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25 // 25 //
26 // 26 //
27 // 27 //
28 // ------------------------------------------- 28 // -----------------------------------------------------------------------------
29 // GEANT 4 class implementation file 29 // GEANT 4 class implementation file
30 // 30 //
31 // History: first implementation, Maxim K 31 // History: first implementation, Maxim Komogorov, 1-Jul-1998
32 // redesign Gunter Folger, Augu 32 // redesign Gunter Folger, August/September 2001
33 // ------------------------------------------- 33 // -----------------------------------------------------------------------------
34 #include "G4VLongitudinalStringDecay.hh" 34 #include "G4VLongitudinalStringDecay.hh"
35 #include "G4PhysicalConstants.hh" 35 #include "G4PhysicalConstants.hh"
36 #include "G4SystemOfUnits.hh" 36 #include "G4SystemOfUnits.hh"
37 #include "G4ios.hh" 37 #include "G4ios.hh"
38 #include "Randomize.hh" 38 #include "Randomize.hh"
39 #include "G4FragmentingString.hh" 39 #include "G4FragmentingString.hh"
40 40
41 #include "G4ParticleDefinition.hh" 41 #include "G4ParticleDefinition.hh"
42 #include "G4ParticleTypes.hh" 42 #include "G4ParticleTypes.hh"
43 #include "G4ParticleChange.hh" 43 #include "G4ParticleChange.hh"
44 #include "G4VShortLivedParticle.hh" 44 #include "G4VShortLivedParticle.hh"
45 #include "G4ShortLivedConstructor.hh" 45 #include "G4ShortLivedConstructor.hh"
46 #include "G4ParticleTable.hh" 46 #include "G4ParticleTable.hh"
47 #include "G4PhaseSpaceDecayChannel.hh" 47 #include "G4PhaseSpaceDecayChannel.hh"
48 #include "G4VDecayChannel.hh" 48 #include "G4VDecayChannel.hh"
49 #include "G4DecayTable.hh" 49 #include "G4DecayTable.hh"
50 50
51 #include "G4DiQuarks.hh" 51 #include "G4DiQuarks.hh"
52 #include "G4Quarks.hh" 52 #include "G4Quarks.hh"
53 #include "G4Gluons.hh" 53 #include "G4Gluons.hh"
54 54
55 #include "G4Exp.hh" 55 #include "G4Exp.hh"
56 #include "G4Log.hh" 56 #include "G4Log.hh"
57 57
58 #include "G4HadronicException.hh" 58 #include "G4HadronicException.hh"
59 59
60 //------------------------debug switches 60 //------------------------debug switches
61 //#define debug_VStringDecay 61 //#define debug_VStringDecay
62 //#define debug_heavyHadrons 62 //#define debug_heavyHadrons
63 63
64 //******************************************** 64 //******************************************************************************
65 // Constructors 65 // Constructors
66 66
67 G4VLongitudinalStringDecay::G4VLongitudinalStr 67 G4VLongitudinalStringDecay::G4VLongitudinalStringDecay(const G4String& name)
68 : G4HadronicInteraction(name), ProbCCbar(0.0 68 : G4HadronicInteraction(name), ProbCCbar(0.0), ProbBBbar(0.0)
69 { 69 {
70 MassCut = 210.0*MeV; // Mpi + Delta 70 MassCut = 210.0*MeV; // Mpi + Delta
71 71
72 StringLoopInterrupt = 1000; 72 StringLoopInterrupt = 1000;
73 ClusterLoopInterrupt = 500; 73 ClusterLoopInterrupt = 500;
74 74
75 // Changable Parameters below. 75 // Changable Parameters below.
76 SigmaQT = 0.5 * GeV; 76 SigmaQT = 0.5 * GeV;
77 77
78 StrangeSuppress = 0.44; // =0.27/2.27 s 78 StrangeSuppress = 0.44; // =0.27/2.27 suppression of strange quark pair production, ie. u:d:s=1:1:0.27
79 DiquarkSuppress = 0.07; // Probability 79 DiquarkSuppress = 0.07; // Probability of qq-qqbar pair production
80 DiquarkBreakProb = 0.1; // Probability 80 DiquarkBreakProb = 0.1; // Probability of (qq)->h+(qq)'
81 81
82 //... pspin_meson is probability to create 82 //... pspin_meson is probability to create pseudo-scalar meson
83 pspin_meson.resize(3); << 83 pspin_meson = 0.5;
84 pspin_meson[0] = 0.5; // u or d + anti-u o << 84
85 pspin_meson[1] = 0.4; // one of the quark <<
86 pspin_meson[2] = 0.3; // both of the quark <<
87 <<
88 //... pspin_barion is probability to create 85 //... pspin_barion is probability to create 1/2 barion
89 pspin_barion = 0.5; 86 pspin_barion = 0.5;
90 87
91 //... vectorMesonMix[] is quark mixing para 88 //... vectorMesonMix[] is quark mixing parameters for vector mesons (Variable spin = 3)
92 vectorMesonMix.resize(6); 89 vectorMesonMix.resize(6);
93 vectorMesonMix[0] = 0.0; 90 vectorMesonMix[0] = 0.0;
94 vectorMesonMix[1] = 0.5; << 91 vectorMesonMix[1] = 0.375;
95 vectorMesonMix[2] = 0.0; 92 vectorMesonMix[2] = 0.0;
96 vectorMesonMix[3] = 0.5; << 93 vectorMesonMix[3] = 0.375;
97 vectorMesonMix[4] = 1.0; 94 vectorMesonMix[4] = 1.0;
98 vectorMesonMix[5] = 1.0; 95 vectorMesonMix[5] = 1.0;
99 96
100 //... scalarMesonMix[] is quark mixing para 97 //... scalarMesonMix[] is quark mixing parameters for scalar mesons (Variable spin=1)
101 scalarMesonMix.resize(6); 98 scalarMesonMix.resize(6);
102 scalarMesonMix[0] = 0.5; 99 scalarMesonMix[0] = 0.5;
103 scalarMesonMix[1] = 0.25; 100 scalarMesonMix[1] = 0.25;
104 scalarMesonMix[2] = 0.5; 101 scalarMesonMix[2] = 0.5;
105 scalarMesonMix[3] = 0.25; 102 scalarMesonMix[3] = 0.25;
106 scalarMesonMix[4] = 1.0; 103 scalarMesonMix[4] = 1.0;
107 scalarMesonMix[5] = 0.5; 104 scalarMesonMix[5] = 0.5;
108 105
109 SetProbCCbar(0.0); // Probability of CCbar 106 SetProbCCbar(0.0); // Probability of CCbar pair creation
110 SetProbEta_c(0.1); // Mixing of Eta_c and 107 SetProbEta_c(0.1); // Mixing of Eta_c and J/Psi
111 SetProbBBbar(0.0); // Probability of BBbar 108 SetProbBBbar(0.0); // Probability of BBbar pair creation
112 SetProbEta_b(0.0); // Mixing of Eta_b and 109 SetProbEta_b(0.0); // Mixing of Eta_b and Upsilon_b
113 110
114 // Parameters may be changed until the firs 111 // Parameters may be changed until the first fragmentation starts
115 PastInitPhase=false; 112 PastInitPhase=false;
116 hadronizer = new G4HadronBuilder( pspin_mes << 113 hadronizer = new G4HadronBuilder(pspin_meson,pspin_barion,
117 ProbEta_c << 114 scalarMesonMix,vectorMesonMix,
>> 115 ProbEta_c, ProbEta_b);
118 116
119 MaxMass=-350.0*GeV; // If there will be a 117 MaxMass=-350.0*GeV; // If there will be a particle with mass larger than Higgs the value must be changed.
120 118
121 SetMinMasses(); // Re-calculation of minim 119 SetMinMasses(); // Re-calculation of minimal mass of strings and weights of particles in 2-part. decays
122 120
123 Kappa = 1.0 * GeV/fermi; 121 Kappa = 1.0 * GeV/fermi;
124 DecayQuark = NewQuark = 0; 122 DecayQuark = NewQuark = 0;
125 } 123 }
126 124
127 G4VLongitudinalStringDecay::~G4VLongitudinalSt 125 G4VLongitudinalStringDecay::~G4VLongitudinalStringDecay()
128 { 126 {
129 delete hadronizer; 127 delete hadronizer;
130 } 128 }
131 129
132 G4HadFinalState* 130 G4HadFinalState*
133 G4VLongitudinalStringDecay::ApplyYourself(cons 131 G4VLongitudinalStringDecay::ApplyYourself(const G4HadProjectile&, G4Nucleus&)
134 { 132 {
135 return nullptr; 133 return nullptr;
136 } 134 }
137 135
138 //============================================ 136 //=============================================================================
139 137
140 // For changing Mass Cut used for selection of 138 // For changing Mass Cut used for selection of very small mass strings
141 void G4VLongitudinalStringDecay::SetMassCut(G4 139 void G4VLongitudinalStringDecay::SetMassCut(G4double aValue){ MassCut=aValue; }
142 G4double G4VLongitudinalStringDecay::GetMassCu 140 G4double G4VLongitudinalStringDecay::GetMassCut() { return MassCut; }
143 141
144 //-------------------------------------------- 142 //-----------------------------------------------------------------------------
145 143
146 // For handling a string with very low mass 144 // For handling a string with very low mass
147 145
148 G4KineticTrackVector* G4VLongitudinalStringDec 146 G4KineticTrackVector* G4VLongitudinalStringDecay::ProduceOneHadron(const G4ExcitedString * const string)
149 { 147 {
150 G4KineticTrackVector* result = nullptr 148 G4KineticTrackVector* result = nullptr;
151 pDefPair hadrons( nullptr, nullptr ); 149 pDefPair hadrons( nullptr, nullptr );
152 G4FragmentingString aString( *string ) 150 G4FragmentingString aString( *string );
153 151
154 #ifdef debug_VStringDecay 152 #ifdef debug_VStringDecay
155 G4cout<<"G4VLongitudinalStringDecay::P 153 G4cout<<"G4VLongitudinalStringDecay::ProduceOneHadron: PossibleHmass StrMass "
156 <<aString.Mass()<<" MassCut "<<M 154 <<aString.Mass()<<" MassCut "<<MassCut<<G4endl;
157 #endif 155 #endif
158 156
159 SetMinimalStringMass( &aString ); 157 SetMinimalStringMass( &aString );
160 PossibleHadronMass( &aString, 0, &hadr 158 PossibleHadronMass( &aString, 0, &hadrons );
161 result = new G4KineticTrackVector; 159 result = new G4KineticTrackVector;
162 if ( hadrons.first != nullptr ) { 160 if ( hadrons.first != nullptr ) {
163 if ( hadrons.second == nullptr ) { 161 if ( hadrons.second == nullptr ) {
164 // Substitute string by light h 162 // Substitute string by light hadron, Note that Energy is not conserved here!
