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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" <<
59 <<
60 //------------------------debug switches 58 //------------------------debug switches
61 //#define debug_VStringDecay 59 //#define debug_VStringDecay
62 //#define debug_heavyHadrons <<
63 60
64 //******************************************** << 61 //********************************************************************************
65 // Constructors 62 // Constructors
66 63
67 G4VLongitudinalStringDecay::G4VLongitudinalStr << 64 G4VLongitudinalStringDecay::G4VLongitudinalStringDecay() : ProbCCbar(0.0), ProbBBbar(0.0)
68 : G4HadronicInteraction(name), ProbCCbar(0.0 <<
69 { 65 {
70 MassCut = 210.0*MeV; // Mpi + Delta 66 MassCut = 210.0*MeV; // Mpi + Delta
71 67
72 StringLoopInterrupt = 1000; 68 StringLoopInterrupt = 1000;
73 ClusterLoopInterrupt = 500; 69 ClusterLoopInterrupt = 500;
74 70
75 // Changable Parameters below. 71 // Changable Parameters below.
76 SigmaQT = 0.5 * GeV; 72 SigmaQT = 0.5 * GeV;
77 73
78 StrangeSuppress = 0.44; // =0.27/2.27 s << 74 StrangeSuppress = 0.44; // =0.27/2.27 suppresion of strange quark pait prodution, ie. u:d:s=1:1:0.27
79 DiquarkSuppress = 0.07; // Probability 75 DiquarkSuppress = 0.07; // Probability of qq-qqbar pair production
80 DiquarkBreakProb = 0.1; // Probability 76 DiquarkBreakProb = 0.1; // Probability of (qq)->h+(qq)'
81 77
82 //... pspin_meson is probability to create 78 //... pspin_meson is probability to create pseudo-scalar meson
83 pspin_meson.resize(3); << 79 pspin_meson = 0.5;
84 pspin_meson[0] = 0.5; // u or d + anti-u o << 80
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 81 //... pspin_barion is probability to create 1/2 barion
89 pspin_barion = 0.5; 82 pspin_barion = 0.5;
90 83
91 //... vectorMesonMix[] is quark mixing para 84 //... vectorMesonMix[] is quark mixing parameters for vector mesons (Variable spin = 3)
92 vectorMesonMix.resize(6); 85 vectorMesonMix.resize(6);
93 vectorMesonMix[0] = 0.0; 86 vectorMesonMix[0] = 0.0;
94 vectorMesonMix[1] = 0.5; << 87 vectorMesonMix[1] = 0.375;
95 vectorMesonMix[2] = 0.0; 88 vectorMesonMix[2] = 0.0;
96 vectorMesonMix[3] = 0.5; << 89 vectorMesonMix[3] = 0.375;
97 vectorMesonMix[4] = 1.0; 90 vectorMesonMix[4] = 1.0;
98 vectorMesonMix[5] = 1.0; 91 vectorMesonMix[5] = 1.0;
99 92
100 //... scalarMesonMix[] is quark mixing para 93 //... scalarMesonMix[] is quark mixing parameters for scalar mesons (Variable spin=1)
101 scalarMesonMix.resize(6); 94 scalarMesonMix.resize(6);
102 scalarMesonMix[0] = 0.5; 95 scalarMesonMix[0] = 0.5;
103 scalarMesonMix[1] = 0.25; 96 scalarMesonMix[1] = 0.25;
104 scalarMesonMix[2] = 0.5; 97 scalarMesonMix[2] = 0.5;
105 scalarMesonMix[3] = 0.25; 98 scalarMesonMix[3] = 0.25;
106 scalarMesonMix[4] = 1.0; 99 scalarMesonMix[4] = 1.0;
107 scalarMesonMix[5] = 0.5; 100 scalarMesonMix[5] = 0.5;
108 101
109 SetProbCCbar(0.0); // Probability of CCbar << 102 // For the time being, set to 0.0 the probabilities for c-cbar and b-bbar creation.
>> 103 SetProbCCbar(0.0); //SetProbCCbar(0.43e-11); // Probability of CCbar pair creation
>> 104 //Pythia8 and Pythia 6.4 Comp. Phys. Commun. 191 (2015) 159; arXiv:1410.3012
110 SetProbEta_c(0.1); // Mixing of Eta_c and 105 SetProbEta_c(0.1); // Mixing of Eta_c and J/Psi
111 SetProbBBbar(0.0); // Probability of BBbar << 106 SetProbBBbar(0.0); // Probability of BBbar pair creation,
112 SetProbEta_b(0.0); // Mixing of Eta_b and << 107 SetProbEta_b(0.0); // Mixing of Eta_b and Ipsilon_b
113 108
114 // Parameters may be changed until the firs 109 // Parameters may be changed until the first fragmentation starts
115 PastInitPhase=false; 110 PastInitPhase=false;
116 hadronizer = new G4HadronBuilder( pspin_mes << 111 hadronizer = new G4HadronBuilder(pspin_meson,pspin_barion,
117 ProbEta_c << 112 scalarMesonMix,vectorMesonMix,
>> 113 ProbEta_c, ProbEta_b);
118 114
119 MaxMass=-350.0*GeV; // If there will be a 115 MaxMass=-350.0*GeV; // If there will be a particle with mass larger than Higgs the value must be changed.
120 116
121 SetMinMasses(); // Re-calculation of minim 117 SetMinMasses(); // Re-calculation of minimal mass of strings and weights of particles in 2-part. decays
122 118
123 Kappa = 1.0 * GeV/fermi; 119 Kappa = 1.0 * GeV/fermi;
124 DecayQuark = NewQuark = 0; <<
125 } 120 }
126 121
>> 122
127 G4VLongitudinalStringDecay::~G4VLongitudinalSt 123 G4VLongitudinalStringDecay::~G4VLongitudinalStringDecay()
128 { 124 {
129 delete hadronizer; 125 delete hadronizer;
130 } 126 }
131 127
132 G4HadFinalState* << 128 //=============================================================================
133 G4VLongitudinalStringDecay::ApplyYourself(cons << 129
>> 130 // Operators
>> 131
>> 132 //-----------------------------------------------------------------------------
>> 133
>> 134 G4bool G4VLongitudinalStringDecay::operator==(const G4VLongitudinalStringDecay &) const
134 { 135 {
135 return nullptr; << 136 throw G4HadronicException(__FILE__, __LINE__, "G4VLongitudinalStringDecay::operator== forbidden");
>> 137 return false;
136 } 138 }
137 139
138 //============================================ << 140 //-------------------------------------------------------------------------------------
>> 141
>> 142 G4bool G4VLongitudinalStringDecay::operator!=(const G4VLongitudinalStringDecay &) const
>> 143 {
>> 144 throw G4HadronicException(__FILE__, __LINE__, "G4VLongitudinalStringDecay::operator!= forbidden");
>> 145 return true;
>> 146 }
>> 147
>> 148 //***********************************************************************************
139 149
140 // For changing Mass Cut used for selection of 150 // For changing Mass Cut used for selection of very small mass strings
141 void G4VLongitudinalStringDecay::SetMassCut(G4 << 151 void G4VLongitudinalStringDecay::SetMassCut(G4double aValue){ MassCut=aValue; }
142 G4double G4VLongitudinalStringDecay::GetMassCu 152 G4double G4VLongitudinalStringDecay::GetMassCut() { return MassCut; }
143 153
144 //-------------------------------------------- 154 //-----------------------------------------------------------------------------
145 155
146 // For handling a string with very low mass 156 // For handling a string with very low mass
147 157
148 G4KineticTrackVector* G4VLongitudinalStringDec 158 G4KineticTrackVector* G4VLongitudinalStringDecay::ProduceOneHadron(const G4ExcitedString * const string)
149 { 159 {
150 G4KineticTrackVector* result = nullptr << 160 // Check string decay threshold
151 pDefPair hadrons( nullptr, nullptr ); << 161 G4KineticTrackVector * result=0; // return 0 when string exceeds the mass cut
152 G4FragmentingString aString( *string ) << 162
>> 163 pDefPair hadrons((G4ParticleDefinition *)0,(G4ParticleDefinition *)0);
>> 164
>> 165 G4FragmentingString aString(*string);
153 166
154 #ifdef debug_VStringDecay 167 #ifdef debug_VStringDecay
155 G4cout<<"G4VLongitudinalStringDecay::P 168 G4cout<<"G4VLongitudinalStringDecay::ProduceOneHadron: PossibleHmass StrMass "
156 <<aString.Mass()<<" MassCut "<<M 169 <<aString.Mass()<<" MassCut "<<MassCut<<G4endl;
>> 170 G4cout<<"G4VLongitudinalStringDecay::ProduceOneHadron: PossibleHmass StrMass WWW "
>> 171 <<aString.Mass()<<G4endl;
157 #endif 172 #endif
>> 173
>> 174 if ( sqr(PossibleHadronMass(&aString,0,&hadrons)+MassCut) < aString.Mass2()) {
>> 175 return 0;
>> 176 }
>> 177
>> 178 // The string mass has low mass---------------------------
>> 179
>> 180 result=new G4KineticTrackVector;
158 181
159 SetMinimalStringMass( &aString ); << 182 if ( hadrons.second ==0 )
160 PossibleHadronMass( &aString, 0, &hadr << 183 {
161 result = new G4KineticTrackVector; <<
162 if ( hadrons.first != nullptr ) { <<
163 if ( hadrons.second == nullptr ) { <<
164 // Substitute string by light h 184 // Substitute string by light hadron, Note that Energy is not conserved here!
165 185
166 #ifdef debug_VStringDecay 186 #ifdef debug_VStringDecay
167 G4cout << "VlongSD Warning repl << 187 G4cout << "VlongSF Warning replacing string by single hadron (G4VLongitudinalStringDecay)" <<G4endl;
168 G4cout << hadrons.first->GetPar << 188 G4cout << hadrons.first->GetParticleName()<<G4endl
169 << "string .. " << strin << 189 << "string .. " << string->Get4Momentum() << " "
170 << string->Get4Momentum( << 190 << string->Get4Momentum().m() << G4endl;
171 #endif << 191 #endif
172 192
173 G4ThreeVector Mom3 = string-> 193 G4ThreeVector Mom3 = string->Get4Momentum().vect();
174 G4LorentzVector Mom( Mom3, std: << 194 G4LorentzVector Mom( Mom3, std::sqrt( Mom3.mag2() + sqr(hadrons.first->GetPDGMass())) );
175 result->push_back( new G4Kineti 195 result->push_back( new G4KineticTrack( hadrons.first, 0, string->GetPosition(), Mom ) );
176 } else { << 196 } else
>> 197 {
>> 198 // I do not know if this part work?
