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26 // 26 //
>> 27 // $Id: G4FTFAnnihilation.cc 81880 2014-06-06 12:50:36Z 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[36], CandQ[36];
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