165 163
166 #ifdef debug_VStringDecay 164 #ifdef debug_VStringDecay
167 G4cout << "VlongSD Warning repl 165 G4cout << "VlongSD Warning replacing string by single hadron (G4VLongitudinalStringDecay)" <<G4endl;
168 G4cout << hadrons.first->GetPar 166 G4cout << hadrons.first->GetParticleName()<<G4endl
169 << "string .. " << strin 167 << "string .. " << string->Get4Momentum() << " "
170 << string->Get4Momentum( 168 << string->Get4Momentum().m() << G4endl;
171 #endif 169 #endif
172 170
173 G4ThreeVector Mom3 = string-> 171 G4ThreeVector Mom3 = string->Get4Momentum().vect();
174 G4LorentzVector Mom( Mom3, std: 172 G4LorentzVector Mom( Mom3, std::sqrt( Mom3.mag2() + sqr( hadrons.first->GetPDGMass() ) ) );
175 result->push_back( new G4Kineti 173 result->push_back( new G4KineticTrack( hadrons.first, 0, string->GetPosition(), Mom ) );
176 } else { 174 } else {
177 //... string was qq--qqbar type 175 //... string was qq--qqbar type: Build two stable hadrons,
178 176
179 #ifdef debug_VStringDecay 177 #ifdef debug_VStringDecay
180 G4cout << "VlongSD Warning repl 178 G4cout << "VlongSD Warning replacing qq-qqbar string by TWO hadrons (G4VLongitudinalStringDecay)"
181 << hadrons.first->GetPar 179 << hadrons.first->GetParticleName() << " / "
182 << hadrons.second->GetPa 180 << hadrons.second->GetParticleName()
183 << "string .. " << strin 181 << "string .. " << string->Get4Momentum() << " "
184 << string->Get4Momentum( 182 << string->Get4Momentum().m() << G4endl;
185 #endif 183 #endif
186 184
187 G4LorentzVector Mom1, Mom2; 185 G4LorentzVector Mom1, Mom2;
188 Sample4Momentum( &Mom1, hadrons 186 Sample4Momentum( &Mom1, hadrons.first->GetPDGMass(),
189 &Mom2, hadrons 187 &Mom2, hadrons.second->GetPDGMass(),
190 string->Get4Mo 188 string->Get4Momentum().mag() );
191 189
192 result->push_back( new G4Kineti 190 result->push_back( new G4KineticTrack( hadrons.first, 0, string->GetPosition(), Mom1 ) );
193 result->push_back( new G4Kineti 191 result->push_back( new G4KineticTrack( hadrons.second, 0, string->GetPosition(), Mom2 ) );
194 192
195 G4ThreeVector Velocity = string 193 G4ThreeVector Velocity = string->Get4Momentum().boostVector();
196 result->Boost(Velocity); 194 result->Boost(Velocity);
197 } 195 }
198 } 196 }
199 return result; 197 return result;
200 } 198 }
201 199
202 //-------------------------------------------- 200 //----------------------------------------------------------------------------------------
203 201
204 G4double G4VLongitudinalStringDecay::PossibleH 202 G4double G4VLongitudinalStringDecay::PossibleHadronMass( const G4FragmentingString * const string,
205 203 Pcreate build, pDefPair * pdefs )
206 { 204 {
207 G4double mass = 0.0; 205 G4double mass = 0.0;
208 206
209 if ( build==0 ) build=&G4HadronBuilder::Buil 207 if ( build==0 ) build=&G4HadronBuilder::BuildLowSpin;
210 208
211 G4ParticleDefinition* Hadron1 = nullpt 209 G4ParticleDefinition* Hadron1 = nullptr;
212 G4ParticleDefinition* Hadron2 = nullptr; 210 G4ParticleDefinition* Hadron2 = nullptr;
213 211
214 if (!string->IsAFourQuarkString() ) 212 if (!string->IsAFourQuarkString() )
215 { 213 {
216 // spin 0 meson or spin 1/2 barion 214 // spin 0 meson or spin 1/2 barion will be built
217 215
218 Hadron1 = (hadronizer->*build)(stri 216 Hadron1 = (hadronizer->*build)(string->GetLeftParton(), string->GetRightParton());
219 #ifdef debug_VStringDecay 217 #ifdef debug_VStringDecay
220 G4cout<<"VlongSD PossibleHadronMass"<<G4e 218 G4cout<<"VlongSD PossibleHadronMass"<<G4endl;
221 G4cout<<"VlongSD Quarks at the stri 219 G4cout<<"VlongSD Quarks at the string ends "<<string->GetLeftParton()->GetParticleName()
222 <<" "<<string->GetRightParton 220 <<" "<<string->GetRightParton()->GetParticleName()<<G4endl;
223 if ( Hadron1 != nullptr) { 221 if ( Hadron1 != nullptr) {
224 G4cout<<"(G4VLongitudinalStringDe 222 G4cout<<"(G4VLongitudinalStringDecay) Hadron "<<Hadron1->GetParticleName()
225 <<" "<<Hadron1->GetPDGMass( 223 <<" "<<Hadron1->GetPDGMass()<<G4endl;
226 } 224 }
227 #endif 225 #endif
228 if ( Hadron1 != nullptr) { mass = ( 226 if ( Hadron1 != nullptr) { mass = (Hadron1)->GetPDGMass();}
229 else { mass = MaxM 227 else { mass = MaxMass;}
230 } else 228 } else
231 { 229 {
232 //... string is qq--qqbar: Build tw 230 //... string is qq--qqbar: Build two stable hadrons,
233 231
234 #ifdef debug_VStringDecay 232 #ifdef debug_VStringDecay
235 G4cout<<"VlongSD PossibleHadronMass 233 G4cout<<"VlongSD PossibleHadronMass"<<G4endl;
236 G4cout<<"VlongSD string is qq--qqba 234 G4cout<<"VlongSD string is qq--qqbar: Build two stable hadrons"<<G4endl;
237 #endif 235 #endif
238 236
239 G4double StringMass = string->Mas 237 G4double StringMass = string->Mass();
240 G4int cClusterInterrupt = 0; 238 G4int cClusterInterrupt = 0;
241 do 239 do
242 { 240 {
243 if (cClusterInterrupt++ >= Cluste 241 if (cClusterInterrupt++ >= ClusterLoopInterrupt) return false;
244 242
245 G4int LeftQuark1= string->GetLeft 243 G4int LeftQuark1= string->GetLeftParton()->GetPDGEncoding()/1000;
246 G4int LeftQuark2=(string->GetLeft 244 G4int LeftQuark2=(string->GetLeftParton()->GetPDGEncoding()/100)%10;
247 245
248 G4int RightQuark1= string->GetRig 246 G4int RightQuark1= string->GetRightParton()->GetPDGEncoding()/1000;
249 G4int RightQuark2=(string->GetRig 247 G4int RightQuark2=(string->GetRightParton()->GetPDGEncoding()/100)%10;
250 248
251 if (G4UniformRand()<0.5) { 249 if (G4UniformRand()<0.5) {
252 Hadron1 =hadronizer->Build(Find 250 Hadron1 =hadronizer->Build(FindParticle(LeftQuark1), FindParticle(RightQuark1));
253 Hadron2 =hadronizer->Build(Find 251 Hadron2 =hadronizer->Build(FindParticle(LeftQuark2), FindParticle(RightQuark2));
254 } else { 252 } else {
255 Hadron1 =hadronizer->Build(Find 253 Hadron1 =hadronizer->Build(FindParticle(LeftQuark1), FindParticle(RightQuark2));
256 Hadron2 =hadronizer->Build(Find 254 Hadron2 =hadronizer->Build(FindParticle(LeftQuark2), FindParticle(RightQuark1));
257 } 255 }
258 //... repeat procedure, if mass o 256 //... repeat procedure, if mass of cluster is too low to produce hadrons
259 //... ClusterMassCut = 0.15*GeV m 257 //... ClusterMassCut = 0.15*GeV model parameter
260 } 258 }
261 while ( Hadron1 == nullptr || Hadro 259 while ( Hadron1 == nullptr || Hadron2 == nullptr ||
262 ( StringMass <= Hadron1->Ge 260 ( StringMass <= Hadron1->GetPDGMass() + Hadron2->GetPDGMass() ) );
263 261
264 mass = (Hadron1)->GetPDGMass() + (Hadron2 262 mass = (Hadron1)->GetPDGMass() + (Hadron2)->GetPDGMass();
265 } 263 }
266 264
267 #ifdef debug_VStringDecay 265 #ifdef debug_VStringDecay
268 G4cout<<"VlongSD *Hadrons 1 and 2, pro 266 G4cout<<"VlongSD *Hadrons 1 and 2, proposed mass "<<Hadron1<<" "<<Hadron2<<" "<<mass<<G4endl;
269 #endif 267 #endif
270 268
271 if ( pdefs != 0 ) 269 if ( pdefs != 0 )
272 { // need to return hadrons as well.... 270 { // need to return hadrons as well....
273 pdefs->first = Hadron1; 271 pdefs->first = Hadron1;
274 pdefs->second = Hadron2; 272 pdefs->second = Hadron2;
275 } 273 }
276 274
277 return mass; 275 return mass;
278 } 276 }
279 277
280 //-------------------------------------------- 278 //----------------------------------------------------------------------------
281 279
282 G4ParticleDefinition* G4VLongitudinalStringDec 280 G4ParticleDefinition* G4VLongitudinalStringDecay::FindParticle(G4int Encoding)
283 { 281 {
284 /* 282 /*
285 G4cout<<Encoding<<" G4VLongitudinalStringDec 283 G4cout<<Encoding<<" G4VLongitudinalStringDecay::FindParticle Check di-quarks *******************"<<G4endl;
286 for (G4int i=4; i<6;i++){ 284 for (G4int i=4; i<6;i++){
287 for (G4int j=1;j<6;j++){ 285 for (G4int j=1;j<6;j++){
288 G4cout<<i<<" "<<j<<" "; 286 G4cout<<i<<" "<<j<<" ";
289 G4int Code = 1000 * i + 100 * j +1; 287 G4int Code = 1000 * i + 100 * j +1;
290 G4ParticleDefinition* ptr1 = G4ParticleT 288 G4ParticleDefinition* ptr1 = G4ParticleTable::GetParticleTable()->FindParticle(Code);
291 Code +=2; 289 Code +=2;
292 G4ParticleDefinition* ptr2 = G4ParticleT 290 G4ParticleDefinition* ptr2 = G4ParticleTable::GetParticleTable()->FindParticle(Code);
293 G4cout<<"Code "<<Code - 2<<" ptr "<<ptr1 291 G4cout<<"Code "<<Code - 2<<" ptr "<<ptr1<<" :: Code "<<Code<<" ptr "<<ptr2<<G4endl;
294 } 292 }
295 G4cout<<G4endl; 293 G4cout<<G4endl;
296 } 294 }
297 */ 295 */
298 296
299 G4ParticleDefinition* ptr = G4ParticleTable: 297 G4ParticleDefinition* ptr = G4ParticleTable::GetParticleTable()->FindParticle(Encoding);
300 298
301 if (ptr == nullptr) 299 if (ptr == nullptr)
302 { 300 {
303 for (size_t i=0; i < NewParticles.size(); 301 for (size_t i=0; i < NewParticles.size(); i++)
304 { 302 {
305 if ( Encoding == NewParticles[i]->GetPD 303 if ( Encoding == NewParticles[i]->GetPDGEncoding() ) { ptr = NewParticles[i]; return ptr;}
306 } 304 }
307 } 305 }
308 306
309 return ptr; 307 return ptr;
310 } 308 }
311 309
312 //******************************************** 310 //*********************************************************************************
313 // For decision on continue or stop string f 311 // For decision on continue or stop string fragmentation
314 // virtual G4bool StopFragmenting(const G4Fr 312 // virtual G4bool StopFragmenting(const G4FragmentingString * const string)=0;
315 // virtual G4bool IsItFragmentable(const G4F 313 // virtual G4bool IsItFragmentable(const G4FragmentingString * const string)=0;
316 // 314 //
317 // If a string can not fragment, make last b 315 // If a string can not fragment, make last break into 2 hadrons
318 // virtual G4bool SplitLast(G4FragmentingStr 316 // virtual G4bool SplitLast(G4FragmentingString * string,
319 // G4KineticTrackVe 317 // G4KineticTrackVector * LeftVector,
320 // G4KineticTrackVe 318 // G4KineticTrackVector * RightVector)=0;
321 //-------------------------------------------- 319 //-----------------------------------------------------------------------------
322 // 320 //
323 // If a string can fragment, do the followin 321 // If a string can fragment, do the following
324 // 322 //
325 // For transver of a string to its CMS frame 323 // For transver of a string to its CMS frame