177 //... string was qq--qqbar type 199 //... string was qq--qqbar type: Build two stable hadrons,
178 200
179 #ifdef debug_VStringDecay 201 #ifdef debug_VStringDecay
180 G4cout << "VlongSD Warning repl << 202 G4cout << "VlongSF Warning replacing qq-qqbar string by TWO hadrons (G4VLongitudinalStringDecay)"
181 << hadrons.first->GetPar << 203 << hadrons.first->GetParticleName() << " / "
182 << hadrons.second->GetPa << 204 << hadrons.second->GetParticleName()
183 << "string .. " << strin << 205 << "string .. " << string->Get4Momentum() << " "
184 << string->Get4Momentum( << 206 << string->Get4Momentum().m() << G4endl;
185 #endif 207 #endif
186 208
187 G4LorentzVector Mom1, Mom2; << 209 G4LorentzVector Mom1, Mom2;
188 Sample4Momentum( &Mom1, hadrons << 210 Sample4Momentum(&Mom1, hadrons.first->GetPDGMass(),
189 &Mom2, hadrons << 211 &Mom2,hadrons.second->GetPDGMass(),
190 string->Get4Mo << 212 string->Get4Momentum().mag());
191 213
192 result->push_back( new G4Kineti << 214 result->push_back( new G4KineticTrack( hadrons.first, 0, string->GetPosition(), Mom1 ) );
193 result->push_back( new G4Kineti << 215 result->push_back( new G4KineticTrack( hadrons.second, 0, string->GetPosition(), Mom2) );
194 216
195 G4ThreeVector Velocity = string 217 G4ThreeVector Velocity = string->Get4Momentum().boostVector();
196 result->Boost(Velocity); 218 result->Boost(Velocity);
197 } << 219 }
198 } << 220
199 return result; << 221 return result;
200 } 222 }
201 223
202 //-------------------------------------------- 224 //----------------------------------------------------------------------------------------
203 225
204 G4double G4VLongitudinalStringDecay::PossibleH 226 G4double G4VLongitudinalStringDecay::PossibleHadronMass( const G4FragmentingString * const string,
205 227 Pcreate build, pDefPair * pdefs )
206 { 228 {
207 G4double mass = 0.0; << 229 G4double mass;
208 230
209 if ( build==0 ) build=&G4HadronBuilder::Buil 231 if ( build==0 ) build=&G4HadronBuilder::BuildLowSpin;
210 232
211 G4ParticleDefinition* Hadron1 = nullpt << 233 G4ParticleDefinition *Hadron1, *Hadron2=0;
212 G4ParticleDefinition* Hadron2 = nullptr; <<
213 234
214 if (!string->IsAFourQuarkString() ) 235 if (!string->IsAFourQuarkString() )
215 { 236 {
216 // spin 0 meson or spin 1/2 barion 237 // spin 0 meson or spin 1/2 barion will be built
217 238
218 Hadron1 = (hadronizer->*build)(stri 239 Hadron1 = (hadronizer->*build)(string->GetLeftParton(), string->GetRightParton());
219 #ifdef debug_VStringDecay 240 #ifdef debug_VStringDecay
220 G4cout<<"VlongSD PossibleHadronMass"<<G4e << 241 G4cout<<"VlongSF Quarks at the string ends "<<string->GetLeftParton()->GetParticleName()
221 G4cout<<"VlongSD Quarks at the stri <<
222 <<" "<<string->GetRightParton 242 <<" "<<string->GetRightParton()->GetParticleName()<<G4endl;
223 if ( Hadron1 != nullptr) { << 243 if ( Hadron1 != NULL) {
224 G4cout<<"(G4VLongitudinalStringDe 244 G4cout<<"(G4VLongitudinalStringDecay) Hadron "<<Hadron1->GetParticleName()
225 <<" "<<Hadron1->GetPDGMass( 245 <<" "<<Hadron1->GetPDGMass()<<G4endl;
226 } 246 }
227 #endif 247 #endif
228 if ( Hadron1 != nullptr) { mass = ( << 248 if ( Hadron1 != NULL) { mass = (Hadron1)->GetPDGMass();}
229 else { mass = MaxM 249 else { mass = MaxMass;}
230 } else 250 } else
231 { 251 {
232 //... string is qq--qqbar: Build tw 252 //... string is qq--qqbar: Build two stable hadrons,
>> 253 //... with extra uubar or ddbar quark pair
233 254
234 #ifdef debug_VStringDecay 255 #ifdef debug_VStringDecay
235 G4cout<<"VlongSD PossibleHadronMass << 256 G4cout<<"VlongSF string is qq--qqbar: Build two stable hadrons"<<G4endl;
236 G4cout<<"VlongSD string is qq--qqba <<
237 #endif 257 #endif
238 258
239 G4double StringMass = string->Mas << 259 G4int iflc = (G4UniformRand() < 0.5)? 1 : 2;
240 G4int cClusterInterrupt = 0; << 260 if (string->GetLeftParton()->GetPDGEncoding() < 0) iflc = -iflc;
241 do << 261
242 { << 262 //... theSpin = 4; spin 3/2 baryons will be built
243 if (cClusterInterrupt++ >= Cluste << 263 Hadron1 = (hadronizer->*build)(string->GetLeftParton(), FindParticle(iflc));
244 << 264 Hadron2 = (hadronizer->*build)(string->GetRightParton(), FindParticle(-iflc));
245 G4int LeftQuark1= string->GetLeft <<
246 G4int LeftQuark2=(string->GetLeft <<
247 <<
248 G4int RightQuark1= string->GetRig <<
249 G4int RightQuark2=(string->GetRig <<
250 <<
251 if (G4UniformRand()<0.5) { <<
252 Hadron1 =hadronizer->Build(Find <<
253 Hadron2 =hadronizer->Build(Find <<
254 } else { <<
255 Hadron1 =hadronizer->Build(Find <<
256 Hadron2 =hadronizer->Build(Find <<
257 } <<
258 //... repeat procedure, if mass o <<
259 //... ClusterMassCut = 0.15*GeV m <<
260 } <<
261 while ( Hadron1 == nullptr || Hadro <<
262 ( StringMass <= Hadron1->Ge <<
263 265
264 mass = (Hadron1)->GetPDGMass() + (Hadron2 << 266 if ( (Hadron1 != NULL) && (Hadron2 != NULL) ) { mass = (Hadron1)->GetPDGMass() + (Hadron2)->GetPDGMass();}
>> 267 else { mass = MaxMass;}
265 } 268 }
266 269
267 #ifdef debug_VStringDecay 270 #ifdef debug_VStringDecay
268 G4cout<<"VlongSD *Hadrons 1 and 2, pro << 271 G4cout<<"VlongSF *Hadrons 1 and 2, proposed mass "<<Hadron1<<" "<<Hadron2<<" "<<mass<<G4endl;
269 #endif 272 #endif
270 273
271 if ( pdefs != 0 ) 274 if ( pdefs != 0 )
272 { // need to return hadrons as well.... 275 { // need to return hadrons as well....
273 pdefs->first = Hadron1; 276 pdefs->first = Hadron1;
274 pdefs->second = Hadron2; 277 pdefs->second = Hadron2;
275 } 278 }
276 279
277 return mass; 280 return mass;
278 } 281 }
279 282
280 //-------------------------------------------- 283 //----------------------------------------------------------------------------
281 284
282 G4ParticleDefinition* G4VLongitudinalStringDec 285 G4ParticleDefinition* G4VLongitudinalStringDecay::FindParticle(G4int Encoding)
283 { 286 {
284 /* 287 /*
285 G4cout<<Encoding<<" G4VLongitudinalStringDec 288 G4cout<<Encoding<<" G4VLongitudinalStringDecay::FindParticle Check di-quarks *******************"<<G4endl;
286 for (G4int i=4; i<6;i++){ 289 for (G4int i=4; i<6;i++){
287 for (G4int j=1;j<6;j++){ 290 for (G4int j=1;j<6;j++){
288 G4cout<<i<<" "<<j<<" "; 291 G4cout<<i<<" "<<j<<" ";
289 G4int Code = 1000 * i + 100 * j +1; 292 G4int Code = 1000 * i + 100 * j +1;
290 G4ParticleDefinition* ptr1 = G4ParticleT 293 G4ParticleDefinition* ptr1 = G4ParticleTable::GetParticleTable()->FindParticle(Code);
291 Code +=2; 294 Code +=2;
292 G4ParticleDefinition* ptr2 = G4ParticleT 295 G4ParticleDefinition* ptr2 = G4ParticleTable::GetParticleTable()->FindParticle(Code);
293 G4cout<<"Code "<<Code - 2<<" ptr "<<ptr1 296 G4cout<<"Code "<<Code - 2<<" ptr "<<ptr1<<" :: Code "<<Code<<" ptr "<<ptr2<<G4endl;
294 } 297 }
295 G4cout<<G4endl; 298 G4cout<<G4endl;
296 } 299 }
297 */ 300 */
298 301
299 G4ParticleDefinition* ptr = G4ParticleTable: 302 G4ParticleDefinition* ptr = G4ParticleTable::GetParticleTable()->FindParticle(Encoding);
300 303
301 if (ptr == nullptr) << 304 if (ptr == NULL)
302 { 305 {
303 for (size_t i=0; i < NewParticles.size(); 306 for (size_t i=0; i < NewParticles.size(); i++)
304 { 307 {
305 if ( Encoding == NewParticles[i]->GetPD 308 if ( Encoding == NewParticles[i]->GetPDGEncoding() ) { ptr = NewParticles[i]; return ptr;}
306 } 309 }
307 } 310 }
308 311
309 return ptr; 312 return ptr;
310 } 313 }
311 314
312 //******************************************** 315 //*********************************************************************************
313 // For decision on continue or stop string f 316 // For decision on continue or stop string fragmentation
314 // virtual G4bool StopFragmenting(const G4Fr 317 // virtual G4bool StopFragmenting(const G4FragmentingString * const string)=0;
315 // virtual G4bool IsItFragmentable(const G4F 318 // virtual G4bool IsItFragmentable(const G4FragmentingString * const string)=0;
316 // 319 //
317 // If a string can not fragment, make last b 320 // If a string can not fragment, make last break into 2 hadrons
318 // virtual G4bool SplitLast(G4FragmentingStr 321 // virtual G4bool SplitLast(G4FragmentingString * string,
319 // G4KineticTrackVe 322 // G4KineticTrackVector * LeftVector,
320 // G4KineticTrackVe 323 // G4KineticTrackVector * RightVector)=0;
321 //-------------------------------------------- 324 //-----------------------------------------------------------------------------
322 // 325 //
323 // If a string can fragment, do the followin 326 // If a string can fragment, do the following
324 // 327 //
325 // For transver of a string to its CMS frame 328 // For transver of a string to its CMS frame
326 //-------------------------------------------- 329 //-----------------------------------------------------------------------------
327 330
328 G4ExcitedString *G4VLongitudinalStringDecay::C 331 G4ExcitedString *G4VLongitudinalStringDecay::CopyExcited(const G4ExcitedString & in)
329 { 332 {
330 G4Parton *Left=new G4Parton(*in.GetLeftParto 333 G4Parton *Left=new G4Parton(*in.GetLeftParton());
331 G4Parton *Right=new G4Parton(*in.GetRightPar 334 G4Parton *Right=new G4Parton(*in.GetRightParton());
332 return new G4ExcitedString(Left,Right,in.Get 335 return new G4ExcitedString(Left,Right,in.GetDirection());
