left Aq Q " << LeftAQ << " " << LeftQ << G4endl;
1038     }                                         << 895 
1039     Pquark.transform(common.toLab);  projecti << 896       // Set the string properties
1040     Paquark.transform(common.toLab); projecti << 897       projectile->SplitUp();
1041                                               << 898       //projectile->SetFirstParton( LeftAQ );
1042     projectile->Splitting();                  << 899       //projectile->SetSecondParton( LeftQ );
                                                   >> 900       projectile->SetFirstParton( LeftQ );
                                                   >> 901       projectile->SetSecondParton( LeftAQ );
                                                   >> 902       projectile->SetStatus( 0 );
                                                   >> 903       target->SetStatus( 3 );  // The target nucleon has annihilated
                                                   >> 904       Pprojectile.setPx( 0.0 );  // VU Mar1
                                                   >> 905       Pprojectile.setPy( 0.0 );  // Vu Mar1
                                                   >> 906       Pprojectile.setPz( 0.0 );
                                                   >> 907       Pprojectile.setE( SqrtS );
                                                   >> 908       Pprojectile.transform( toLab );
                                                   >> 909 
                                                   >> 910       // Calculation of the creation time
                                                   >> 911       projectile->SetTimeOfCreation( target->GetTimeOfCreation() );
                                                   >> 912       projectile->SetPosition( target->GetPosition() );
                                                   >> 913       // Creation time and position of target nucleon were determined in
                                                   >> 914       // ReggeonCascade() of G4FTFModel
1043                                                  915 
1044     // Calculation of the creation time       << 916       //G4cout << "Mproj " << Pprojectile.mag() << G4endl << "Mtarg " << Ptarget.mag() << G4endl;
1045     // Creation time and position of target n << 917       projectile->Set4Momentum( Pprojectile );
1046     projectile->SetTimeOfCreation( target->Ge << 
1047     projectile->SetPosition( target->GetPosit << 
1048     projectile->Set4Momentum( common.Pproject << 
1049                                                  918 
1050     projectile->IncrementCollisionCount( 1 ); << 919       projectile->IncrementCollisionCount( 1 );
1051     target->IncrementCollisionCount( 1 );     << 920       target->IncrementCollisionCount( 1 );
                                                   >> 921       return true;
                                                   >> 922     }
1052                                                  923 
1053     return true;                              << 924   }  // End of if ( Ksi < ( X_a + X_b + X_c + X_d ) / Xannihilation )
1054   }  // End of if ( CandidatsN != 0 )         << 
1055                                                  925 
                                                   >> 926   //G4cout << "Pr Y " << Pprojectile.rapidity() << " Tr Y " << Ptarget.rapidity() << G4endl;
1056   return true;                                   927   return true;
1057 }                                                928 }
1058                                                  929 
1059                                                  930 
1060 //===========================================    931 //============================================================================
1061                                                  932 
1062 G4double G4FTFAnnihilation::ChooseX( G4double    933 G4double G4FTFAnnihilation::ChooseX( G4double /* Alpha */, G4double /* Beta */ ) const {
1063   // If for sampling Xs other values of Alfa     934   // If for sampling Xs other values of Alfa and Beta instead of 0.5 will be
1064   // chosen the method will be implemented       935   // chosen the method will be implemented
1065   //G4double tmp = Alpha*Beta;                   936   //G4double tmp = Alpha*Beta;
1066   //tmp *= 1.0;                                  937   //tmp *= 1.0;
1067   return 0.5;                                    938   return 0.5;
1068 }                                                939 }
1069                                                  940 
1070                                                  941 
                                                   >> 942 
1071 //===========================================    943 //============================================================================
1072                                                  944 
1073 G4ThreeVector G4FTFAnnihilation::GaussianPt(     945 G4ThreeVector G4FTFAnnihilation::GaussianPt( G4double AveragePt2, G4double maxPtSquare ) const {
1074   //  @@ this method is used in FTFModel as w    946   //  @@ this method is used in FTFModel as well. Should go somewhere common!