326 //-------------------------------------------- 324 //-----------------------------------------------------------------------------
327 325
328 G4ExcitedString *G4VLongitudinalStringDecay::C 326 G4ExcitedString *G4VLongitudinalStringDecay::CopyExcited(const G4ExcitedString & in)
329 { 327 {
330 G4Parton *Left=new G4Parton(*in.GetLeftParto 328 G4Parton *Left=new G4Parton(*in.GetLeftParton());
331 G4Parton *Right=new G4Parton(*in.GetRightPar 329 G4Parton *Right=new G4Parton(*in.GetRightParton());
332 return new G4ExcitedString(Left,Right,in.Get 330 return new G4ExcitedString(Left,Right,in.GetDirection());
333 } 331 }
334 332
335 //-------------------------------------------- 333 //-----------------------------------------------------------------------------
336 334
337 G4ParticleDefinition * G4VLongitudinalStringDe 335 G4ParticleDefinition * G4VLongitudinalStringDecay::QuarkSplitup( G4ParticleDefinition* decay,
338 336 G4ParticleDefinition *&created )
339 { 337 {
340 #ifdef debug_VStringDecay 338 #ifdef debug_VStringDecay
341 G4cout<<"VlongSD QuarkSplitup: quark ID "<< 339 G4cout<<"VlongSD QuarkSplitup: quark ID "<<decay->GetPDGEncoding()<<G4endl;
342 #endif 340 #endif
343 341
344 G4int IsParticle=(decay->GetPDGEncoding()>0 342 G4int IsParticle=(decay->GetPDGEncoding()>0) ? -1 : +1; // if we have a quark, we need antiquark (or diquark)
345 343
346 pDefPair QuarkPair = CreatePartonPair(IsPar 344 pDefPair QuarkPair = CreatePartonPair(IsParticle);
347 created = QuarkPair.second; 345 created = QuarkPair.second;
348 346
349 DecayQuark = decay->GetPDGEncoding(); 347 DecayQuark = decay->GetPDGEncoding();
350 NewQuark = created->GetPDGEncoding(); 348 NewQuark = created->GetPDGEncoding();
351 349
352 #ifdef debug_VStringDecay 350 #ifdef debug_VStringDecay
353 G4cout<<"VlongSD QuarkSplitup: "<<decay->Ge 351 G4cout<<"VlongSD QuarkSplitup: "<<decay->GetPDGEncoding()<<" -> "<<QuarkPair.second->GetPDGEncoding()<<G4endl;
354 G4cout<<"hadronizer->Build(QuarkPair.first, 352 G4cout<<"hadronizer->Build(QuarkPair.first, decay)"<<G4endl;
355 #endif 353 #endif
356 354
357 return hadronizer->Build(QuarkPair.first, d 355 return hadronizer->Build(QuarkPair.first, decay);
358 } 356 }
359 357
360 //-------------------------------------------- 358 //-----------------------------------------------------------------------------
361 359
362 G4VLongitudinalStringDecay::pDefPair G4VLongit 360 G4VLongitudinalStringDecay::pDefPair G4VLongitudinalStringDecay::
363 CreatePartonPair(G4int NeedParticle,G4bool All 361 CreatePartonPair(G4int NeedParticle,G4bool AllowDiquarks)
364 { 362 {
365 // NeedParticle = +1 for Particle, -1 for 363 // NeedParticle = +1 for Particle, -1 for Antiparticle
366 if ( AllowDiquarks && G4UniformRand() < Di 364 if ( AllowDiquarks && G4UniformRand() < DiquarkSuppress )
367 { 365 {
368 // Create a Diquark - AntiDiquark pair , 366 // Create a Diquark - AntiDiquark pair , first in pair is anti to IsParticle
369 #ifdef debug_VStringDecay 367 #ifdef debug_VStringDecay
370 G4cout<<"VlongSD Create a Diquark - Anti 368 G4cout<<"VlongSD Create a Diquark - AntiDiquark pair"<<G4endl;
371 #endif 369 #endif
372 G4int q1(0), q2(0), spin(0), PDGcode(0); 370 G4int q1(0), q2(0), spin(0), PDGcode(0);
373 371
374 q1 = SampleQuarkFlavor(); 372 q1 = SampleQuarkFlavor();
375 q2 = SampleQuarkFlavor(); 373 q2 = SampleQuarkFlavor();
376 374
377 spin = (q1 != q2 && G4UniformRand() <= 0 375 spin = (q1 != q2 && G4UniformRand() <= 0.5)? 1 : 3;
378 // conv 376 // convention: quark with higher PDG number is first
379 PDGcode = (std::max(q1,q2) * 1000 + std: 377 PDGcode = (std::max(q1,q2) * 1000 + std::min(q1,q2) * 100 + spin) * NeedParticle;
380 378
381 return pDefPair (FindParticle(-PDGcode), 379 return pDefPair (FindParticle(-PDGcode),FindParticle(PDGcode));
382 380
383 } else { 381 } else {
384 // Create a Quark - AntiQuark pair, firs 382 // Create a Quark - AntiQuark pair, first in pair IsParticle
385 #ifdef debug_VStringDecay 383 #ifdef debug_VStringDecay
386 G4cout<<"VlongSD Create a Quark - AntiQu 384 G4cout<<"VlongSD Create a Quark - AntiQuark pair"<<G4endl;
387 #endif 385 #endif
388 G4int PDGcode=SampleQuarkFlavor()*NeedPa 386 G4int PDGcode=SampleQuarkFlavor()*NeedParticle;
389 return pDefPair (FindParticle(PDGcode),F 387 return pDefPair (FindParticle(PDGcode),FindParticle(-PDGcode));
390 } 388 }
391 } 389 }
392 390
393 //-------------------------------------------- 391 //-----------------------------------------------------------------------------
394 392
395 G4int G4VLongitudinalStringDecay::SampleQuarkF 393 G4int G4VLongitudinalStringDecay::SampleQuarkFlavor(void)
396 { 394 {
397 G4int quark(1); 395 G4int quark(1);
398 G4double ksi = G4UniformRand(); 396 G4double ksi = G4UniformRand();
399 if ( ksi < ProbCB ) { 397 if ( ksi < ProbCB ) {
400 if ( ksi < ProbCCbar ) {quark = 4;} // 398 if ( ksi < ProbCCbar ) {quark = 4;} // c quark
401 else {quark = 5;} // 399 else {quark = 5;} // b quark
402 #ifdef debug_heavyHadrons 400 #ifdef debug_heavyHadrons
403 G4cout << "G4VLongitudinalStringDecay::S 401 G4cout << "G4VLongitudinalStringDecay::SampleQuarkFlavor : sampled from the vacuum HEAVY quark = "
404 << quark << G4endl; 402 << quark << G4endl;
405 #endif 403 #endif
406 } else { 404 } else {
407 quark = 1 + (int)(G4UniformRand()/Strange 405 quark = 1 + (int)(G4UniformRand()/StrangeSuppress);
408 } 406 }
409 #ifdef debug_VStringDecay 407 #ifdef debug_VStringDecay
410 G4cout<<"VlongSD SampleQuarkFlavor "<<quark 408 G4cout<<"VlongSD SampleQuarkFlavor "<<quark<<" (ProbCB ProbCCbar ProbBBbar "<<ProbCB
411 <<" "<<ProbCCbar<<" "<<ProbBBbar<<" ) 409 <<" "<<ProbCCbar<<" "<<ProbBBbar<<" )"<<G4endl;
412 #endif 410 #endif
413 return quark; 411 return quark;
414 } 412 }
415 413
416 //-------------------------------------------- 414 //-----------------------------------------------------------------------------
417 415
418 G4ThreeVector G4VLongitudinalStringDecay::Samp 416 G4ThreeVector G4VLongitudinalStringDecay::SampleQuarkPt(G4double ptMax)
419 { 417 {
420 G4double Pt; 418 G4double Pt;
421 if ( ptMax < 0 ) { 419 if ( ptMax < 0 ) {
422 // sample full gaussian 420 // sample full gaussian
423 Pt = -G4Log(G4UniformRand()); 421 Pt = -G4Log(G4UniformRand());
424 } else { 422 } else {
425 // sample in limited range 423 // sample in limited range
426 G4double q = ptMax/SigmaQT; 424 G4double q = ptMax/SigmaQT;
427 G4double ymin = (q > 20.) ? 0.0 : G4Exp( 425 G4double ymin = (q > 20.) ? 0.0 : G4Exp(-q*q);
428 Pt = -G4Log(G4RandFlat::shoot(ymin, 1.)) 426 Pt = -G4Log(G4RandFlat::shoot(ymin, 1.));
429 } 427 }
430 Pt = SigmaQT * std::sqrt(Pt); 428 Pt = SigmaQT * std::sqrt(Pt);
431 G4double phi = 2.*pi*G4UniformRand(); 429 G4double phi = 2.*pi*G4UniformRand();
432 return G4ThreeVector(Pt * std::cos(phi),Pt 430 return G4ThreeVector(Pt * std::cos(phi),Pt * std::sin(phi),0);
433 } 431 }
434 432
435 //******************************************** 433 //******************************************************************************
436 434
437 void G4VLongitudinalStringDecay::CalculateHadr 435 void G4VLongitudinalStringDecay::CalculateHadronTimePosition(G4double theInitialStringMass,
438 436 G4KineticTrackVector* Hadrons)
439 { 437 {
440 // `yo-yo` formation time 438 // `yo-yo` formation time
441 // const G4double kappa = 1.0 * GeV/fermi 439 // const G4double kappa = 1.0 * GeV/fermi/4.;
442 G4double kappa = GetStringTensionParameter( 440 G4double kappa = GetStringTensionParameter();
443 for (size_t c1 = 0; c1 < Hadrons->size(); c 441 for (size_t c1 = 0; c1 < Hadrons->size(); c1++)
444 { 442 {
445 G4double SumPz = 0; 443 G4double SumPz = 0;
446 G4double SumE = 0; 444 G4double SumE = 0;
447 for (size_t c2 = 0; c2 < c1; c2++) 445 for (size_t c2 = 0; c2 < c1; c2++)
448 { 446 {
449 SumPz += Hadrons->operator[](c2)->Get 447 SumPz += Hadrons->operator[](c2)->Get4Momentum().pz();
450 SumE += Hadrons->operator[](c2)->Get 448 SumE += Hadrons->operator[](c2)->Get4Momentum().e();
451 } 449 }
452 G4double HadronE = Hadrons->operator[]( 450 G4double HadronE = Hadrons->operator[](c1)->Get4Momentum().e();
453 G4double HadronPz = Hadrons->operator[]( 451 G4double HadronPz = Hadrons->operator[](c1)->Get4Momentum().pz();
454 Hadrons->operator[](c1)->SetFormationTim 452 Hadrons->operator[](c1)->SetFormationTime(
455 (theInitialStringMass - 2.*SumPz + Had 453 (theInitialStringMass - 2.*SumPz + HadronE - HadronPz ) / (2.*kappa) / c_light );
456 G4ThreeVector aPosition( 0, 0, 454 G4ThreeVector aPosition( 0, 0,
457 (theInitialStringMass - 2.*SumE - Had 455 (theInitialStringMass - 2.*SumE - HadronE + HadronPz) / (2.*kappa) );
458 Hadrons->operator[](c1)->SetPosition(aPo 456 Hadrons->operator[](c1)->SetPosition(aPosition);
459 } 457 }
460 } 458 }
461 459
462 //-------------------------------------------- 460 //-----------------------------------------------------------------------------
463 461
464 void G4VLongitudinalStringDecay::SetSigmaTrans 462 void G4VLongitudinalStringDecay::SetSigmaTransverseMomentum(G4double aValue)
465 { 463 {
466 if ( PastInitPhase ) { 464 if ( PastInitPhase ) {
467 throw G4HadronicException(__FILE__, __LIN 465 throw G4HadronicException(__FILE__, __LINE__,
468 "G4VLongitudinalStringDecay::SetSigmaTr 466 "G4VLongitudinalStringDecay::SetSigmaTransverseMomentum after FragmentString() not allowed");
469 } else { 467 } else {
470 SigmaQT = aValue; 468 SigmaQT = aValue;
471 } 469 }
472 } 470 }
473 471
474 //-------------------------------------------- 472 //----------------------------------------------------------------------------------------------------------
475 473
476 void G4VLongitudinalStringDecay::SetStrangenes 474 void G4VLongitudinalStringDecay::SetStrangenessSuppression(G4double aValue)
477 { 475 {
478 StrangeSuppress = aValue; 476 StrangeSuppress = aValue;
479 } 477 }
480 478
481 //-------------------------------------------- 479 //----------------------------------------------------------------------------------------------------------
482 480