333 } 336 }
334 337
335 //-------------------------------------------- 338 //-----------------------------------------------------------------------------
336 339
337 G4ParticleDefinition * G4VLongitudinalStringDe 340 G4ParticleDefinition * G4VLongitudinalStringDecay::QuarkSplitup( G4ParticleDefinition* decay,
338 341 G4ParticleDefinition *&created )
339 { 342 {
340 #ifdef debug_VStringDecay 343 #ifdef debug_VStringDecay
341 G4cout<<"VlongSD QuarkSplitup: quark ID "<< << 344 G4cout<<"VlongSF QuarkSplitup: quark ID "<<decay->GetPDGEncoding()<<G4endl;
342 #endif 345 #endif
343 << 346
344 G4int IsParticle=(decay->GetPDGEncoding()>0 347 G4int IsParticle=(decay->GetPDGEncoding()>0) ? -1 : +1; // if we have a quark, we need antiquark (or diquark)
345 348
346 pDefPair QuarkPair = CreatePartonPair(IsPar 349 pDefPair QuarkPair = CreatePartonPair(IsParticle);
347 created = QuarkPair.second; 350 created = QuarkPair.second;
348 351
349 DecayQuark = decay->GetPDGEncoding(); 352 DecayQuark = decay->GetPDGEncoding();
350 NewQuark = created->GetPDGEncoding(); 353 NewQuark = created->GetPDGEncoding();
351 354
352 #ifdef debug_VStringDecay 355 #ifdef debug_VStringDecay
353 G4cout<<"VlongSD QuarkSplitup: "<<decay->Ge << 356 G4cout<<"VlongSF QuarkSplitup: "<<decay->GetPDGEncoding()<<" -> "<<QuarkPair.second->GetPDGEncoding()<<G4endl;
354 G4cout<<"hadronizer->Build(QuarkPair.first, 357 G4cout<<"hadronizer->Build(QuarkPair.first, decay)"<<G4endl;
355 #endif 358 #endif
356 <<
357 return hadronizer->Build(QuarkPair.first, d 359 return hadronizer->Build(QuarkPair.first, decay);
358 } 360 }
359 361
360 //-------------------------------------------- 362 //-----------------------------------------------------------------------------
361 363
362 G4VLongitudinalStringDecay::pDefPair G4VLongit 364 G4VLongitudinalStringDecay::pDefPair G4VLongitudinalStringDecay::
363 CreatePartonPair(G4int NeedParticle,G4bool All 365 CreatePartonPair(G4int NeedParticle,G4bool AllowDiquarks)
364 { 366 {
365 // NeedParticle = +1 for Particle, -1 for 367 // NeedParticle = +1 for Particle, -1 for Antiparticle
366 if ( AllowDiquarks && G4UniformRand() < Di 368 if ( AllowDiquarks && G4UniformRand() < DiquarkSuppress )
367 { 369 {
368 // Create a Diquark - AntiDiquark pair , 370 // Create a Diquark - AntiDiquark pair , first in pair is anti to IsParticle
369 #ifdef debug_VStringDecay 371 #ifdef debug_VStringDecay
370 G4cout<<"VlongSD Create a Diquark - Anti << 372 G4cout<<"VlongSF Create a Diquark - AntiDiquark pair"<<G4endl;
371 #endif 373 #endif
372 G4int q1(0), q2(0), spin(0), PDGcode(0); 374 G4int q1(0), q2(0), spin(0), PDGcode(0);
373 375
374 q1 = SampleQuarkFlavor(); 376 q1 = SampleQuarkFlavor();
375 q2 = SampleQuarkFlavor(); 377 q2 = SampleQuarkFlavor();
376 378
377 spin = (q1 != q2 && G4UniformRand() <= 0 379 spin = (q1 != q2 && G4UniformRand() <= 0.5)? 1 : 3;
378 // conv 380 // convention: quark with higher PDG number is first
379 PDGcode = (std::max(q1,q2) * 1000 + std: 381 PDGcode = (std::max(q1,q2) * 1000 + std::min(q1,q2) * 100 + spin) * NeedParticle;
380 382
381 return pDefPair (FindParticle(-PDGcode), 383 return pDefPair (FindParticle(-PDGcode),FindParticle(PDGcode));
382 384
383 } else { 385 } else {
384 // Create a Quark - AntiQuark pair, firs 386 // Create a Quark - AntiQuark pair, first in pair IsParticle
385 #ifdef debug_VStringDecay 387 #ifdef debug_VStringDecay
386 G4cout<<"VlongSD Create a Quark - AntiQu << 388 G4cout<<"VlongSF Create a Quark - AntiQuark pair"<<G4endl;
387 #endif 389 #endif
388 G4int PDGcode=SampleQuarkFlavor()*NeedPa 390 G4int PDGcode=SampleQuarkFlavor()*NeedParticle;
389 return pDefPair (FindParticle(PDGcode),F 391 return pDefPair (FindParticle(PDGcode),FindParticle(-PDGcode));
390 } 392 }
391 } 393 }
392 394
393 //-------------------------------------------- 395 //-----------------------------------------------------------------------------
394 396
395 G4int G4VLongitudinalStringDecay::SampleQuarkF 397 G4int G4VLongitudinalStringDecay::SampleQuarkFlavor(void)
396 { 398 {
397 G4int quark(1); 399 G4int quark(1);
398 G4double ksi = G4UniformRand(); 400 G4double ksi = G4UniformRand();
399 if ( ksi < ProbCB ) { 401 if ( ksi < ProbCB ) {
400 if ( ksi < ProbCCbar ) {quark = 4;} // 402 if ( ksi < ProbCCbar ) {quark = 4;} // c quark
401 else {quark = 5;} // 403 else {quark = 5;} // b quark
402 #ifdef debug_heavyHadrons <<
403 G4cout << "G4VLongitudinalStringDecay::S <<
404 << quark << G4endl; <<
405 #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<<"VlongSF 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 Pt = -G4Log(G4RandFlat::shoot(G4Exp(-sqr(ptMax)/sqr(SigmaQT)), 1.));
427 G4double ymin = (q > 20.) ? 0.0 : G4Exp( <<
428 Pt = -G4Log(G4RandFlat::shoot(ymin, 1.)) <<
429 } 425 }
430 Pt = SigmaQT * std::sqrt(Pt); 426 Pt = SigmaQT * std::sqrt(Pt);
431 G4double phi = 2.*pi*G4UniformRand(); 427 G4double phi = 2.*pi*G4UniformRand();
432 return G4ThreeVector(Pt * std::cos(phi),Pt 428 return G4ThreeVector(Pt * std::cos(phi),Pt * std::sin(phi),0);
433 } 429 }
434 430
435 //******************************************** 431 //******************************************************************************
436 432
437 void G4VLongitudinalStringDecay::CalculateHadr 433 void G4VLongitudinalStringDecay::CalculateHadronTimePosition(G4double theInitialStringMass,
438 434 G4KineticTrackVector* Hadrons)
439 { 435 {
440 // `yo-yo` formation time 436 // `yo-yo` formation time
441 // const G4double kappa = 1.0 * GeV/fermi 437 // const G4double kappa = 1.0 * GeV/fermi/4.;
442 G4double kappa = GetStringTensionParameter( 438 G4double kappa = GetStringTensionParameter();
443 for (size_t c1 = 0; c1 < Hadrons->size(); c 439 for (size_t c1 = 0; c1 < Hadrons->size(); c1++)
444 { 440 {
445 G4double SumPz = 0; 441 G4double SumPz = 0;
446 G4double SumE = 0; 442 G4double SumE = 0;
447 for (size_t c2 = 0; c2 < c1; c2++) 443 for (size_t c2 = 0; c2 < c1; c2++)
448 { 444 {
449 SumPz += Hadrons->operator[](c2)->Get 445 SumPz += Hadrons->operator[](c2)->Get4Momentum().pz();
450 SumE += Hadrons->operator[](c2)->Get 446 SumE += Hadrons->operator[](c2)->Get4Momentum().e();
451 } 447 }
452 G4double HadronE = Hadrons->operator[]( 448 G4double HadronE = Hadrons->operator[](c1)->Get4Momentum().e();
453 G4double HadronPz = Hadrons->operator[]( 449 G4double HadronPz = Hadrons->operator[](c1)->Get4Momentum().pz();
454 Hadrons->operator[](c1)->SetFormationTim 450 Hadrons->operator[](c1)->SetFormationTime(
455 (theInitialStringMass - 2.*SumPz + Had 451 (theInitialStringMass - 2.*SumPz + HadronE - HadronPz ) / (2.*kappa) / c_light );
456 G4ThreeVector aPosition( 0, 0, 452 G4ThreeVector aPosition( 0, 0,
457 (theInitialStringMass - 2.*SumE - Had 453 (theInitialStringMass - 2.*SumE - HadronE + HadronPz) / (2.*kappa) );
458 Hadrons->operator[](c1)->SetPosition(aPo 454 Hadrons->operator[](c1)->SetPosition(aPosition);
459 } 455 }
460 } 456 }
461 457
462 //-------------------------------------------- 458 //-----------------------------------------------------------------------------
463 459
464 void G4VLongitudinalStringDecay::SetSigmaTrans 460 void G4VLongitudinalStringDecay::SetSigmaTransverseMomentum(G4double aValue)
465 { 461 {
466 if ( PastInitPhase ) { 462 if ( PastInitPhase ) {
467 throw G4HadronicException(__FILE__, __LIN 463 throw G4HadronicException(__FILE__, __LINE__,
468 "G4VLongitudinalStringDecay::SetSigmaTr 464 "G4VLongitudinalStringDecay::SetSigmaTransverseMomentum after FragmentString() not allowed");
469 } else { 465 } else {
470 SigmaQT = aValue; 466 SigmaQT = aValue;
471 } 467 }
472 } 468 }
473 469
474 //-------------------------------------------- 470 //----------------------------------------------------------------------------------------------------------
475 471
476 void G4VLongitudinalStringDecay::SetStrangenes 472 void G4VLongitudinalStringDecay::SetStrangenessSuppression(G4double aValue)
477 { 473 {
478 StrangeSuppress = aValue; 474 StrangeSuppress = aValue;
479 } 475 }
480 476
481 //-------------------------------------------- 477 //----------------------------------------------------------------------------------------------------------
482 478
483 void G4VLongitudinalStringDecay::SetDiquarkSup 479 void G4VLongitudinalStringDecay::SetDiquarkSuppression(G4double aValue)
484 { 480 {
485 DiquarkSuppress = aValue; 481 DiquarkSuppress = aValue;
486 } 482 }
487 483
488 //-------------------------------------------- 484 //----------------------------------------------------------------------------------------
489 485
490 void G4VLongitudinalStringDecay::SetDiquarkBre 486 void G4VLongitudinalStringDecay::SetDiquarkBreakProbability(G4double aValue)
491 { 487 {
492 if ( PastInitPhase ) { 488 if ( PastInitPhase ) {
493 throw G4HadronicException(__FILE__, __LINE 489 throw G4HadronicException(__FILE__, __LINE__,
494 "G4VLongitudinalStringDecay::SetDiquarkB 490 "G4VLongitudinalStringDecay::SetDiquarkBreakProbability after FragmentString() not allowed");
495 } else { 491 } else {
496 DiquarkBreakProb = aValue; 492 DiquarkBreakProb = aValue;
497 } 493 }