1075   G4double Pt2 = 0.0;                         << 947   G4double Pt2( 0.0 );
1076   if ( AveragePt2 <= 0.0 ) {                     948   if ( AveragePt2 <= 0.0 ) {
1077     Pt2 = 0.0;                                   949     Pt2 = 0.0;
1078   } else {                                       950   } else {
1079     Pt2 = -AveragePt2 * G4Log( 1.0 + G4Unifor << 951     Pt2 = -AveragePt2 * std::log( 1.0 + G4UniformRand() * 
1080                                         ( G4E << 952                                         ( std::exp( -maxPtSquare/AveragePt2 ) -1.0 ) );
1081   }                                              953   }
1082   G4double Pt = std::sqrt( Pt2 );                954   G4double Pt = std::sqrt( Pt2 );
1083   G4double phi = G4UniformRand() * twopi;        955   G4double phi = G4UniformRand() * twopi;
1084   return G4ThreeVector ( Pt*std::cos( phi ),     956   return G4ThreeVector ( Pt*std::cos( phi ), Pt*std::sin( phi ), 0.0 );
1085 }                                                957 }
1086                                                  958 
1087                                                  959 
1088 //===========================================    960 //============================================================================
1089                                                  961 
1090 void G4FTFAnnihilation::UnpackBaryon( G4int I    962 void G4FTFAnnihilation::UnpackBaryon( G4int IdPDG, G4int& Q1, G4int& Q2, G4int& Q3 ) const {
1091   G4int AbsId = std::abs( IdPDG );               963   G4int AbsId = std::abs( IdPDG );
1092   Q1 =   AbsId          / 1000;                  964   Q1 =   AbsId          / 1000;
1093   Q2 = ( AbsId % 1000 ) / 100;                   965   Q2 = ( AbsId % 1000 ) / 100;
1094   Q3 = ( AbsId % 100 )  / 10;                    966   Q3 = ( AbsId % 100 )  / 10;     
1095   if ( IdPDG < 0 ) { Q1 = -Q1; Q2 = -Q2; Q3 =    967   if ( IdPDG < 0 ) { Q1 = -Q1; Q2 = -Q2; Q3 = -Q3; }  // Anti-baryon     
1096   return;                                        968   return;
1097 }                                                969 }
1098                                                  970 
1099                                                  971 
1100 //===========================================    972 //============================================================================
1101                                                  973 
1102 G4FTFAnnihilation::G4FTFAnnihilation( const G    974 G4FTFAnnihilation::G4FTFAnnihilation( const G4FTFAnnihilation& ) {
1103   throw G4HadronicException( __FILE__, __LINE    975   throw G4HadronicException( __FILE__, __LINE__, 
1104                              "G4FTFAnnihilati << 976                              "G4FTFAnnihilation copy contructor not meant to be called" );
1105 }                                                977 }
1106                                                  978 
1107                                                  979 
1108 //===========================================    980 //============================================================================
1109                                                  981 
1110 const G4FTFAnnihilation & G4FTFAnnihilation::    982 const G4FTFAnnihilation & G4FTFAnnihilation::operator=( const G4FTFAnnihilation& ) {
1111   throw G4HadronicException( __FILE__, __LINE    983   throw G4HadronicException( __FILE__, __LINE__, 
1112                              "G4FTFAnnihilati    984                              "G4FTFAnnihilation = operator not meant to be called" ); 
1113 }                                                985 }
1114                                                  986 
1115                                                  987 
1116 //===========================================    988 //============================================================================
1117                                                  989 
1118 G4bool G4FTFAnnihilation::operator==( const G << 990 int G4FTFAnnihilation::operator==( const G4FTFAnnihilation& ) const {
1119   throw G4HadronicException( __FILE__, __LINE    991   throw G4HadronicException( __FILE__, __LINE__, 
1120                              "G4FTFAnnihilati    992                              "G4FTFAnnihilation == operator not meant to be called" );
1121 }                                                993 }
1122                                                  994 
1123                                                  995 
1124 //===========================================    996 //============================================================================
1125                                                  997 
1126 G4bool G4FTFAnnihilation::operator!=( const G << 998 int G4FTFAnnihilation::operator!=( const G4FTFAnnihilation& ) const {
1127   throw G4HadronicException( __FILE__, __LINE    999   throw G4HadronicException( __FILE__, __LINE__, 
1128                              "G4DiffractiveEx    1000                              "G4DiffractiveExcitation != operator not meant to be called" );
1129 }                                                1001 }
1130                                                  1002