483 void G4VLongitudinalStringDecay::SetDiquarkSup 481 void G4VLongitudinalStringDecay::SetDiquarkSuppression(G4double aValue)
484 { 482 {
485 DiquarkSuppress = aValue; 483 DiquarkSuppress = aValue;
486 } 484 }
487 485
488 //-------------------------------------------- 486 //----------------------------------------------------------------------------------------
489 487
490 void G4VLongitudinalStringDecay::SetDiquarkBre 488 void G4VLongitudinalStringDecay::SetDiquarkBreakProbability(G4double aValue)
491 { 489 {
492 if ( PastInitPhase ) { 490 if ( PastInitPhase ) {
493 throw G4HadronicException(__FILE__, __LINE 491 throw G4HadronicException(__FILE__, __LINE__,
494 "G4VLongitudinalStringDecay::SetDiquarkB 492 "G4VLongitudinalStringDecay::SetDiquarkBreakProbability after FragmentString() not allowed");
495 } else { 493 } else {
496 DiquarkBreakProb = aValue; 494 DiquarkBreakProb = aValue;
497 } 495 }
498 } 496 }
499 497
500 //-------------------------------------------- 498 //----------------------------------------------------------------------------------------------------------
501 499
>> 500 void G4VLongitudinalStringDecay::SetVectorMesonProbability(G4double aValue)
>> 501 {
>> 502 if ( PastInitPhase ) {
>> 503 throw G4HadronicException(__FILE__, __LINE__,
>> 504 "G4VLongitudinalStringDecay::SetVectorMesonProbability after FragmentString() not allowed");
>> 505 } else {
>> 506 pspin_meson = aValue;
>> 507 delete hadronizer;
>> 508 hadronizer = new G4HadronBuilder( pspin_meson, pspin_barion, scalarMesonMix, vectorMesonMix, ProbEta_c, ProbEta_b );
>> 509 }
>> 510 }
>> 511
>> 512 //----------------------------------------------------------------------------------------------------------
>> 513
502 void G4VLongitudinalStringDecay::SetSpinThreeH 514 void G4VLongitudinalStringDecay::SetSpinThreeHalfBarionProbability(G4double aValue)
503 { 515 {
504 if ( PastInitPhase ) { 516 if ( PastInitPhase ) {
505 throw G4HadronicException(__FILE__, __LINE 517 throw G4HadronicException(__FILE__, __LINE__,
506 "G4VLongitudinalStringDecay::SetSpinThre 518 "G4VLongitudinalStringDecay::SetSpinThreeHalfBarionProbability after FragmentString() not allowed");
507 } else { 519 } else {
508 pspin_barion = aValue; 520 pspin_barion = aValue;
509 delete hadronizer; 521 delete hadronizer;
510 hadronizer = new G4HadronBuilder( pspin_me << 522 hadronizer = new G4HadronBuilder( pspin_meson, pspin_barion, scalarMesonMix, vectorMesonMix, ProbEta_c, ProbEta_b );
511 ProbEta_ <<
512 } 523 }
513 } 524 }
514 525
515 //-------------------------------------------- 526 //----------------------------------------------------------------------------------------------------------
516 527
517 void G4VLongitudinalStringDecay::SetScalarMeso 528 void G4VLongitudinalStringDecay::SetScalarMesonMixings(std::vector<G4double> aVector)
518 { 529 {
519 if ( PastInitPhase ) { 530 if ( PastInitPhase ) {
520 throw G4HadronicException(__FILE__, __LINE 531 throw G4HadronicException(__FILE__, __LINE__,
521 "G4VLongitudinalStringDecay::SetScalarMe 532 "G4VLongitudinalStringDecay::SetScalarMesonMixings after FragmentString() not allowed");
522 } else { 533 } else {
523 if ( aVector.size() < 6 ) 534 if ( aVector.size() < 6 )
524 throw G4HadronicException(__FILE__, __LI 535 throw G4HadronicException(__FILE__, __LINE__,
525 "G4VLongitudinalStringDecay::SetScalar 536 "G4VLongitudinalStringDecay::SetScalarMesonMixings( argument Vector too small");
526 scalarMesonMix[0] = aVector[0]; 537 scalarMesonMix[0] = aVector[0];
527 scalarMesonMix[1] = aVector[1]; 538 scalarMesonMix[1] = aVector[1];
528 scalarMesonMix[2] = aVector[2]; 539 scalarMesonMix[2] = aVector[2];
529 scalarMesonMix[3] = aVector[3]; 540 scalarMesonMix[3] = aVector[3];
530 scalarMesonMix[4] = aVector[4]; 541 scalarMesonMix[4] = aVector[4];
531 scalarMesonMix[5] = aVector[5]; 542 scalarMesonMix[5] = aVector[5];
532 delete hadronizer; 543 delete hadronizer;
533 hadronizer = new G4HadronBuilder( pspin_me << 544 hadronizer = new G4HadronBuilder( pspin_meson, pspin_barion, scalarMesonMix, vectorMesonMix, ProbEta_c, ProbEta_b );
534 ProbEta_ <<
535 } 545 }
536 } 546 }
537 547
538 //-------------------------------------------- 548 //----------------------------------------------------------------------------------------------------------
539 549
540 void G4VLongitudinalStringDecay::SetVectorMeso 550 void G4VLongitudinalStringDecay::SetVectorMesonMixings(std::vector<G4double> aVector)
541 { 551 {
542 if ( PastInitPhase ) { 552 if ( PastInitPhase ) {
543 throw G4HadronicException(__FILE__, __LINE 553 throw G4HadronicException(__FILE__, __LINE__,
544 "G4VLongitudinalStringDecay::SetVectorMe 554 "G4VLongitudinalStringDecay::SetVectorMesonMixings after FragmentString() not allowed");
545 } else { 555 } else {
546 if ( aVector.size() < 6 ) 556 if ( aVector.size() < 6 )
547 throw G4HadronicException(__FILE__, __LI 557 throw G4HadronicException(__FILE__, __LINE__,
548 "G4VLongitudinalStringDecay::SetVector 558 "G4VLongitudinalStringDecay::SetVectorMesonMixings( argument Vector too small");
549 vectorMesonMix[0] = aVector[0]; 559 vectorMesonMix[0] = aVector[0];
550 vectorMesonMix[1] = aVector[1]; 560 vectorMesonMix[1] = aVector[1];
551 vectorMesonMix[2] = aVector[2]; 561 vectorMesonMix[2] = aVector[2];
552 vectorMesonMix[3] = aVector[3]; 562 vectorMesonMix[3] = aVector[3];
553 vectorMesonMix[4] = aVector[4]; 563 vectorMesonMix[4] = aVector[4];
554 vectorMesonMix[5] = aVector[5]; 564 vectorMesonMix[5] = aVector[5];
555 delete hadronizer; 565 delete hadronizer;
556 hadronizer = new G4HadronBuilder( pspin_me << 566 hadronizer = new G4HadronBuilder( pspin_meson, pspin_barion, scalarMesonMix, vectorMesonMix, ProbEta_c, ProbEta_b );
557 ProbEta_ <<
558 } 567 }
559 } 568 }
560 569
561 //-------------------------------------------- 570 //-------------------------------------------------------------------------------------------
562 571
563 void G4VLongitudinalStringDecay::SetProbCCbar( 572 void G4VLongitudinalStringDecay::SetProbCCbar(G4double aValue)
564 { 573 {
565 ProbCCbar = aValue; 574 ProbCCbar = aValue;
566 ProbCB = ProbCCbar + ProbBBbar; 575 ProbCB = ProbCCbar + ProbBBbar;
567 } 576 }
568 577
569 //-------------------------------------------- 578 //-------------------------------------------------------------------------------------------
570 579
571 void G4VLongitudinalStringDecay::SetProbEta_c( 580 void G4VLongitudinalStringDecay::SetProbEta_c(G4double aValue)
572 { 581 {
573 ProbEta_c = aValue; 582 ProbEta_c = aValue;
574 } 583 }
575 584
576 //-------------------------------------------- 585 //-------------------------------------------------------------------------------------------
577 586
578 void G4VLongitudinalStringDecay::SetProbBBbar( 587 void G4VLongitudinalStringDecay::SetProbBBbar(G4double aValue)
579 { 588 {
580 ProbBBbar = aValue; 589 ProbBBbar = aValue;
581 ProbCB = ProbCCbar + ProbBBbar; 590 ProbCB = ProbCCbar + ProbBBbar;
582 } 591 }
583 592
584 //-------------------------------------------- 593 //-------------------------------------------------------------------------------------------
585 594
586 void G4VLongitudinalStringDecay::SetProbEta_b( 595 void G4VLongitudinalStringDecay::SetProbEta_b(G4double aValue)
587 { 596 {
588 ProbEta_b = aValue; 597 ProbEta_b = aValue;
589 } 598 }
590 599
591 //-------------------------------------------- 600 //-------------------------------------------------------------------------------------------
592 601
593 void G4VLongitudinalStringDecay::SetStringTens 602 void G4VLongitudinalStringDecay::SetStringTensionParameter(G4double aValue)
594 { 603 {
595 Kappa = aValue * GeV/fermi; 604 Kappa = aValue * GeV/fermi;
596 } 605 }
597 606
598 //-------------------------------------------- 607 //-----------------------------------------------------------------------
599 608
600 void G4VLongitudinalStringDecay::SetMinMasses( 609 void G4VLongitudinalStringDecay::SetMinMasses()
601 { 610 {
602 // ------ For estimation of a minimal stri 611 // ------ For estimation of a minimal string mass ---------------
603 Mass_of_light_quark =140.*MeV; 612 Mass_of_light_quark =140.*MeV;
604 Mass_of_s_quark =500.*MeV; 613 Mass_of_s_quark =500.*MeV;
605 Mass_of_c_quark =1600.*MeV; 614 Mass_of_c_quark =1600.*MeV;
606 Mass_of_b_quark =4500.*MeV; 615 Mass_of_b_quark =4500.*MeV;
607 Mass_of_string_junction=720.*MeV; 616 Mass_of_string_junction=720.*MeV;
608 617
609 // ---------------- Determination of minim 618 // ---------------- Determination of minimal mass of q-qbar strings -------------------
610 G4ParticleDefinition * hadron1; G4int C 619 G4ParticleDefinition * hadron1; G4int Code1;
611 G4ParticleDefinition * hadron2; G4int C 620 G4ParticleDefinition * hadron2; G4int Code2;
612 for (G4int i=1; i < 6; i++) { 621 for (G4int i=1; i < 6; i++) {
613 Code1 = 100*i + 10*1 + 1; 622 Code1 = 100*i + 10*1 + 1;
614 hadron1 = FindParticle(Code1); 623 hadron1 = FindParticle(Code1);
615 624
616 if (hadron1 != nullptr) { 625 if (hadron1 != nullptr) {
617 for (G4int j=1; j < 6; j++) { 626 for (G4int j=1; j < 6; j++) {
618 Code2 = 100*j + 10*1 + 1; 627 Code2 = 100*j + 10*1 + 1;
619 hadron2 = FindParticle(Code2); 628 hadron2 = FindParticle(Code2);
620 if (hadron2 != nullptr) { 629 if (hadron2 != nullptr) {
621 minMassQQbarStr[i-1][j-1] = h 630 minMassQQbarStr[i-1][j-1] = hadron1->GetPDGMass() + hadron2->GetPDGMass() + 70.0 * MeV;
622 } 631 }
623 } 632 }
624 } 633 }
625 } 634 }
626 635
627 minMassQQbarStr[1][1] = minMassQQbarStr[0] 636 minMassQQbarStr[1][1] = minMassQQbarStr[0][0]; // u-ubar = 0.5 Pi0 + 0.24 Eta + 0.25 Eta'
628 637
629 // ---------------- Determination of minim 638 // ---------------- Determination of minimal mass of qq-q strings -------------------
630 G4ParticleDefinition * hadron3; 639 G4ParticleDefinition * hadron3;
631 G4int kfla, kflb; 640 G4int kfla, kflb;
632 // MaxMass = -350.0*GeV; // If there wi 641 // MaxMass = -350.0*GeV; // If there will be a particle with mass larger than Higgs the value must be changed.