498 } 494 }
499 495
500 //-------------------------------------------- 496 //----------------------------------------------------------------------------------------------------------
501 497
>> 498 void G4VLongitudinalStringDecay::SetVectorMesonProbability(G4double aValue)
>> 499 {
>> 500 if ( PastInitPhase ) {
>> 501 throw G4HadronicException(__FILE__, __LINE__,
>> 502 "G4VLongitudinalStringDecay::SetVectorMesonProbability after FragmentString() not allowed");
>> 503 } else {
>> 504 pspin_meson = aValue;
>> 505 delete hadronizer;
>> 506 hadronizer = new G4HadronBuilder( pspin_meson, pspin_barion, scalarMesonMix, vectorMesonMix, ProbEta_c, ProbEta_b );
>> 507 }
>> 508 }
>> 509
>> 510 //----------------------------------------------------------------------------------------------------------
>> 511
502 void G4VLongitudinalStringDecay::SetSpinThreeH 512 void G4VLongitudinalStringDecay::SetSpinThreeHalfBarionProbability(G4double aValue)
503 { 513 {
504 if ( PastInitPhase ) { 514 if ( PastInitPhase ) {
505 throw G4HadronicException(__FILE__, __LINE 515 throw G4HadronicException(__FILE__, __LINE__,
506 "G4VLongitudinalStringDecay::SetSpinThre 516 "G4VLongitudinalStringDecay::SetSpinThreeHalfBarionProbability after FragmentString() not allowed");
507 } else { 517 } else {
508 pspin_barion = aValue; 518 pspin_barion = aValue;
509 delete hadronizer; 519 delete hadronizer;
510 hadronizer = new G4HadronBuilder( pspin_me << 520 hadronizer = new G4HadronBuilder( pspin_meson, pspin_barion, scalarMesonMix, vectorMesonMix, ProbEta_c, ProbEta_b );
511 ProbEta_ <<
512 } 521 }
513 } 522 }
514 523
515 //-------------------------------------------- 524 //----------------------------------------------------------------------------------------------------------
516 525
517 void G4VLongitudinalStringDecay::SetScalarMeso 526 void G4VLongitudinalStringDecay::SetScalarMesonMixings(std::vector<G4double> aVector)
518 { 527 {
519 if ( PastInitPhase ) { 528 if ( PastInitPhase ) {
520 throw G4HadronicException(__FILE__, __LINE 529 throw G4HadronicException(__FILE__, __LINE__,
521 "G4VLongitudinalStringDecay::SetScalarMe 530 "G4VLongitudinalStringDecay::SetScalarMesonMixings after FragmentString() not allowed");
522 } else { 531 } else {
523 if ( aVector.size() < 6 ) 532 if ( aVector.size() < 6 )
524 throw G4HadronicException(__FILE__, __LI 533 throw G4HadronicException(__FILE__, __LINE__,
525 "G4VLongitudinalStringDecay::SetScalar 534 "G4VLongitudinalStringDecay::SetScalarMesonMixings( argument Vector too small");
526 scalarMesonMix[0] = aVector[0]; 535 scalarMesonMix[0] = aVector[0];
527 scalarMesonMix[1] = aVector[1]; 536 scalarMesonMix[1] = aVector[1];
528 scalarMesonMix[2] = aVector[2]; 537 scalarMesonMix[2] = aVector[2];
529 scalarMesonMix[3] = aVector[3]; 538 scalarMesonMix[3] = aVector[3];
530 scalarMesonMix[4] = aVector[4]; 539 scalarMesonMix[4] = aVector[4];
531 scalarMesonMix[5] = aVector[5]; 540 scalarMesonMix[5] = aVector[5];
532 delete hadronizer; 541 delete hadronizer;
533 hadronizer = new G4HadronBuilder( pspin_me << 542 hadronizer = new G4HadronBuilder( pspin_meson, pspin_barion, scalarMesonMix, vectorMesonMix, ProbEta_c, ProbEta_b );
534 ProbEta_ <<
535 } 543 }
536 } 544 }
537 545
538 //-------------------------------------------- 546 //----------------------------------------------------------------------------------------------------------
539 547
540 void G4VLongitudinalStringDecay::SetVectorMeso 548 void G4VLongitudinalStringDecay::SetVectorMesonMixings(std::vector<G4double> aVector)
541 { 549 {
542 if ( PastInitPhase ) { 550 if ( PastInitPhase ) {
543 throw G4HadronicException(__FILE__, __LINE 551 throw G4HadronicException(__FILE__, __LINE__,
544 "G4VLongitudinalStringDecay::SetVectorMe 552 "G4VLongitudinalStringDecay::SetVectorMesonMixings after FragmentString() not allowed");
545 } else { 553 } else {
546 if ( aVector.size() < 6 ) 554 if ( aVector.size() < 6 )
547 throw G4HadronicException(__FILE__, __LI 555 throw G4HadronicException(__FILE__, __LINE__,
548 "G4VLongitudinalStringDecay::SetVector 556 "G4VLongitudinalStringDecay::SetVectorMesonMixings( argument Vector too small");
549 vectorMesonMix[0] = aVector[0]; 557 vectorMesonMix[0] = aVector[0];
550 vectorMesonMix[1] = aVector[1]; 558 vectorMesonMix[1] = aVector[1];
551 vectorMesonMix[2] = aVector[2]; 559 vectorMesonMix[2] = aVector[2];
552 vectorMesonMix[3] = aVector[3]; 560 vectorMesonMix[3] = aVector[3];
553 vectorMesonMix[4] = aVector[4]; 561 vectorMesonMix[4] = aVector[4];
554 vectorMesonMix[5] = aVector[5]; 562 vectorMesonMix[5] = aVector[5];
555 delete hadronizer; 563 delete hadronizer;
556 hadronizer = new G4HadronBuilder( pspin_me << 564 hadronizer = new G4HadronBuilder( pspin_meson, pspin_barion, scalarMesonMix, vectorMesonMix, ProbEta_c, ProbEta_b );
557 ProbEta_ <<
558 } 565 }
559 } 566 }
560 567
561 //-------------------------------------------- 568 //-------------------------------------------------------------------------------------------
562 569
563 void G4VLongitudinalStringDecay::SetProbCCbar( 570 void G4VLongitudinalStringDecay::SetProbCCbar(G4double aValue)
564 { 571 {
565 ProbCCbar = aValue; 572 ProbCCbar = aValue;
566 ProbCB = ProbCCbar + ProbBBbar; 573 ProbCB = ProbCCbar + ProbBBbar;
567 } 574 }
568 575
569 //-------------------------------------------- 576 //-------------------------------------------------------------------------------------------
570 577
571 void G4VLongitudinalStringDecay::SetProbEta_c( 578 void G4VLongitudinalStringDecay::SetProbEta_c(G4double aValue)
572 { 579 {
573 ProbEta_c = aValue; 580 ProbEta_c = aValue;
574 } 581 }
575 582
576 //-------------------------------------------- 583 //-------------------------------------------------------------------------------------------
577 584
578 void G4VLongitudinalStringDecay::SetProbBBbar( 585 void G4VLongitudinalStringDecay::SetProbBBbar(G4double aValue)
579 { 586 {
580 ProbBBbar = aValue; 587 ProbBBbar = aValue;
581 ProbCB = ProbCCbar + ProbBBbar; 588 ProbCB = ProbCCbar + ProbBBbar;
582 } 589 }
583 590
584 //-------------------------------------------- 591 //-------------------------------------------------------------------------------------------
585 592
586 void G4VLongitudinalStringDecay::SetProbEta_b( 593 void G4VLongitudinalStringDecay::SetProbEta_b(G4double aValue)
587 { 594 {
588 ProbEta_b = aValue; 595 ProbEta_b = aValue;
589 } 596 }
590 597
591 //-------------------------------------------- 598 //-------------------------------------------------------------------------------------------
592 599
593 void G4VLongitudinalStringDecay::SetStringTens 600 void G4VLongitudinalStringDecay::SetStringTensionParameter(G4double aValue)
594 { 601 {
595 Kappa = aValue * GeV/fermi; 602 Kappa = aValue * GeV/fermi;
596 } 603 }
597 604
598 //-------------------------------------------- 605 //-----------------------------------------------------------------------
599 606
600 void G4VLongitudinalStringDecay::SetMinMasses( 607 void G4VLongitudinalStringDecay::SetMinMasses()
601 { 608 {
602 // ------ For estimation of a minimal stri 609 // ------ For estimation of a minimal string mass ---------------
603 Mass_of_light_quark =140.*MeV; 610 Mass_of_light_quark =140.*MeV;
604 Mass_of_s_quark =500.*MeV; 611 Mass_of_s_quark =500.*MeV;
605 Mass_of_c_quark =1600.*MeV; << 612 Mass_of_c_quark = 0.*MeV; // ???
606 Mass_of_b_quark =4500.*MeV; << 613 Mass_of_b_quark = 0.*MeV; // ???
607 Mass_of_string_junction=720.*MeV; 614 Mass_of_string_junction=720.*MeV;
608 615
609 // ---------------- Determination of minim 616 // ---------------- Determination of minimal mass of q-qbar strings -------------------
610 G4ParticleDefinition * hadron1; G4int C 617 G4ParticleDefinition * hadron1; G4int Code1;
611 G4ParticleDefinition * hadron2; G4int C 618 G4ParticleDefinition * hadron2; G4int Code2;
612 for (G4int i=1; i < 6; i++) { 619 for (G4int i=1; i < 6; i++) {
613 Code1 = 100*i + 10*1 + 1; 620 Code1 = 100*i + 10*1 + 1;
614 hadron1 = FindParticle(Code1); 621 hadron1 = FindParticle(Code1);
615 622
616 if (hadron1 != nullptr) { << 623 if (hadron1 != NULL) {
617 for (G4int j=1; j < 6; j++) { 624 for (G4int j=1; j < 6; j++) {
618 Code2 = 100*j + 10*1 + 1; 625 Code2 = 100*j + 10*1 + 1;
619 hadron2 = FindParticle(Code2); 626 hadron2 = FindParticle(Code2);
620 if (hadron2 != nullptr) { << 627 if (hadron2 != NULL) {
621 minMassQQbarStr[i-1][j-1] = h 628 minMassQQbarStr[i-1][j-1] = hadron1->GetPDGMass() + hadron2->GetPDGMass() + 70.0 * MeV;
622 } 629 }
623 } 630 }
624 } 631 }
625 } 632 }
626 633
627 minMassQQbarStr[1][1] = minMassQQbarStr[0] 634 minMassQQbarStr[1][1] = minMassQQbarStr[0][0]; // u-ubar = 0.5 Pi0 + 0.24 Eta + 0.25 Eta'
628 635
629 // ---------------- Determination of minim 636 // ---------------- Determination of minimal mass of qq-q strings -------------------
630 G4ParticleDefinition * hadron3; 637 G4ParticleDefinition * hadron3;
631 G4int kfla, kflb; 638 G4int kfla, kflb;
632 // MaxMass = -350.0*GeV; // If there wi 639 // MaxMass = -350.0*GeV; // If there will be a particle with mass larger than Higgs the value must be changed.