633 642
634 for (G4int i=1; i < 6; i++) { //i=1 643 for (G4int i=1; i < 6; i++) { //i=1
635 Code1 = 100*i + 10*1 + 1; 644 Code1 = 100*i + 10*1 + 1;
636 hadron1 = FindParticle(Code1); 645 hadron1 = FindParticle(Code1);
637 for (G4int j=1; j < 6; j++) { 646 for (G4int j=1; j < 6; j++) {
638 for (G4int k=1; k < 6; k++) { 647 for (G4int k=1; k < 6; k++) {
639 kfla = std::max(j,k); 648 kfla = std::max(j,k);
640 kflb = std::min(j,k); 649 kflb = std::min(j,k);
641 650
642 // Add d-quark 651 // Add d-quark
643 Code2 = 1000*kfla + 100*kflb + 652 Code2 = 1000*kfla + 100*kflb + 10*1 + 2;
644 if ( (j == 1) && (k==1)) Code2 = 1000*2 + 653 if ( (j == 1) && (k==1)) Code2 = 1000*2 + 100*1 + 10*1 + 2; // In the case - add u-quark.
645 654
646 hadron2 = G4ParticleTable::Get 655 hadron2 = G4ParticleTable::GetParticleTable()->FindParticle(Code2);
647 hadron3 = G4ParticleTable::Get 656 hadron3 = G4ParticleTable::GetParticleTable()->FindParticle(Code2 + 2);
648 657
649 if ((hadron2 == nullptr) && (h 658 if ((hadron2 == nullptr) && (hadron3 == nullptr)) {minMassQDiQStr[i-1][j-1][k-1] = MaxMass; continue;};
650 659
651 if ((hadron2 != nullptr) && (h 660 if ((hadron2 != nullptr) && (hadron3 != nullptr)) {
652 if (hadron2->GetPDGMass() > 661 if (hadron2->GetPDGMass() > hadron3->GetPDGMass() ) { hadron2 = hadron3; }
653 }; 662 };
654 663
655 if ((hadron2 != nullptr) && (h 664 if ((hadron2 != nullptr) && (hadron3 == nullptr)) {};
656 665
657 if ((hadron2 == nullptr) && (h 666 if ((hadron2 == nullptr) && (hadron3 != nullptr)) {hadron2 = hadron3;};
658 667
659 minMassQDiQStr[i-1][j-1][k-1] 668 minMassQDiQStr[i-1][j-1][k-1] = hadron1->GetPDGMass() + hadron2->GetPDGMass() + 70.0 * MeV;
660 } 669 }
661 } 670 }
662 } 671 }
663 672
664 // ------ An estimated minimal string mass 673 // ------ An estimated minimal string mass ----------------------
665 MinimalStringMass = 0.; 674 MinimalStringMass = 0.;
666 MinimalStringMass2 = 0.; 675 MinimalStringMass2 = 0.;
667 // q charges d u 676 // q charges d u s c b
668 Qcharge[0] = -1; Qcharge[1] = 2; Qcharge[2 677 Qcharge[0] = -1; Qcharge[1] = 2; Qcharge[2] = -1; Qcharge[3] = 2; Qcharge[4] = -1;
669 678
670 // For treating of small string decays 679 // For treating of small string decays
671 for (G4int i=0; i<5; i++) 680 for (G4int i=0; i<5; i++)
672 { for (G4int j=0; j<5; j++) 681 { for (G4int j=0; j<5; j++)
673 { for (G4int k=0; k<7; k++) 682 { for (G4int k=0; k<7; k++)
674 { 683 {
675 Meson[i][j][k]=0; MesonWeight[i][j 684 Meson[i][j][k]=0; MesonWeight[i][j][k]=0.;
676 } 685 }
677 } 686 }
678 } 687 }
679 //-------------------------- 688 //--------------------------
680 G4int StrangeQ = 0; <<
681 G4int StrangeAQ = 0; <<
682 for (G4int i=0; i<5; i++) 689 for (G4int i=0; i<5; i++)
683 { << 690 { for (G4int j=0; j<5; j++)
684 if( i >= 2 ) StrangeQ=1; << 691 {
685 for (G4int j=0; j<5; j++) <<
686 { <<
687 StrangeAQ = 0; <<
688 if( j >= 2 ) StrangeAQ=1; <<
689 Meson[i][j][0] = 100 * (std::ma 692 Meson[i][j][0] = 100 * (std::max(i,j)+1) + 10 * (std::min(i,j)+1) + 1; // Scalar meson
690 MesonWeight[i][j][0] = ( pspin_meso << 693 MesonWeight[i][j][0] = ( pspin_meson);
691 Meson[i][j][1] = 100 * (std::ma 694 Meson[i][j][1] = 100 * (std::max(i,j)+1) + 10 * (std::min(i,j)+1) + 3; // Vector meson
692 MesonWeight[i][j][1] = (1.-pspin_meso << 695 MesonWeight[i][j][1] = (1.-pspin_meson);
693 } 696 }
694 } 697 }
695 698
696 //qqs 699 //qqs indexes
697 //dd1 -> scalarMesonMix[0] * 111 + (1-scal 700 //dd1 -> scalarMesonMix[0] * 111 + (1-scalarMesonMix[0]-scalarMesonMix[1]) * 221 + scalarMesonMix[1] * 331 (000)
698 //dd1 -> Pi0 701 //dd1 -> Pi0 Eta Eta'
699 702
700 Meson[0][0][0] = 111; MesonWeight[0][0][0] << 703 Meson[0][0][0] = 111; MesonWeight[0][0][0] = ( pspin_meson) * ( scalarMesonMix[0] ); // Pi0
701 Meson[0][0][2] = 221; MesonWeight[0][0][3] << 704 Meson[0][0][2] = 221; MesonWeight[0][0][3] = ( pspin_meson) * (1-scalarMesonMix[0]-scalarMesonMix[1]); // Eta
702 Meson[0][0][3] = 331; MesonWeight[0][0][4] << 705 Meson[0][0][3] = 331; MesonWeight[0][0][4] = ( pspin_meson) * ( scalarMesonMix[1]); // Eta'
703 << 706
704 //dd3 -> (1-vectorMesonMix[1] * 113 + vect << 707 //dd3 -> vectorMesonMix[0] * 113 + (1-vectorMesonMix[0]-vectorMesonMix[1]) * 223 + vectorMesonMix[1] * 333 (001)
705 //dd3 -> rho_0 << 708 //dd3 -> rho_0 omega phi
706 << 709
707 Meson[0][0][1] = 113; MesonWeight[0][0][1] << 710 Meson[0][0][1] = 113; MesonWeight[0][0][1] = (1.-pspin_meson) * ( vectorMesonMix[0] ); // Rho
708 Meson[0][0][4] = 223; MesonWeight[0][0][4] << 711 Meson[0][0][4] = 223; MesonWeight[0][0][4] = (1.-pspin_meson) * (1-vectorMesonMix[0]-vectorMesonMix[1]); // omega
>> 712 Meson[0][0][5] = 333; MesonWeight[0][0][5] = (1.-pspin_meson) * ( vectorMesonMix[1]); // phi
709 713
710 //uu1 -> scalarMesonMix[0] * 111 + (1-scal 714 //uu1 -> scalarMesonMix[0] * 111 + (1-scalarMesonMix[0]-scalarMesonMix[1]) * 221 + scalarMesonMix[1] * 331 (110)
711 //uu1 -> Pi0 715 //uu1 -> Pi0 Eta Eta'
712 716
713 Meson[1][1][0] = 111; MesonWeight[1][1][0] << 717 Meson[1][1][0] = 111; MesonWeight[1][1][0] = ( pspin_meson) * ( scalarMesonMix[0] ); // Pi0
714 Meson[1][1][2] = 221; MesonWeight[1][1][2] << 718 Meson[1][1][2] = 221; MesonWeight[1][1][2] = ( pspin_meson) * (1-scalarMesonMix[0]-scalarMesonMix[1]); // Eta
715 Meson[1][1][3] = 331; MesonWeight[1][1][3] << 719 Meson[1][1][3] = 331; MesonWeight[1][1][3] = ( pspin_meson) * ( scalarMesonMix[1]); // Eta'
716 << 720
717 //uu3 -> (1-vectorMesonMix[1]) * 113 + vec << 721 //uu3 -> vectorMesonMix[0] * 113 + (1-vectorMesonMix[0]-vectorMesonMix[1]) * 223 + vectorMesonMix[1] * 333 (111)
718 //uu3 -> rho_0 << 722 //uu3 -> rho_0 omega phi
719 << 723
720 Meson[1][1][1] = 113; MesonWeight[1][1][1] << 724 Meson[1][1][1] = 113; MesonWeight[1][1][1] = (1.-pspin_meson) * ( vectorMesonMix[0] ); // Rho
721 Meson[1][1][4] = 223; MesonWeight[1][1][4] << 725 Meson[1][1][4] = 223; MesonWeight[1][1][4] = (1.-pspin_meson) * (1-vectorMesonMix[0]-vectorMesonMix[1]); // omega
>> 726 Meson[1][1][5] = 333; MesonWeight[1][1][5] = (1.-pspin_meson) * ( vectorMesonMix[1]); // phi
722 727
723 //ss1 -> 728 //ss1 -> (1-scalarMesonMix[5]) * 221 + scalarMesonMix[5] * 331 (220)
724 //ss1 -> 729 //ss1 -> Eta Eta'
725 730
726 Meson[2][2][0] = 221; MesonWeight[2][2][0] << 731 Meson[2][2][0] = 221; MesonWeight[2][2][0] = ( pspin_meson) * (1-scalarMesonMix[5] ); // Eta
727 Meson[2][2][2] = 331; MesonWeight[2][2][2] << 732 Meson[2][2][2] = 331; MesonWeight[2][2][2] = ( pspin_meson) * ( scalarMesonMix[5]); // Eta'
728 733
729 //ss3 -> << 734 //ss3 -> (1-vectorMesonMix[5]) * 223 + vectorMesonMix[5] * 333 (221)
730 //ss3 -> << 735 //ss3 -> omega phi
731 736
732 Meson[2][2][1] = 333; MesonWeight[2][2][1] << 737 Meson[2][2][1] = 223; MesonWeight[2][2][1] = (1.-pspin_meson) * (1-vectorMesonMix[5] ); // omega
>> 738 Meson[2][2][3] = 333; MesonWeight[2][2][3] = (1.-pspin_meson) * ( vectorMesonMix[5]); // phi
733 739
734 //cc1 -> ProbEta_c /(1-pspin_meson) 740 //cc1 -> ProbEta_c /(1-pspin_meson) 441 (330) Probability of Eta_c
735 //cc3 -> (1-ProbEta_c)/( pspin_meson) 741 //cc3 -> (1-ProbEta_c)/( pspin_meson) 443 (331) Probability of J/Psi
736 742
737 //bb1 -> ProbEta_b /pspin_meson 551 743 //bb1 -> ProbEta_b /pspin_meson 551 (440) Probability of Eta_b
738 //bb3 -> (1-ProbEta_b)/pspin_meson 553 744 //bb3 -> (1-ProbEta_b)/pspin_meson 553 (441) Probability of Upsilon
739 745
740 if ( pspin_meson[2] != 0. ) { << 746 if ( pspin_meson != 0. ) {
741 Meson[3][3][0] *= ( ProbEta_c)/( p << 747 Meson[3][3][0] *= ( ProbEta_c)/( pspin_meson); // Eta_c
742 Meson[3][3][1] *= (1.0-ProbEta_c)/(1.-p << 748 Meson[3][3][1] *= (1.0-ProbEta_c)/(1.-pspin_meson); // J/Psi
743 749
744 Meson[4][4][0] *= ( ProbEta_b)/( p << 750 Meson[4][4][0] *= ( ProbEta_b)/( pspin_meson); // Eta_b
745 Meson[4][4][1] *= (1.0-ProbEta_b)/(1.-p << 751 Meson[4][4][1] *= (1.0-ProbEta_b)/(1.-pspin_meson); // Upsilon
746 } 752 }
747 753
748 //-------------------------- 754 //--------------------------
749 755
750 for (G4int i=0; i<5; i++) 756 for (G4int i=0; i<5; i++)
751 { for (G4int j=0; j<5; j++) 757 { for (G4int j=0; j<5; j++)
752 { for (G4int k=0; k<5; k++) 758 { for (G4int k=0; k<5; k++)
753 { for (G4int l=0; l<4; l++) 759 { for (G4int l=0; l<4; l++)
754 { Baryon[i][j][k][l]=0; BaryonWei 760 { Baryon[i][j][k][l]=0; BaryonWeight[i][j][k][l]=0.;}
755 } 761 }
756 } 762 }
757 } 763 }
758 764
759 kfla =0; kflb =0; 765 kfla =0; kflb =0;
760 G4int kflc(0), kfld(0), 766 G4int kflc(0), kfld(0), kfle(0), kflf(0);
761 for (G4int i=0; i<5; i++) 767 for (G4int i=0; i<5; i++)
762 { for (G4int j=0; j<5; j++) 768 { for (G4int j=0; j<5; j++)
763 { for (G4int k=0; k<5; k++) 769 { for (G4int k=0; k<5; k++)
764 { 770 {
765 kfla = i+1; kflb = j+1; kflc = k+1; 771 kfla = i+1; kflb = j+1; kflc = k+1;
766 kfld = std::max(kfla,kflb); 772 kfld = std::max(kfla,kflb);
767 kfld = std::max(kfld,kflc); 773 kfld = std::max(kfld,kflc);
768 774
769 kflf = std::min(kfla,kflb); 775 kflf = std::min(kfla,kflb);
770 kflf = std::min(kflf,kflc); 776 kflf = std::min(kflf,kflc);
771 777
772 kfle = kfla + kflb + kflc - kfld - 778 kfle = kfla + kflb + kflc - kfld - kflf;
773 779
774 Baryon[i][j][k][0] = 1000 * k 780 Baryon[i][j][k][0] = 1000 * kfld + 100 * kfle + 10 * kflf + 2; // spin=1/2
775 BaryonWeight[i][j][k][0] = ( pspi 781 BaryonWeight[i][j][k][0] = ( pspin_barion);
776 Baryon[i][j][k][1] = 1000 * k 782 Baryon[i][j][k][1] = 1000 * kfld + 100 * kfle + 10 * kflf + 4; // spin=3/2
777 BaryonWeight[i][j][k][1] = (1.-pspi 783 BaryonWeight[i][j][k][1] = (1.-pspin_barion);
778 } 784 }
779 } 785 }
780 } 786 }
781 787
782 // Delta- ddd - only 1114 788 // Delta- ddd - only 1114
783 Baryon[0][0][0][0] = 1114; BaryonWeight 789 Baryon[0][0][0][0] = 1114; BaryonWeight[0][0][0][0] = 1.0;
784 Baryon[0][0][0][1] = 0; BaryonWeight 790 Baryon[0][0][0][1] = 0; BaryonWeight[0][0][0][1] = 0.0;
785 791
786 // Delta++ uuu - only 2224 792 // Delta++ uuu - only 2224
787 Baryon[1][1][1][0] = 2224; BaryonWeight 793 Baryon[1][1][1][0] = 2224; BaryonWeight[1][1][1][0] = 1.0;
788 Baryon[1][1][1][1] = 0; BaryonWeight 794 Baryon[1][1][1][1] = 0; BaryonWeight[1][1][1][1] = 0.0;
789 795
790 // Omega- sss - only 3334 796 // Omega- sss - only 3334
791 Baryon[2][2][2][0] = 3334; BaryonWeight 797 Baryon[2][2][2][0] = 3334; BaryonWeight[2][2][2][0] = 1.0;
792 Baryon[2][2][2][1] = 0; BaryonWeight 798 Baryon[2][2][2][1] = 0; BaryonWeight[2][2][2][1] = 0.0;
793 799
794 // Omega_cc++ ccc - only 4444 800 // Omega_cc++ ccc - only 4444
795 Baryon[3][3][3][0] = 4444; BaryonWeight 801 Baryon[3][3][3][0] = 4444; BaryonWeight[3][3][3][0] = 1.0;
796 Baryon[3][3][3][1] = 0; BaryonWeight 802 Baryon[3][3][3][1] = 0; BaryonWeight[3][3][3][1] = 0.0;
797 803
798 // Omega_bb- bbb - only 5554 804 // Omega_bb- bbb - only 5554
799 Baryon[4][4][4][0] = 5554; BaryonWeight 805 Baryon[4][4][4][0] = 5554; BaryonWeight[4][4][4][0] = 1.0;
800 Baryon[4][4][4][1] = 0; BaryonWeight 806 Baryon[4][4][4][1] = 0; BaryonWeight[4][4][4][1] = 0.0;
801 807
802 // Lambda/Sigma0 sud - 3122/3212 808 // Lambda/Sigma0 sud - 3122/3212
803 Baryon[0][1][2][0] = 3122; BaryonWeight 809 Baryon[0][1][2][0] = 3122; BaryonWeight[0][1][2][0] *= 0.5; // Lambda
804 Baryon[0][2][1][0] = 3122; BaryonWeight 810 Baryon[0][2][1][0] = 3122; BaryonWeight[0][2][1][0] *= 0.5;
805 Baryon[1][0][2][0] = 3122; BaryonWeight 811 Baryon[1][0][2][0] = 3122; BaryonWeight[1][0][2][0] *= 0.5;
806 Baryon[1][2][0][0] = 3122; BaryonWeight 812 Baryon[1][2][0][0] = 3122; BaryonWeight[1][2][0][0] *= 0.5;
807 Baryon[2][0][1][0] = 3122; BaryonWeight 813 Baryon[2][0][1][0] = 3122; BaryonWeight[2][0][1][0] *= 0.5;
808 Baryon[2][1][0][0] = 3122; BaryonWeight 814 Baryon[2][1][0][0] = 3122; BaryonWeight[2][1][0][0] *= 0.5;
809 815
810 Baryon[0][1][2][2] = 3212; BaryonWeight 816 Baryon[0][1][2][2] = 3212; BaryonWeight[0][1][2][2] = 0.5 * pspin_barion; // Sigma0
811 Baryon[0][2][1][2] = 3212; BaryonWeight 817 Baryon[0][2][1][2] = 3212; BaryonWeight[0][2][1][2] = 0.5 * pspin_barion;
812 Baryon[1][0][2][2] = 3212; BaryonWeight 818 Baryon[1][0][2][2] = 3212; BaryonWeight[1][0][2][2] = 0.5 * pspin_barion;
813 Baryon[1][2][0][2] = 3212; BaryonWeight 819 Baryon[1][2][0][2] = 3212; BaryonWeight[1][2][0][2] = 0.5 * pspin_barion;
814 Baryon[2][0][1][2] = 3212; BaryonWeight 820 Baryon[2][0][1][2] = 3212; BaryonWeight[2][0][1][2] = 0.5 * pspin_barion;
815 Baryon[2][1][0][2] = 3212; BaryonWeight 821 Baryon[2][1][0][2] = 3212; BaryonWeight[2][1][0][2] = 0.5 * pspin_barion;
816 822
817 // Lambda_c+/Sigma_c+ cud - 4122/4212 823 // Lambda_c+/Sigma_c+ cud - 4122/4212
818 Baryon[0][1][3][0] = 4122; BaryonWeight 824 Baryon[0][1][3][0] = 4122; BaryonWeight[0][1][3][0] *= 0.5; // Lambda_c+
819 Baryon[0][3][1][0] = 4122; BaryonWeight 825 Baryon[0][3][1][0] = 4122; BaryonWeight[0][3][1][0] *= 0.5;
820 Baryon[1][0][3][0] = 4122; BaryonWeight 826 Baryon[1][0][3][0] = 4122; BaryonWeight[1][0][3][0] *= 0.5;
821 Baryon[1][3][0][0] = 4122; BaryonWeight 827 Baryon[1][3][0][0] = 4122; BaryonWeight[1][3][0][0] *= 0.5;
822 Baryon[3][0][1][0] = 4122; BaryonWeight 828 Baryon[3][0][1][0] = 4122; BaryonWeight[3][0][1][0] *= 0.5;
823 Baryon[3][1][0][0] = 4122; BaryonWeight 829 Baryon[3][1][0][0] = 4122; BaryonWeight[3][1][0][0] *= 0.5;
824 830
825 Baryon[0][1][3][2] = 4212; BaryonWeight 831 Baryon[0][1][3][2] = 4212; BaryonWeight[0][1][3][2] = 0.5 * pspin_barion; // SigmaC+
826 Baryon[0][3][1][2] = 4212; BaryonWeight 832 Baryon[0][3][1][2] = 4212; BaryonWeight[0][3][1][2] = 0.5 * pspin_barion;
827 Baryon[1][0][3][2] = 4212; BaryonWeight 833 Baryon[1][0][3][2] = 4212; BaryonWeight[1][0][3][2] = 0.5 * pspin_barion;
828 Baryon[1][3][0][2] = 4212; BaryonWeight 834 Baryon[1][3][0][2] = 4212; BaryonWeight[1][3][0][2] = 0.5 * pspin_barion;
829 Baryon[3][0][1][2] = 4212; BaryonWeight 835 Baryon[3][0][1][2] = 4212; BaryonWeight[3][0][1][2] = 0.5 * pspin_barion;
830 Baryon[3][1][0][2] = 4212; BaryonWeight 836 Baryon[3][1][0][2] = 4212; BaryonWeight[3][1][0][2] = 0.5 * pspin_barion;
831 837
832 // Xi_c+/Xi_c+' cus - 4232/4322 838 // Xi_c+/Xi_c+' cus - 4232/4322
833 Baryon[1][2][3][0] = 4232; BaryonWeight 839 Baryon[1][2][3][0] = 4232; BaryonWeight[1][2][3][0] *= 0.5; // Xi_c+
834 Baryon[1][3][2][0] = 4232; BaryonWeight 840 Baryon[1][3][2][0] = 4232; BaryonWeight[1][3][2][0] *= 0.5;
835 Baryon[2][1][3][0] = 4232; BaryonWeight 841 Baryon[2][1][3][0] = 4232; BaryonWeight[2][1][3][0] *= 0.5;
836 Baryon[2][3][1][0] = 4232; BaryonWeight 842 Baryon[2][3][1][0] = 4232; BaryonWeight[2][3][1][0] *= 0.5;
837 Baryon[3][1][2][0] = 4232; BaryonWeight 843 Baryon[3][1][2][0] = 4232; BaryonWeight[3][1][2][0] *= 0.5;
838 Baryon[3][2][1][0] = 4232; BaryonWeight 844 Baryon[3][2][1][0] = 4232; BaryonWeight[3][2][1][0] *= 0.5;
839 845
840 Baryon[1][2][3][2] = 4322; BaryonWeight 846 Baryon[1][2][3][2] = 4322; BaryonWeight[1][2][3][2] = 0.5 * pspin_barion; // Xi_c+'
841 Baryon[1][3][2][2] = 4322; BaryonWeight 847 Baryon[1][3][2][2] = 4322; BaryonWeight[1][3][2][2] = 0.5 * pspin_barion;
842 Baryon[2][1][3][2] = 4322; BaryonWeight 848 Baryon[2][1][3][2] = 4322; BaryonWeight[2][1][3][2] = 0.5 * pspin_barion;