633 640
634 for (G4int i=1; i < 6; i++) { //i=1 641 for (G4int i=1; i < 6; i++) { //i=1
635 Code1 = 100*i + 10*1 + 1; 642 Code1 = 100*i + 10*1 + 1;
636 hadron1 = FindParticle(Code1); 643 hadron1 = FindParticle(Code1);
637 for (G4int j=1; j < 6; j++) { 644 for (G4int j=1; j < 6; j++) {
638 for (G4int k=1; k < 6; k++) { 645 for (G4int k=1; k < 6; k++) {
639 kfla = std::max(j,k); 646 kfla = std::max(j,k);
640 kflb = std::min(j,k); 647 kflb = std::min(j,k);
641 648
642 // Add d-quark 649 // Add d-quark
643 Code2 = 1000*kfla + 100*kflb + 650 Code2 = 1000*kfla + 100*kflb + 10*1 + 2;
644 if ( (j == 1) && (k==1)) Code2 = 1000*2 + 651 if ( (j == 1) && (k==1)) Code2 = 1000*2 + 100*1 + 10*1 + 2; // In the case - add u-quark.
645 652
646 hadron2 = G4ParticleTable::Get 653 hadron2 = G4ParticleTable::GetParticleTable()->FindParticle(Code2);
647 hadron3 = G4ParticleTable::Get 654 hadron3 = G4ParticleTable::GetParticleTable()->FindParticle(Code2 + 2);
648 655
649 if ((hadron2 == nullptr) && (h << 656 if ((hadron2 == NULL) && (hadron3 == NULL)) {minMassQDiQStr[i-1][j-1][k-1] = MaxMass; continue;};
650 657
651 if ((hadron2 != nullptr) && (h << 658 if ((hadron2 != NULL) && (hadron3 != NULL)) {
652 if (hadron2->GetPDGMass() > 659 if (hadron2->GetPDGMass() > hadron3->GetPDGMass() ) { hadron2 = hadron3; }
653 }; 660 };
654 661
655 if ((hadron2 != nullptr) && (h << 662 if ((hadron2 != NULL) && (hadron3 == NULL)) {};
656 663
657 if ((hadron2 == nullptr) && (h << 664 if ((hadron2 == NULL) && (hadron3 != NULL)) {hadron2 = hadron3;};
658 665
659 minMassQDiQStr[i-1][j-1][k-1] 666 minMassQDiQStr[i-1][j-1][k-1] = hadron1->GetPDGMass() + hadron2->GetPDGMass() + 70.0 * MeV;
660 } 667 }
661 } 668 }
662 } 669 }
663 670
664 // ------ An estimated minimal string mass 671 // ------ An estimated minimal string mass ----------------------
665 MinimalStringMass = 0.; 672 MinimalStringMass = 0.;
666 MinimalStringMass2 = 0.; 673 MinimalStringMass2 = 0.;
667 // q charges d u 674 // q charges d u s c b
668 Qcharge[0] = -1; Qcharge[1] = 2; Qcharge[2 675 Qcharge[0] = -1; Qcharge[1] = 2; Qcharge[2] = -1; Qcharge[3] = 2; Qcharge[4] = -1;
669 676
670 // For treating of small string decays 677 // For treating of small string decays
671 for (G4int i=0; i<5; i++) 678 for (G4int i=0; i<5; i++)
672 { for (G4int j=0; j<5; j++) 679 { for (G4int j=0; j<5; j++)
673 { for (G4int k=0; k<7; k++) 680 { for (G4int k=0; k<7; k++)
674 { 681 {
675 Meson[i][j][k]=0; MesonWeight[i][j 682 Meson[i][j][k]=0; MesonWeight[i][j][k]=0.;
676 } 683 }
677 } 684 }
678 } 685 }
679 //-------------------------- 686 //--------------------------
680 G4int StrangeQ = 0; <<
681 G4int StrangeAQ = 0; <<
682 for (G4int i=0; i<5; i++) 687 for (G4int i=0; i<5; i++)
683 { << 688 { for (G4int j=0; j<5; j++)
684 if( i >= 2 ) StrangeQ=1; << 689 {
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 690 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 << 691 MesonWeight[i][j][0] = ( pspin_meson);
691 Meson[i][j][1] = 100 * (std::ma 692 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 << 693 MesonWeight[i][j][1] = (1.-pspin_meson);
693 } 694 }
694 } 695 }
695 696
696 //qqs 697 //qqs indexes
697 //dd1 -> scalarMesonMix[0] * 111 + (1-scal 698 //dd1 -> scalarMesonMix[0] * 111 + (1-scalarMesonMix[0]-scalarMesonMix[1]) * 221 + scalarMesonMix[1] * 331 (000)
698 //dd1 -> Pi0 699 //dd1 -> Pi0 Eta Eta'
699 700
700 Meson[0][0][0] = 111; MesonWeight[0][0][0] << 701 Meson[0][0][0] = 111; MesonWeight[0][0][0] = ( pspin_meson) * ( scalarMesonMix[0] ); // Pi0
701 Meson[0][0][2] = 221; MesonWeight[0][0][3] << 702 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] << 703 Meson[0][0][3] = 331; MesonWeight[0][0][4] = ( pspin_meson) * ( scalarMesonMix[1]); // Eta'
703 << 704
704 //dd3 -> (1-vectorMesonMix[1] * 113 + vect << 705 //dd3 -> vectorMesonMix[0] * 113 + (1-vectorMesonMix[0]-vectorMesonMix[1]) * 223 + vectorMesonMix[1] * 333 (001)
705 //dd3 -> rho_0 << 706 //dd3 -> rho_0 omega fi
706 << 707
707 Meson[0][0][1] = 113; MesonWeight[0][0][1] << 708 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] << 709 Meson[0][0][4] = 223; MesonWeight[0][0][4] = (1.-pspin_meson) * (1-vectorMesonMix[0]-vectorMesonMix[1]); // omega
>> 710 Meson[0][0][5] = 333; MesonWeight[0][0][5] = (1.-pspin_meson) * ( vectorMesonMix[1]); // fi
709 711
710 //uu1 -> scalarMesonMix[0] * 111 + (1-scal 712 //uu1 -> scalarMesonMix[0] * 111 + (1-scalarMesonMix[0]-scalarMesonMix[1]) * 221 + scalarMesonMix[1] * 331 (110)
711 //uu1 -> Pi0 713 //uu1 -> Pi0 Eta Eta'
712 714
713 Meson[1][1][0] = 111; MesonWeight[1][1][0] << 715 Meson[1][1][0] = 111; MesonWeight[1][1][0] = ( pspin_meson) * ( scalarMesonMix[0] ); // Pi0
714 Meson[1][1][2] = 221; MesonWeight[1][1][2] << 716 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] << 717 Meson[1][1][3] = 331; MesonWeight[1][1][3] = ( pspin_meson) * ( scalarMesonMix[1]); // Eta'
716 << 718
717 //uu3 -> (1-vectorMesonMix[1]) * 113 + vec << 719 //uu3 -> vectorMesonMix[0] * 113 + (1-vectorMesonMix[0]-vectorMesonMix[1]) * 223 + vectorMesonMix[1] * 333 (111)
718 //uu3 -> rho_0 << 720 //uu3 -> rho_0 omega fi
719 << 721
720 Meson[1][1][1] = 113; MesonWeight[1][1][1] << 722 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] << 723 Meson[1][1][4] = 223; MesonWeight[1][1][4] = (1.-pspin_meson) * (1-vectorMesonMix[0]-vectorMesonMix[1]); // omega
>> 724 Meson[1][1][5] = 333; MesonWeight[1][1][5] = (1.-pspin_meson) * ( vectorMesonMix[1]); // fi
722 725
723 //ss1 -> 726 //ss1 -> (1-scalarMesonMix[5]) * 221 + scalarMesonMix[5] * 331 (220)
724 //ss1 -> 727 //ss1 -> Eta Eta'
725 728
726 Meson[2][2][0] = 221; MesonWeight[2][2][0] << 729 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] << 730 Meson[2][2][2] = 331; MesonWeight[2][2][2] = ( pspin_meson) * ( scalarMesonMix[5]); // Eta'
728 731
729 //ss3 -> << 732 //ss3 -> (1-vectorMesonMix[5]) * 223 + vectorMesonMix[5] * 333 (221)
730 //ss3 -> << 733 //ss3 -> omega fi
731 734
732 Meson[2][2][1] = 333; MesonWeight[2][2][1] << 735 Meson[2][2][1] = 223; MesonWeight[2][2][1] = (1.-pspin_meson) * (1-vectorMesonMix[5] ); // omega
>> 736 Meson[2][2][3] = 333; MesonWeight[2][2][3] = (1.-pspin_meson) * ( vectorMesonMix[5]); // fi
733 737
734 //cc1 -> ProbEta_c /(1-pspin_meson) 738 //cc1 -> ProbEta_c /(1-pspin_meson) 441 (330) Probability of Eta_c
735 //cc3 -> (1-ProbEta_c)/( pspin_meson) 739 //cc3 -> (1-ProbEta_c)/( pspin_meson) 443 (331) Probability of J/Psi
736 740
737 //bb1 -> ProbEta_b /pspin_meson 551 741 //bb1 -> ProbEta_b /pspin_meson 551 (440) Probability of Eta_b
738 //bb3 -> (1-ProbEta_b)/pspin_meson 553 << 742 //bb3 -> (1-ProbEta_b)/pspin_meson 553 (441) Probability of ipsilon
739 743
740 if ( pspin_meson[2] != 0. ) { << 744 if ( pspin_meson != 0. ) {
741 Meson[3][3][0] *= ( ProbEta_c)/( p << 745 Meson[3][3][0] *= ( ProbEta_c)/( pspin_meson); // Eta_c
742 Meson[3][3][1] *= (1.0-ProbEta_c)/(1.-p << 746 Meson[3][3][1] *= (1.0-ProbEta_c)/(1.-pspin_meson); // J/Psi
743 747
744 Meson[4][4][0] *= ( ProbEta_b)/( p << 748 Meson[4][4][0] *= ( ProbEta_b)/( pspin_meson); // Eta_b
745 Meson[4][4][1] *= (1.0-ProbEta_b)/(1.-p << 749 Meson[4][4][1] *= (1.0-ProbEta_b)/(1.-pspin_meson); // ipsilon
746 } 750 }
747 751
748 //-------------------------- 752 //--------------------------
749 753
750 for (G4int i=0; i<5; i++) 754 for (G4int i=0; i<5; i++)
751 { for (G4int j=0; j<5; j++) 755 { for (G4int j=0; j<5; j++)
752 { for (G4int k=0; k<5; k++) 756 { for (G4int k=0; k<5; k++)
753 { for (G4int l=0; l<4; l++) 757 { for (G4int l=0; l<4; l++)
754 { Baryon[i][j][k][l]=0; BaryonWei 758 { Baryon[i][j][k][l]=0; BaryonWeight[i][j][k][l]=0.;}
755 } 759 }
756 } 760 }
757 } 761 }
758 762
759 kfla =0; kflb =0; 763 kfla =0; kflb =0;
760 G4int kflc(0), kfld(0), 764 G4int kflc(0), kfld(0), kfle(0), kflf(0);
761 for (G4int i=0; i<5; i++) 765 for (G4int i=0; i<5; i++)
762 { for (G4int j=0; j<5; j++) 766 { for (G4int j=0; j<5; j++)
763 { for (G4int k=0; k<5; k++) 767 { for (G4int k=0; k<5; k++)
764 { 768 {
765 kfla = i+1; kflb = j+1; kflc = k+1; 769 kfla = i+1; kflb = j+1; kflc = k+1;
766 kfld = std::max(kfla,kflb); 770 kfld = std::max(kfla,kflb);
767 kfld = std::max(kfld,kflc); 771 kfld = std::max(kfld,kflc);
768 772
769 kflf = std::min(kfla,kflb); 773 kflf = std::min(kfla,kflb);
770 kflf = std::min(kflf,kflc); 774 kflf = std::min(kflf,kflc);
771 775
772 kfle = kfla + kflb + kflc - kfld - 776 kfle = kfla + kflb + kflc - kfld - kflf;
773 777
774 Baryon[i][j][k][0] = 1000 * k 778 Baryon[i][j][k][0] = 1000 * kfld + 100 * kfle + 10 * kflf + 2; // spin=1/2
775 BaryonWeight[i][j][k][0] = ( pspi 779 BaryonWeight[i][j][k][0] = ( pspin_barion);
776 Baryon[i][j][k][1] = 1000 * k 780 Baryon[i][j][k][1] = 1000 * kfld + 100 * kfle + 10 * kflf + 4; // spin=3/2
777 BaryonWeight[i][j][k][1] = (1.-pspi 781 BaryonWeight[i][j][k][1] = (1.-pspin_barion);
778 } 782 }
779 } 783 }
780 } 784 }
781 785
782 // Delta- ddd - only 1114 786 // Delta- ddd - only 1114
783 Baryon[0][0][0][0] = 1114; BaryonWeight 787 Baryon[0][0][0][0] = 1114; BaryonWeight[0][0][0][0] = 1.0;
784 Baryon[0][0][0][1] = 0; BaryonWeight 788 Baryon[0][0][0][1] = 0; BaryonWeight[0][0][0][1] = 0.0;
785 789
786 // Delta++ uuu - only 2224 790 // Delta++ uuu - only 2224
787 Baryon[1][1][1][0] = 2224; BaryonWeight 791 Baryon[1][1][1][0] = 2224; BaryonWeight[1][1][1][0] = 1.0;
788 Baryon[1][1][1][1] = 0; BaryonWeight 792 Baryon[1][1][1][1] = 0; BaryonWeight[1][1][1][1] = 0.0;
789 793
790 // Omega- sss - only 3334 794 // Omega- sss - only 3334
791 Baryon[2][2][2][0] = 3334; BaryonWeight 795 Baryon[2][2][2][0] = 3334; BaryonWeight[2][2][2][0] = 1.0;
792 Baryon[2][2][2][1] = 0; BaryonWeight 796 Baryon[2][2][2][1] = 0; BaryonWeight[2][2][2][1] = 0.0;
793 797
794 // Omega_cc++ ccc - only 4444 798 // Omega_cc++ ccc - only 4444
795 Baryon[3][3][3][0] = 4444; BaryonWeight 799 Baryon[3][3][3][0] = 4444; BaryonWeight[3][3][3][0] = 1.0;
796 Baryon[3][3][3][1] = 0; BaryonWeight 800 Baryon[3][3][3][1] = 0; BaryonWeight[3][3][3][1] = 0.0;
797 801
798 // Omega_bb- bbb - only 5554 << 802 // Omega_bb- bbb - only 5454
799 Baryon[4][4][4][0] = 5554; BaryonWeight 803 Baryon[4][4][4][0] = 5554; BaryonWeight[4][4][4][0] = 1.0;
800 Baryon[4][4][4][1] = 0; BaryonWeight 804 Baryon[4][4][4][1] = 0; BaryonWeight[4][4][4][1] = 0.0;
801 805
802 // Lambda/Sigma0 sud - 3122/3212 806 // Lambda/Sigma0 sud - 3122/3212
803 Baryon[0][1][2][0] = 3122; BaryonWeight 807 Baryon[0][1][2][0] = 3122; BaryonWeight[0][1][2][0] *= 0.5; // Lambda
804 Baryon[0][2][1][0] = 3122; BaryonWeight 808 Baryon[0][2][1][0] = 3122; BaryonWeight[0][2][1][0] *= 0.5;
805 Baryon[1][0][2][0] = 3122; BaryonWeight 809 Baryon[1][0][2][0] = 3122; BaryonWeight[1][0][2][0] *= 0.5;
806 Baryon[1][2][0][0] = 3122; BaryonWeight 810 Baryon[1][2][0][0] = 3122; BaryonWeight[1][2][0][0] *= 0.5;
807 Baryon[2][0][1][0] = 3122; BaryonWeight 811 Baryon[2][0][1][0] = 3122; BaryonWeight[2][0][1][0] *= 0.5;
808 Baryon[2][1][0][0] = 3122; BaryonWeight 812 Baryon[2][1][0][0] = 3122; BaryonWeight[2][1][0][0] *= 0.5;
809 813
810 Baryon[0][1][2][2] = 3212; BaryonWeight 814 Baryon[0][1][2][2] = 3212; BaryonWeight[0][1][2][2] = 0.5 * pspin_barion; // Sigma0
811 Baryon[0][2][1][2] = 3212; BaryonWeight 815 Baryon[0][2][1][2] = 3212; BaryonWeight[0][2][1][2] = 0.5 * pspin_barion;
812 Baryon[1][0][2][2] = 3212; BaryonWeight 816 Baryon[1][0][2][2] = 3212; BaryonWeight[1][0][2][2] = 0.5 * pspin_barion;
813 Baryon[1][2][0][2] = 3212; BaryonWeight 817 Baryon[1][2][0][2] = 3212; BaryonWeight[1][2][0][2] = 0.5 * pspin_barion;
814 Baryon[2][0][1][2] = 3212; BaryonWeight 818 Baryon[2][0][1][2] = 3212; BaryonWeight[2][0][1][2] = 0.5 * pspin_barion;
815 Baryon[2][1][0][2] = 3212; BaryonWeight 819 Baryon[2][1][0][2] = 3212; BaryonWeight[2][1][0][2] = 0.5 * pspin_barion;
816 820
817 // Lambda_c+/Sigma_c+ cud - 4122/4212 821 // Lambda_c+/Sigma_c+ cud - 4122/4212
818 Baryon[0][1][3][0] = 4122; BaryonWeight 822 Baryon[0][1][3][0] = 4122; BaryonWeight[0][1][3][0] *= 0.5; // Lambda_c+
819 Baryon[0][3][1][0] = 4122; BaryonWeight 823 Baryon[0][3][1][0] = 4122; BaryonWeight[0][3][1][0] *= 0.5;
820 Baryon[1][0][3][0] = 4122; BaryonWeight 824 Baryon[1][0][3][0] = 4122; BaryonWeight[1][0][3][0] *= 0.5;
821 Baryon[1][3][0][0] = 4122; BaryonWeight 825 Baryon[1][3][0][0] = 4122; BaryonWeight[1][3][0][0] *= 0.5;
822 Baryon[3][0][1][0] = 4122; BaryonWeight 826 Baryon[3][0][1][0] = 4122; BaryonWeight[3][0][1][0] *= 0.5;
823 Baryon[3][1][0][0] = 4122; BaryonWeight 827 Baryon[3][1][0][0] = 4122; BaryonWeight[3][1][0][0] *= 0.5;
824 828
825 Baryon[0][1][3][2] = 4212; BaryonWeight 829 Baryon[0][1][3][2] = 4212; BaryonWeight[0][1][3][2] = 0.5 * pspin_barion; // SigmaC+
826 Baryon[0][3][1][2] = 4212; BaryonWeight 830 Baryon[0][3][1][2] = 4212; BaryonWeight[0][3][1][2] = 0.5 * pspin_barion;
827 Baryon[1][0][3][2] = 4212; BaryonWeight 831 Baryon[1][0][3][2] = 4212; BaryonWeight[1][0][3][2] = 0.5 * pspin_barion;
828 Baryon[1][3][0][2] = 4212; BaryonWeight 832 Baryon[1][3][0][2] = 4212; BaryonWeight[1][3][0][2] = 0.5 * pspin_barion;
829 Baryon[3][0][1][2] = 4212; BaryonWeight 833 Baryon[3][0][1][2] = 4212; BaryonWeight[3][0][1][2] = 0.5 * pspin_barion;
830 Baryon[3][1][0][2] = 4212; BaryonWeight 834 Baryon[3][1][0][2] = 4212; BaryonWeight[3][1][0][2] = 0.5 * pspin_barion;
831 835
832 // Xi_c+/Xi_c+' cus - 4232/4322 836 // Xi_c+/Xi_c+' cus - 4232/4322
833 Baryon[1][2][3][0] = 4232; BaryonWeight 837 Baryon[1][2][3][0] = 4232; BaryonWeight[1][2][3][0] *= 0.5; // Xi_c+
834 Baryon[1][3][2][0] = 4232; BaryonWeight 838 Baryon[1][3][2][0] = 4232; BaryonWeight[1][3][2][0] *= 0.5;
835 Baryon[2][1][3][0] = 4232; BaryonWeight 839 Baryon[2][1][3][0] = 4232; BaryonWeight[2][1][3][0] *= 0.5;
836 Baryon[2][3][1][0] = 4232; BaryonWeight 840 Baryon[2][3][1][0] = 4232; BaryonWeight[2][3][1][0] *= 0.5;
837 Baryon[3][1][2][0] = 4232; BaryonWeight 841 Baryon[3][1][2][0] = 4232; BaryonWeight[3][1][2][0] *= 0.5;
838 Baryon[3][2][1][0] = 4232; BaryonWeight 842 Baryon[3][2][1][0] = 4232; BaryonWeight[3][2][1][0] *= 0.5;
839 843
840 Baryon[1][2][3][2] = 4322; BaryonWeight 844 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 845 Baryon[1][3][2][2] = 4322; BaryonWeight[1][3][2][2] = 0.5 * pspin_barion;
842 Baryon[2][1][3][2] = 4322; BaryonWeight 846 Baryon[2][1][3][2] = 4322; BaryonWeight[2][1][3][2] = 0.5 * pspin_barion;
843 Baryon[2][3][1][2] = 4322; BaryonWeight 847 Baryon[2][3][1][2] = 4322; BaryonWeight[2][3][1][2] = 0.5 * pspin_barion;
844 Baryon[3][1][2][2] = 4322; BaryonWeight 848 Baryon[3][1][2][2] = 4322; BaryonWeight[3][1][2][2] = 0.5 * pspin_barion;