843 Baryon[2][3][1][2] = 4322; BaryonWeight 849 Baryon[2][3][1][2] = 4322; BaryonWeight[2][3][1][2] = 0.5 * pspin_barion;
844 Baryon[3][1][2][2] = 4322; BaryonWeight 850 Baryon[3][1][2][2] = 4322; BaryonWeight[3][1][2][2] = 0.5 * pspin_barion;
845 Baryon[3][2][1][2] = 4322; BaryonWeight 851 Baryon[3][2][1][2] = 4322; BaryonWeight[3][2][1][2] = 0.5 * pspin_barion;
846 852
847 // Xi_c0/Xi_c0' cus - 4132/4312 853 // Xi_c0/Xi_c0' cus - 4132/4312
848 Baryon[0][2][3][0] = 4132; BaryonWeight 854 Baryon[0][2][3][0] = 4132; BaryonWeight[0][2][3][0] *= 0.5; // Xi_c0
849 Baryon[0][3][2][0] = 4132; BaryonWeight 855 Baryon[0][3][2][0] = 4132; BaryonWeight[0][3][2][0] *= 0.5;
850 Baryon[2][0][3][0] = 4132; BaryonWeight 856 Baryon[2][0][3][0] = 4132; BaryonWeight[2][0][3][0] *= 0.5;
851 Baryon[2][3][0][0] = 4132; BaryonWeight 857 Baryon[2][3][0][0] = 4132; BaryonWeight[2][3][0][0] *= 0.5;
852 Baryon[3][0][2][0] = 4132; BaryonWeight 858 Baryon[3][0][2][0] = 4132; BaryonWeight[3][0][2][0] *= 0.5;
853 Baryon[3][2][0][0] = 4132; BaryonWeight 859 Baryon[3][2][0][0] = 4132; BaryonWeight[3][2][0][0] *= 0.5;
854 860
855 Baryon[0][2][3][2] = 4312; BaryonWeight 861 Baryon[0][2][3][2] = 4312; BaryonWeight[0][2][3][2] = 0.5 * pspin_barion; // Xi_c0'
856 Baryon[0][3][2][2] = 4312; BaryonWeight 862 Baryon[0][3][2][2] = 4312; BaryonWeight[0][3][2][2] = 0.5 * pspin_barion;
857 Baryon[2][0][3][2] = 4312; BaryonWeight 863 Baryon[2][0][3][2] = 4312; BaryonWeight[2][0][3][2] = 0.5 * pspin_barion;
858 Baryon[2][3][0][2] = 4312; BaryonWeight 864 Baryon[2][3][0][2] = 4312; BaryonWeight[2][3][0][2] = 0.5 * pspin_barion;
859 Baryon[3][0][2][2] = 4312; BaryonWeight 865 Baryon[3][0][2][2] = 4312; BaryonWeight[3][0][2][2] = 0.5 * pspin_barion;
860 Baryon[3][2][0][2] = 4312; BaryonWeight 866 Baryon[3][2][0][2] = 4312; BaryonWeight[3][2][0][2] = 0.5 * pspin_barion;
861 867
862 // Lambda_b0/Sigma_b0 bud - 5122/5212 868 // Lambda_b0/Sigma_b0 bud - 5122/5212
863 Baryon[0][1][4][0] = 5122; BaryonWeight 869 Baryon[0][1][4][0] = 5122; BaryonWeight[0][1][4][0] *= 0.5; // Lambda_b0
864 Baryon[0][4][1][0] = 5122; BaryonWeight 870 Baryon[0][4][1][0] = 5122; BaryonWeight[0][4][1][0] *= 0.5;
865 Baryon[1][0][4][0] = 5122; BaryonWeight 871 Baryon[1][0][4][0] = 5122; BaryonWeight[1][0][4][0] *= 0.5;
866 Baryon[1][4][0][0] = 5122; BaryonWeight 872 Baryon[1][4][0][0] = 5122; BaryonWeight[1][4][0][0] *= 0.5;
867 Baryon[4][0][1][0] = 5122; BaryonWeight 873 Baryon[4][0][1][0] = 5122; BaryonWeight[4][0][1][0] *= 0.5;
868 Baryon[4][1][0][0] = 5122; BaryonWeight 874 Baryon[4][1][0][0] = 5122; BaryonWeight[4][1][0][0] *= 0.5;
869 875
870 Baryon[0][1][4][2] = 5212; BaryonWeight 876 Baryon[0][1][4][2] = 5212; BaryonWeight[0][1][4][2] = 0.5 * pspin_barion; // Sigma_b0
871 Baryon[0][4][1][2] = 5212; BaryonWeight 877 Baryon[0][4][1][2] = 5212; BaryonWeight[0][4][1][2] = 0.5 * pspin_barion;
872 Baryon[1][0][4][2] = 5212; BaryonWeight 878 Baryon[1][0][4][2] = 5212; BaryonWeight[1][0][4][2] = 0.5 * pspin_barion;
873 Baryon[1][4][0][2] = 5212; BaryonWeight 879 Baryon[1][4][0][2] = 5212; BaryonWeight[1][4][0][2] = 0.5 * pspin_barion;
874 Baryon[4][0][1][2] = 5212; BaryonWeight 880 Baryon[4][0][1][2] = 5212; BaryonWeight[4][0][1][2] = 0.5 * pspin_barion;
875 Baryon[4][1][0][2] = 5212; BaryonWeight 881 Baryon[4][1][0][2] = 5212; BaryonWeight[4][1][0][2] = 0.5 * pspin_barion;
876 882
877 // Xi_b0/Xi_b0' bus - 5232/5322 883 // Xi_b0/Xi_b0' bus - 5232/5322
878 Baryon[1][2][4][0] = 5232; BaryonWeight 884 Baryon[1][2][4][0] = 5232; BaryonWeight[1][2][4][0] *= 0.5; // Xi_b0
879 Baryon[1][4][2][0] = 5232; BaryonWeight 885 Baryon[1][4][2][0] = 5232; BaryonWeight[1][4][2][0] *= 0.5;
880 Baryon[2][1][4][0] = 5232; BaryonWeight 886 Baryon[2][1][4][0] = 5232; BaryonWeight[2][1][4][0] *= 0.5;
881 Baryon[2][4][1][0] = 5232; BaryonWeight 887 Baryon[2][4][1][0] = 5232; BaryonWeight[2][4][1][0] *= 0.5;
882 Baryon[4][1][2][0] = 5232; BaryonWeight 888 Baryon[4][1][2][0] = 5232; BaryonWeight[4][1][2][0] *= 0.5;
883 Baryon[4][2][1][0] = 5232; BaryonWeight 889 Baryon[4][2][1][0] = 5232; BaryonWeight[4][2][1][0] *= 0.5;
884 890
885 Baryon[1][2][4][2] = 5322; BaryonWeight 891 Baryon[1][2][4][2] = 5322; BaryonWeight[1][2][4][2] = 0.5 * pspin_barion; // Xi_b0'
886 Baryon[1][4][2][2] = 5322; BaryonWeight 892 Baryon[1][4][2][2] = 5322; BaryonWeight[1][4][2][2] = 0.5 * pspin_barion;
887 Baryon[2][1][4][2] = 5322; BaryonWeight 893 Baryon[2][1][4][2] = 5322; BaryonWeight[2][1][4][2] = 0.5 * pspin_barion;
888 Baryon[2][4][1][2] = 5322; BaryonWeight 894 Baryon[2][4][1][2] = 5322; BaryonWeight[2][4][1][2] = 0.5 * pspin_barion;
889 Baryon[4][1][2][2] = 5322; BaryonWeight 895 Baryon[4][1][2][2] = 5322; BaryonWeight[4][1][2][2] = 0.5 * pspin_barion;
890 Baryon[4][2][1][2] = 5322; BaryonWeight 896 Baryon[4][2][1][2] = 5322; BaryonWeight[4][2][1][2] = 0.5 * pspin_barion;
891 897
892 // Xi_b-/Xi_b-' bus - 5132/5312 898 // Xi_b-/Xi_b-' bus - 5132/5312
893 Baryon[0][2][4][0] = 5132; BaryonWeight 899 Baryon[0][2][4][0] = 5132; BaryonWeight[0][2][4][0] *= 0.5; // Xi_b-
894 Baryon[0][4][2][0] = 5132; BaryonWeight 900 Baryon[0][4][2][0] = 5132; BaryonWeight[0][4][2][0] *= 0.5;
895 Baryon[2][0][4][0] = 5132; BaryonWeight 901 Baryon[2][0][4][0] = 5132; BaryonWeight[2][0][4][0] *= 0.5;
896 Baryon[2][4][0][0] = 5132; BaryonWeight 902 Baryon[2][4][0][0] = 5132; BaryonWeight[2][4][0][0] *= 0.5;
897 Baryon[4][0][2][0] = 5132; BaryonWeight 903 Baryon[4][0][2][0] = 5132; BaryonWeight[4][0][2][0] *= 0.5;
898 Baryon[4][2][0][0] = 5132; BaryonWeight 904 Baryon[4][2][0][0] = 5132; BaryonWeight[4][2][0][0] *= 0.5;
899 905
900 Baryon[0][2][4][2] = 5312; BaryonWeight 906 Baryon[0][2][4][2] = 5312; BaryonWeight[0][2][4][2] = 0.5 * pspin_barion; // Xi_b-'
901 Baryon[0][4][2][2] = 5312; BaryonWeight 907 Baryon[0][4][2][2] = 5312; BaryonWeight[0][4][2][2] = 0.5 * pspin_barion;
902 Baryon[2][0][4][2] = 5312; BaryonWeight 908 Baryon[2][0][4][2] = 5312; BaryonWeight[2][0][4][2] = 0.5 * pspin_barion;
903 Baryon[2][4][0][2] = 5312; BaryonWeight 909 Baryon[2][4][0][2] = 5312; BaryonWeight[2][4][0][2] = 0.5 * pspin_barion;
904 Baryon[4][0][2][2] = 5312; BaryonWeight 910 Baryon[4][0][2][2] = 5312; BaryonWeight[4][0][2][2] = 0.5 * pspin_barion;
905 Baryon[4][2][0][2] = 5312; BaryonWeight 911 Baryon[4][2][0][2] = 5312; BaryonWeight[4][2][0][2] = 0.5 * pspin_barion;
906 912
907 for (G4int i=0; i<5; i++) 913 for (G4int i=0; i<5; i++)
908 { for (G4int j=0; j<5; j++) 914 { for (G4int j=0; j<5; j++)
909 { for (G4int k=0; k<5; k++) 915 { for (G4int k=0; k<5; k++)
910 { for (G4int l=0; l<4; l++) 916 { for (G4int l=0; l<4; l++)
911 { 917 {
912 G4ParticleDefinition * Te 918 G4ParticleDefinition * TestHadron=
913 G4ParticleTable::GetPar 919 G4ParticleTable::GetParticleTable()->FindParticle(Baryon[i][j][k][l]);
914 /* 920 /*
915 G4cout<<i<<" "<<j<<" "<<k 921 G4cout<<i<<" "<<j<<" "<<k<<" "<<l<<" "<<Baryon[i][j][k][l]<<" "<<TestHadron<<" "<<BaryonWeight[i][j][k][l];
916 if (TestHadron != nullptr 922 if (TestHadron != nullptr) G4cout<<" "<<TestHadron->GetParticleName();
917 if ((TestHadron == nullpt 923 if ((TestHadron == nullptr)&&(Baryon[i][j][k][l] != 0)) G4cout<<" *****";
918 if ((TestHadron == nullpt 924 if ((TestHadron == nullptr)&&(Baryon[i][j][k][l] == 0)) G4cout<<" ---------------";
919 G4cout<<G4endl; 925 G4cout<<G4endl;
920 */ 926 */
921 if ((TestHadron == nullpt 927 if ((TestHadron == nullptr)&&(Baryon[i][j][k][l] != 0)) Baryon[i][j][k][l] = 0;
922 } 928 }
923 } 929 }
924 } 930 }
925 } 931 }
926 932
927 // --------- Probabilities of q-qbar pair 933 // --------- Probabilities of q-qbar pair productions for kink or gluons.