845 Baryon[3][2][1][2] = 4322; BaryonWeight 849 Baryon[3][2][1][2] = 4322; BaryonWeight[3][2][1][2] = 0.5 * pspin_barion;
846 850
847 // Xi_c0/Xi_c0' cus - 4132/4312 << 851 // Xi_c0/Xi_c0' cus - 4232/4322
848 Baryon[0][2][3][0] = 4132; BaryonWeight 852 Baryon[0][2][3][0] = 4132; BaryonWeight[0][2][3][0] *= 0.5; // Xi_c0
849 Baryon[0][3][2][0] = 4132; BaryonWeight 853 Baryon[0][3][2][0] = 4132; BaryonWeight[0][3][2][0] *= 0.5;
850 Baryon[2][0][3][0] = 4132; BaryonWeight 854 Baryon[2][0][3][0] = 4132; BaryonWeight[2][0][3][0] *= 0.5;
851 Baryon[2][3][0][0] = 4132; BaryonWeight 855 Baryon[2][3][0][0] = 4132; BaryonWeight[2][3][0][0] *= 0.5;
852 Baryon[3][0][2][0] = 4132; BaryonWeight 856 Baryon[3][0][2][0] = 4132; BaryonWeight[3][0][2][0] *= 0.5;
853 Baryon[3][2][0][0] = 4132; BaryonWeight 857 Baryon[3][2][0][0] = 4132; BaryonWeight[3][2][0][0] *= 0.5;
854 858
855 Baryon[0][2][3][2] = 4312; BaryonWeight 859 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 860 Baryon[0][3][2][2] = 4312; BaryonWeight[0][3][2][2] = 0.5 * pspin_barion;
857 Baryon[2][0][3][2] = 4312; BaryonWeight 861 Baryon[2][0][3][2] = 4312; BaryonWeight[2][0][3][2] = 0.5 * pspin_barion;
858 Baryon[2][3][0][2] = 4312; BaryonWeight 862 Baryon[2][3][0][2] = 4312; BaryonWeight[2][3][0][2] = 0.5 * pspin_barion;
859 Baryon[3][0][2][2] = 4312; BaryonWeight 863 Baryon[3][0][2][2] = 4312; BaryonWeight[3][0][2][2] = 0.5 * pspin_barion;
860 Baryon[3][2][0][2] = 4312; BaryonWeight 864 Baryon[3][2][0][2] = 4312; BaryonWeight[3][2][0][2] = 0.5 * pspin_barion;
861 865
862 // Lambda_b0/Sigma_b0 bud - 5122/5212 866 // Lambda_b0/Sigma_b0 bud - 5122/5212
863 Baryon[0][1][4][0] = 5122; BaryonWeight 867 Baryon[0][1][4][0] = 5122; BaryonWeight[0][1][4][0] *= 0.5; // Lambda_b0
864 Baryon[0][4][1][0] = 5122; BaryonWeight 868 Baryon[0][4][1][0] = 5122; BaryonWeight[0][4][1][0] *= 0.5;
865 Baryon[1][0][4][0] = 5122; BaryonWeight 869 Baryon[1][0][4][0] = 5122; BaryonWeight[1][0][4][0] *= 0.5;
866 Baryon[1][4][0][0] = 5122; BaryonWeight 870 Baryon[1][4][0][0] = 5122; BaryonWeight[1][4][0][0] *= 0.5;
867 Baryon[4][0][1][0] = 5122; BaryonWeight 871 Baryon[4][0][1][0] = 5122; BaryonWeight[4][0][1][0] *= 0.5;
868 Baryon[4][1][0][0] = 5122; BaryonWeight 872 Baryon[4][1][0][0] = 5122; BaryonWeight[4][1][0][0] *= 0.5;
869 873
870 Baryon[0][1][4][2] = 5212; BaryonWeight 874 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 875 Baryon[0][4][1][2] = 5212; BaryonWeight[0][4][1][2] = 0.5 * pspin_barion;
872 Baryon[1][0][4][2] = 5212; BaryonWeight 876 Baryon[1][0][4][2] = 5212; BaryonWeight[1][0][4][2] = 0.5 * pspin_barion;
873 Baryon[1][4][0][2] = 5212; BaryonWeight 877 Baryon[1][4][0][2] = 5212; BaryonWeight[1][4][0][2] = 0.5 * pspin_barion;
874 Baryon[4][0][1][2] = 5212; BaryonWeight 878 Baryon[4][0][1][2] = 5212; BaryonWeight[4][0][1][2] = 0.5 * pspin_barion;
875 Baryon[4][1][0][2] = 5212; BaryonWeight 879 Baryon[4][1][0][2] = 5212; BaryonWeight[4][1][0][2] = 0.5 * pspin_barion;
876 880
877 // Xi_b0/Xi_b0' bus - 5232/5322 << 881 // Xi_b-/Xi_b-' bus - 5232/5322
878 Baryon[1][2][4][0] = 5232; BaryonWeight << 882 Baryon[1][2][4][0] = 5232; BaryonWeight[1][2][4][0] *= 0.5; // Xi_b-
879 Baryon[1][4][2][0] = 5232; BaryonWeight 883 Baryon[1][4][2][0] = 5232; BaryonWeight[1][4][2][0] *= 0.5;
880 Baryon[2][1][4][0] = 5232; BaryonWeight 884 Baryon[2][1][4][0] = 5232; BaryonWeight[2][1][4][0] *= 0.5;
881 Baryon[2][4][1][0] = 5232; BaryonWeight 885 Baryon[2][4][1][0] = 5232; BaryonWeight[2][4][1][0] *= 0.5;
882 Baryon[4][1][2][0] = 5232; BaryonWeight 886 Baryon[4][1][2][0] = 5232; BaryonWeight[4][1][2][0] *= 0.5;
883 Baryon[4][2][1][0] = 5232; BaryonWeight 887 Baryon[4][2][1][0] = 5232; BaryonWeight[4][2][1][0] *= 0.5;
884 888
885 Baryon[1][2][4][2] = 5322; BaryonWeight << 889 Baryon[1][2][4][2] = 5322; BaryonWeight[1][2][4][2] = 0.5 * pspin_barion; // Xi_b-'
886 Baryon[1][4][2][2] = 5322; BaryonWeight 890 Baryon[1][4][2][2] = 5322; BaryonWeight[1][4][2][2] = 0.5 * pspin_barion;
887 Baryon[2][1][4][2] = 5322; BaryonWeight 891 Baryon[2][1][4][2] = 5322; BaryonWeight[2][1][4][2] = 0.5 * pspin_barion;
888 Baryon[2][4][1][2] = 5322; BaryonWeight 892 Baryon[2][4][1][2] = 5322; BaryonWeight[2][4][1][2] = 0.5 * pspin_barion;
889 Baryon[4][1][2][2] = 5322; BaryonWeight 893 Baryon[4][1][2][2] = 5322; BaryonWeight[4][1][2][2] = 0.5 * pspin_barion;
890 Baryon[4][2][1][2] = 5322; BaryonWeight 894 Baryon[4][2][1][2] = 5322; BaryonWeight[4][2][1][2] = 0.5 * pspin_barion;
891 895
892 // Xi_b-/Xi_b-' bus - 5132/5312 << 896 // Xi_b0/Xi_b0' bus - 5232/5322
893 Baryon[0][2][4][0] = 5132; BaryonWeight << 897 Baryon[0][2][4][0] = 5132; BaryonWeight[0][2][4][0] *= 0.5; // Xi_b0
894 Baryon[0][4][2][0] = 5132; BaryonWeight 898 Baryon[0][4][2][0] = 5132; BaryonWeight[0][4][2][0] *= 0.5;
895 Baryon[2][0][4][0] = 5132; BaryonWeight 899 Baryon[2][0][4][0] = 5132; BaryonWeight[2][0][4][0] *= 0.5;
896 Baryon[2][4][0][0] = 5132; BaryonWeight 900 Baryon[2][4][0][0] = 5132; BaryonWeight[2][4][0][0] *= 0.5;
897 Baryon[4][0][2][0] = 5132; BaryonWeight 901 Baryon[4][0][2][0] = 5132; BaryonWeight[4][0][2][0] *= 0.5;
898 Baryon[4][2][0][0] = 5132; BaryonWeight 902 Baryon[4][2][0][0] = 5132; BaryonWeight[4][2][0][0] *= 0.5;
899 903
900 Baryon[0][2][4][2] = 5312; BaryonWeight << 904 Baryon[0][2][4][2] = 5312; BaryonWeight[0][2][4][2] = 0.5 * pspin_barion; // Xi_b0'
901 Baryon[0][4][2][2] = 5312; BaryonWeight 905 Baryon[0][4][2][2] = 5312; BaryonWeight[0][4][2][2] = 0.5 * pspin_barion;
902 Baryon[2][0][4][2] = 5312; BaryonWeight 906 Baryon[2][0][4][2] = 5312; BaryonWeight[2][0][4][2] = 0.5 * pspin_barion;
903 Baryon[2][4][0][2] = 5312; BaryonWeight 907 Baryon[2][4][0][2] = 5312; BaryonWeight[2][4][0][2] = 0.5 * pspin_barion;
904 Baryon[4][0][2][2] = 5312; BaryonWeight 908 Baryon[4][0][2][2] = 5312; BaryonWeight[4][0][2][2] = 0.5 * pspin_barion;
905 Baryon[4][2][0][2] = 5312; BaryonWeight 909 Baryon[4][2][0][2] = 5312; BaryonWeight[4][2][0][2] = 0.5 * pspin_barion;
906 910
907 for (G4int i=0; i<5; i++) 911 for (G4int i=0; i<5; i++)
908 { for (G4int j=0; j<5; j++) 912 { for (G4int j=0; j<5; j++)
909 { for (G4int k=0; k<5; k++) 913 { for (G4int k=0; k<5; k++)
910 { for (G4int l=0; l<4; l++) 914 { for (G4int l=0; l<4; l++)
911 { 915 {
912 G4ParticleDefinition * Te 916 G4ParticleDefinition * TestHadron=
913 G4ParticleTable::GetPar 917 G4ParticleTable::GetParticleTable()->FindParticle(Baryon[i][j][k][l]);
914 /* 918 /*
915 G4cout<<i<<" "<<j<<" "<<k 919 G4cout<<i<<" "<<j<<" "<<k<<" "<<l<<" "<<Baryon[i][j][k][l]<<" "<<TestHadron<<" "<<BaryonWeight[i][j][k][l];
916 if (TestHadron != nullptr << 920 if (TestHadron != NULL) G4cout<<" "<<TestHadron->GetParticleName();
917 if ((TestHadron == nullpt << 921 if ((TestHadron == NULL)&&(Baryon[i][j][k][l] != 0)) G4cout<<" *****";
918 if ((TestHadron == nullpt << 922 if ((TestHadron == NULL)&&(Baryon[i][j][k][l] == 0)) G4cout<<" ---------------";
919 G4cout<<G4endl; 923 G4cout<<G4endl;
920 */ 924 */
921 if ((TestHadron == nullpt << 925 if ((TestHadron == NULL)&&(Baryon[i][j][k][l] != 0)) Baryon[i][j][k][l] = 0;
922 } 926 }
923 } 927 }
924 } 928 }
925 } 929 }
926 930
927 // --------- Probabilities of q-qbar pair 931 // --------- Probabilities of q-qbar pair productions for kink or gluons.