928 G4double ProbUUbar = 0.33; 934 G4double ProbUUbar = 0.33;
929 Prob_QQbar[0]=ProbUUbar; // Probab 935 Prob_QQbar[0]=ProbUUbar; // Probability of ddbar production
930 Prob_QQbar[1]=ProbUUbar; // Probab 936 Prob_QQbar[1]=ProbUUbar; // Probability of uubar production
931 Prob_QQbar[2]=1.0-2.*ProbUUbar; // Probab 937 Prob_QQbar[2]=1.0-2.*ProbUUbar; // Probability of ssbar production
932 Prob_QQbar[3]=0.0; // Probab 938 Prob_QQbar[3]=0.0; // Probability of ccbar production
933 Prob_QQbar[4]=0.0; // Probab 939 Prob_QQbar[4]=0.0; // Probability of bbbar production
934 940
935 for ( G4int i=0 ; i<350 ; i++ ) { // Must 941 for ( G4int i=0 ; i<350 ; i++ ) { // Must be checked
936 FS_LeftHadron[i] = 0; 942 FS_LeftHadron[i] = 0;
937 FS_RightHadron[i] = 0; 943 FS_RightHadron[i] = 0;
938 FS_Weight[i] = 0.0; 944 FS_Weight[i] = 0.0;
939 } 945 }
940 946
941 NumberOf_FS = 0; 947 NumberOf_FS = 0;
942 } 948 }
943 949
944 // ------------------------------------------- 950 // --------------------------------------------------------------
945 951
946 void G4VLongitudinalStringDecay::SetMinimalStr 952 void G4VLongitudinalStringDecay::SetMinimalStringMass(const G4FragmentingString * const string)
947 { 953 {
948 //MaxMass = -350.0*GeV; 954 //MaxMass = -350.0*GeV;
949 G4double EstimatedMass=MaxMass; 955 G4double EstimatedMass=MaxMass;
950 956
951 G4ParticleDefinition* LeftParton = st 957 G4ParticleDefinition* LeftParton = string->GetLeftParton();
952 G4ParticleDefinition* RightParton = st 958 G4ParticleDefinition* RightParton = string->GetRightParton();
953 if( LeftParton->GetParticleSubType() = 959 if( LeftParton->GetParticleSubType() == RightParton->GetParticleSubType() ) { // q qbar, qq qqbar
954 if( LeftParton->GetPDGEncoding() * R 960 if( LeftParton->GetPDGEncoding() * RightParton->GetPDGEncoding() > 0 ) {
955 // Not allowed combination of the 961 // Not allowed combination of the partons
956 throw G4HadronicException(__FILE__ 962 throw G4HadronicException(__FILE__, __LINE__,
957 "G4VLongitudinalStringDecay::Set 963 "G4VLongitudinalStringDecay::SetMinimalStringMass: Illegal quark content as input");
958 } 964 }
959 } 965 }
960 if( LeftParton->GetParticleSubType() ! 966 if( LeftParton->GetParticleSubType() != RightParton->GetParticleSubType() ) { // q qq, qbar qqbar
961 if( LeftParton->GetPDGEncoding() * R 967 if( LeftParton->GetPDGEncoding() * RightParton->GetPDGEncoding() < 0 ) {
962 // Not allowed combination of the 968 // Not allowed combination of the partons
963 throw G4HadronicException(__FILE__ 969 throw G4HadronicException(__FILE__, __LINE__,
964 "G4VLongitudinalStringDecay::Set 970 "G4VLongitudinalStringDecay::SetMinimalStringMass: Illegal quark content as input");
965 } 971 }
966 } 972 }
967 973
968 G4int Qleft =std::abs(string->GetLeftP 974 G4int Qleft =std::abs(string->GetLeftParton()->GetPDGEncoding());
969 G4int Qright=std::abs(string->GetRight 975 G4int Qright=std::abs(string->GetRightParton()->GetPDGEncoding());
970 976
971 if ((Qleft < 6) && (Qright < 6)) { / 977 if ((Qleft < 6) && (Qright < 6)) { // Q-Qbar string
972 EstimatedMass=minMassQQbarStr[Qleft- 978 EstimatedMass=minMassQQbarStr[Qleft-1][Qright-1];
973 MinimalStringMass=EstimatedMass; 979 MinimalStringMass=EstimatedMass;
974 SetMinimalStringMass2(EstimatedMass) 980 SetMinimalStringMass2(EstimatedMass);
975 return; 981 return;
976 } 982 }
977 983
978 if ((Qleft < 6) && (Qright > 1000)) { 984 if ((Qleft < 6) && (Qright > 1000)) { // Q - DiQ string
979 G4int q1=Qright/1000; 985 G4int q1=Qright/1000;
980 G4int q2=(Qright/100)%10; 986 G4int q2=(Qright/100)%10;
981 EstimatedMass=minMassQDiQStr[Qleft-1 987 EstimatedMass=minMassQDiQStr[Qleft-1][q1-1][q2-1];
982 MinimalStringMass=EstimatedMass; 988 MinimalStringMass=EstimatedMass; // It can be negative!
983 SetMinimalStringMass2(EstimatedMass) 989 SetMinimalStringMass2(EstimatedMass);
984 return; 990 return;
985 } 991 }
986 992
987 if ((Qleft > 1000) && (Qright < 6)) { 993 if ((Qleft > 1000) && (Qright < 6)) { // DiQ - Q string 6 6 6
988 G4int q1=Qleft/1000; 994 G4int q1=Qleft/1000;
989 G4int q2=(Qleft/100)%10; 995 G4int q2=(Qleft/100)%10;
990 EstimatedMass=minMassQDiQStr[Qright- 996 EstimatedMass=minMassQDiQStr[Qright-1][q1-1][q2-1];
991 MinimalStringMass=EstimatedMass; 997 MinimalStringMass=EstimatedMass; // It can be negative!
992 SetMinimalStringMass2(EstimatedMass) 998 SetMinimalStringMass2(EstimatedMass);
993 return; 999 return;
994 } 1000 }
995 1001
996 // DiQuark - Anti DiQuark string ----- 1002 // DiQuark - Anti DiQuark string -----------------
997 1003
998 G4double StringM=string->Get4Momentum().mag( 1004 G4double StringM=string->Get4Momentum().mag();
999 1005
1000 #ifdef debug_LUNDfragmentation 1006 #ifdef debug_LUNDfragmentation
1001 // G4cout<<"MinStringMass// Input Str 1007 // G4cout<<"MinStringMass// Input String mass "<<string->Get4Momentum().mag()<<" Qleft "<<Qleft<<G4endl;
1002 #endif 1008 #endif
1003 1009
1004 G4int q1= Qleft/1000 ; 1010 G4int q1= Qleft/1000 ;
1005 G4int q2=(Qleft/100)%10 ; 1011 G4int q2=(Qleft/100)%10 ;
1006 1012
1007 G4int q3= Qright/1000 ; 1013 G4int q3= Qright/1000 ;
1008 G4int q4=(Qright/100)%10; 1014 G4int q4=(Qright/100)%10;
1009 1015
1010 // -------------- 2 baryon production 1016 // -------------- 2 baryon production or 2 mesons production --------
1011 1017
1012 G4double EstimatedMass1 = minMassQDiQ 1018 G4double EstimatedMass1 = minMassQDiQStr[q1-1][q2-1][0];
1013 G4double EstimatedMass2 = minMassQDiQ 1019 G4double EstimatedMass2 = minMassQDiQStr[q3-1][q4-1][0];
1014 // Mass is negative if there is no co 1020 // Mass is negative if there is no corresponding particle.
1015 1021
1016 if ( (EstimatedMass1 > 0.) && (Estima 1022 if ( (EstimatedMass1 > 0.) && (EstimatedMass2 > 0.)) {
1017 EstimatedMass = EstimatedMass1 + E 1023 EstimatedMass = EstimatedMass1 + EstimatedMass2;
1018 if ( StringM > EstimatedMass ) { 1024 if ( StringM > EstimatedMass ) { // 2 baryon production is possible.
1019 MinimalStringMass=EstimatedMass 1025 MinimalStringMass=EstimatedMass1 + EstimatedMass2;
1020 SetMinimalStringMass2(Estimated 1026 SetMinimalStringMass2(EstimatedMass);
1021 return; 1027 return;
1022 } 1028 }
1023 } 1029 }
1024 1030
1025 if ( (EstimatedMass1 < 0.) && (Estima 1031 if ( (EstimatedMass1 < 0.) && (EstimatedMass2 > 0.)) {
1026 EstimatedMass = MaxMass; 1032 EstimatedMass = MaxMass;
1027 MinimalStringMass=EstimatedMass; 1033 MinimalStringMass=EstimatedMass;
1028 SetMinimalStringMass2(EstimatedMas 1034 SetMinimalStringMass2(EstimatedMass);
1029 return; 1035 return;
1030 } 1036 }
1031 1037
1032 if ( (EstimatedMass1 > 0.) && (Estima 1038 if ( (EstimatedMass1 > 0.) && (EstimatedMass2 < 0.)) {
1033 EstimatedMass = EstimatedMass1; 1039 EstimatedMass = EstimatedMass1;
1034 MinimalStringMass=EstimatedMass; 1040 MinimalStringMass=EstimatedMass;
1035 SetMinimalStringMass2(EstimatedMas 1041 SetMinimalStringMass2(EstimatedMass);
1036 return; 1042 return;
1037 } 1043 }
1038 1044
1039 // if ( EstimatedMass >= StringM 1045 // if ( EstimatedMass >= StringM ) {
1040 // ------------- Re-orangement ------ 1046 // ------------- Re-orangement ---------------
1041 EstimatedMass=std::min(minMassQQbarSt 1047 EstimatedMass=std::min(minMassQQbarStr[q1-1][q3-1] + minMassQQbarStr[q2-1][q4-1],
1042 minMassQQbarSt 1048 minMassQQbarStr[q1-1][q4-1] + minMassQQbarStr[q2-1][q3-1]);
1043 1049
1044 // In principle, re-arrangement and 2 1050 // In principle, re-arrangement and 2 baryon production can compete.
1045 // More physics consideration is need 1051 // More physics consideration is needed.
1046 1052
1047 MinimalStringMass=EstimatedMass; 1053 MinimalStringMass=EstimatedMass;
1048 SetMinimalStringMass2(EstimatedMass); 1054 SetMinimalStringMass2(EstimatedMass);
1049 1055
1050 return; 1056 return;
1051 } 1057 }
1052 1058
1053 //------------------------------------------- 1059 //--------------------------------------------------------------------------------------
1054 1060
1055 void G4VLongitudinalStringDecay::SetMinimalSt 1061 void G4VLongitudinalStringDecay::SetMinimalStringMass2(const G4double aValue)
1056 { 1062 {
1057 MinimalStringMass2=aValue * aValue; 1063 MinimalStringMass2=aValue * aValue;
1058 } 1064 }
1059 1065
1060 1066