928 G4double ProbUUbar = 0.33; 932 G4double ProbUUbar = 0.33;
929 Prob_QQbar[0]=ProbUUbar; // Probab 933 Prob_QQbar[0]=ProbUUbar; // Probability of ddbar production
930 Prob_QQbar[1]=ProbUUbar; // Probab 934 Prob_QQbar[1]=ProbUUbar; // Probability of uubar production
931 Prob_QQbar[2]=1.0-2.*ProbUUbar; // Probab 935 Prob_QQbar[2]=1.0-2.*ProbUUbar; // Probability of ssbar production
932 Prob_QQbar[3]=0.0; // Probab 936 Prob_QQbar[3]=0.0; // Probability of ccbar production
933 Prob_QQbar[4]=0.0; // Probab 937 Prob_QQbar[4]=0.0; // Probability of bbbar production
934 938
935 for ( G4int i=0 ; i<350 ; i++ ) { // Must 939 for ( G4int i=0 ; i<350 ; i++ ) { // Must be checked
936 FS_LeftHadron[i] = 0; 940 FS_LeftHadron[i] = 0;
937 FS_RightHadron[i] = 0; 941 FS_RightHadron[i] = 0;
938 FS_Weight[i] = 0.0; 942 FS_Weight[i] = 0.0;
939 } 943 }
940 944
941 NumberOf_FS = 0; 945 NumberOf_FS = 0;
942 } 946 }
943 947
944 // ------------------------------------------- 948 // --------------------------------------------------------------
945 949
946 void G4VLongitudinalStringDecay::SetMinimalStr 950 void G4VLongitudinalStringDecay::SetMinimalStringMass(const G4FragmentingString * const string)
947 { 951 {
948 //MaxMass = -350.0*GeV; 952 //MaxMass = -350.0*GeV;
949 G4double EstimatedMass=MaxMass; << 953 G4double EstimatedMass=0.;
950 954
951 G4ParticleDefinition* LeftParton = st <<
952 G4ParticleDefinition* RightParton = st <<
953 if( LeftParton->GetParticleSubType() = <<
954 if( LeftParton->GetPDGEncoding() * R <<
955 // Not allowed combination of the <<
956 throw G4HadronicException(__FILE__ <<
957 "G4VLongitudinalStringDecay::Set <<
958 } <<
959 } <<
960 if( LeftParton->GetParticleSubType() ! <<
961 if( LeftParton->GetPDGEncoding() * R <<
962 // Not allowed combination of the <<
963 throw G4HadronicException(__FILE__ <<
964 "G4VLongitudinalStringDecay::Set <<
965 } <<
966 } <<
967 <<
968 G4int Qleft =std::abs(string->GetLeftP 955 G4int Qleft =std::abs(string->GetLeftParton()->GetPDGEncoding());
969 G4int Qright=std::abs(string->GetRight 956 G4int Qright=std::abs(string->GetRightParton()->GetPDGEncoding());
970 957
971 if ((Qleft < 6) && (Qright < 6)) { / 958 if ((Qleft < 6) && (Qright < 6)) { // Q-Qbar string
972 EstimatedMass=minMassQQbarStr[Qleft- 959 EstimatedMass=minMassQQbarStr[Qleft-1][Qright-1];
973 MinimalStringMass=EstimatedMass; 960 MinimalStringMass=EstimatedMass;
974 SetMinimalStringMass2(EstimatedMass) 961 SetMinimalStringMass2(EstimatedMass);
975 return; 962 return;
976 } 963 }
977 964
978 if ((Qleft < 6) && (Qright > 1000)) { 965 if ((Qleft < 6) && (Qright > 1000)) { // Q - DiQ string
979 G4int q1=Qright/1000; 966 G4int q1=Qright/1000;
980 G4int q2=(Qright/100)%10; 967 G4int q2=(Qright/100)%10;
981 EstimatedMass=minMassQDiQStr[Qleft-1 968 EstimatedMass=minMassQDiQStr[Qleft-1][q1-1][q2-1];
982 MinimalStringMass=EstimatedMass; 969 MinimalStringMass=EstimatedMass; // It can be negative!
983 SetMinimalStringMass2(EstimatedMass) 970 SetMinimalStringMass2(EstimatedMass);
984 return; 971 return;
985 } 972 }
986 973
987 if ((Qleft > 1000) && (Qright < 6)) { 974 if ((Qleft > 1000) && (Qright < 6)) { // DiQ - Q string 6 6 6
988 G4int q1=Qleft/1000; 975 G4int q1=Qleft/1000;
989 G4int q2=(Qleft/100)%10; 976 G4int q2=(Qleft/100)%10;
990 EstimatedMass=minMassQDiQStr[Qright- 977 EstimatedMass=minMassQDiQStr[Qright-1][q1-1][q2-1];
991 MinimalStringMass=EstimatedMass; 978 MinimalStringMass=EstimatedMass; // It can be negative!
992 SetMinimalStringMass2(EstimatedMass) 979 SetMinimalStringMass2(EstimatedMass);
993 return; 980 return;
994 } 981 }
995 982
996 // DiQuark - Anti DiQuark string ----- 983 // DiQuark - Anti DiQuark string -----------------
997 984
998 G4double StringM=string->Get4Momentum().mag( 985 G4double StringM=string->Get4Momentum().mag();
999 986
1000 #ifdef debug_LUNDfragmentation 987 #ifdef debug_LUNDfragmentation
1001 // G4cout<<"MinStringMass// Input Str 988 // G4cout<<"MinStringMass// Input String mass "<<string->Get4Momentum().mag()<<" Qleft "<<Qleft<<G4endl;
1002 #endif 989 #endif
1003 990
1004 G4int q1= Qleft/1000 ; 991 G4int q1= Qleft/1000 ;
1005 G4int q2=(Qleft/100)%10 ; 992 G4int q2=(Qleft/100)%10 ;
1006 993
1007 G4int q3= Qright/1000 ; 994 G4int q3= Qright/1000 ;
1008 G4int q4=(Qright/100)%10; 995 G4int q4=(Qright/100)%10;
1009 996
1010 // -------------- 2 baryon production 997 // -------------- 2 baryon production or 2 mesons production --------
1011 998
1012 G4double EstimatedMass1 = minMassQDiQ 999 G4double EstimatedMass1 = minMassQDiQStr[q1-1][q2-1][0];
1013 G4double EstimatedMass2 = minMassQDiQ 1000 G4double EstimatedMass2 = minMassQDiQStr[q3-1][q4-1][0];
1014 // Mass is negative if there is no co 1001 // Mass is negative if there is no corresponding particle.
1015 1002
1016 if ( (EstimatedMass1 > 0.) && (Estima 1003 if ( (EstimatedMass1 > 0.) && (EstimatedMass2 > 0.)) {
1017 EstimatedMass = EstimatedMass1 + E 1004 EstimatedMass = EstimatedMass1 + EstimatedMass2;
1018 if ( StringM > EstimatedMass ) { 1005 if ( StringM > EstimatedMass ) { // 2 baryon production is possible.
1019 MinimalStringMass=EstimatedMass 1006 MinimalStringMass=EstimatedMass1 + EstimatedMass2;
1020 SetMinimalStringMass2(Estimated 1007 SetMinimalStringMass2(EstimatedMass);
1021 return; 1008 return;
1022 } 1009 }
1023 } 1010 }
1024 1011
1025 if ( (EstimatedMass1 < 0.) && (Estima 1012 if ( (EstimatedMass1 < 0.) && (EstimatedMass2 > 0.)) {
1026 EstimatedMass = MaxMass; 1013 EstimatedMass = MaxMass;
1027 MinimalStringMass=EstimatedMass; 1014 MinimalStringMass=EstimatedMass;
1028 SetMinimalStringMass2(EstimatedMas 1015 SetMinimalStringMass2(EstimatedMass);
1029 return; 1016 return;
1030 } 1017 }
1031 1018
1032 if ( (EstimatedMass1 > 0.) && (Estima 1019 if ( (EstimatedMass1 > 0.) && (EstimatedMass2 < 0.)) {
1033 EstimatedMass = EstimatedMass1; 1020 EstimatedMass = EstimatedMass1;
1034 MinimalStringMass=EstimatedMass; 1021 MinimalStringMass=EstimatedMass;
1035 SetMinimalStringMass2(EstimatedMas 1022 SetMinimalStringMass2(EstimatedMass);
1036 return; 1023 return;
1037 } 1024 }
1038 1025
1039 // if ( EstimatedMass >= StringM 1026 // if ( EstimatedMass >= StringM ) {
1040 // ------------- Re-orangement ------ 1027 // ------------- Re-orangement ---------------
1041 EstimatedMass=std::min(minMassQQbarSt 1028 EstimatedMass=std::min(minMassQQbarStr[q1-1][q3-1] + minMassQQbarStr[q2-1][q4-1],
1042 minMassQQbarSt 1029 minMassQQbarStr[q1-1][q4-1] + minMassQQbarStr[q2-1][q3-1]);
1043 1030
1044 // In principle, re-arrangement and 2 << 1031 // In principle, re-orangement and 2 baryon production can compite.
1045 // More physics consideration is need 1032 // More physics consideration is needed.
1046 1033
1047 MinimalStringMass=EstimatedMass; 1034 MinimalStringMass=EstimatedMass;
1048 SetMinimalStringMass2(EstimatedMass); 1035 SetMinimalStringMass2(EstimatedMass);
1049 1036
1050 return; 1037 return;
1051 } 1038 }
1052 1039
1053 //------------------------------------------- 1040 //--------------------------------------------------------------------------------------
1054 1041
1055 void G4VLongitudinalStringDecay::SetMinimalSt 1042 void G4VLongitudinalStringDecay::SetMinimalStringMass2(const G4double aValue)
1056 { 1043 {
1057 MinimalStringMass2=aValue * aValue; 1044 MinimalStringMass2=aValue * aValue;
1058 } 1045 }
1059 1046
1060 1047