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25 // 22 //
26 // 23 //
>> 24 // $Id: G4VLongitudinalStringDecay.cc,v 1.3 2004/12/07 13:50:16 gunter Exp $
>> 25 // GEANT4 tag $Name: geant4-07-00-patch-01 $
27 // 26 //
28 // ------------------------------------------- 27 // -----------------------------------------------------------------------------
29 // GEANT 4 class implementation file 28 // GEANT 4 class implementation file
30 // 29 //
31 // History: first implementation, Maxim K 30 // History: first implementation, Maxim Komogorov, 1-Jul-1998
32 // redesign Gunter Folger, Augu 31 // redesign Gunter Folger, August/September 2001
33 // ------------------------------------------- 32 // -----------------------------------------------------------------------------
34 #include "G4VLongitudinalStringDecay.hh" <<
35 #include "G4PhysicalConstants.hh" <<
36 #include "G4SystemOfUnits.hh" <<
37 #include "G4ios.hh" 33 #include "G4ios.hh"
38 #include "Randomize.hh" 34 #include "Randomize.hh"
>> 35 #include "G4VLongitudinalStringDecay.hh"
39 #include "G4FragmentingString.hh" 36 #include "G4FragmentingString.hh"
40 37
41 #include "G4ParticleDefinition.hh" 38 #include "G4ParticleDefinition.hh"
42 #include "G4ParticleTypes.hh" 39 #include "G4ParticleTypes.hh"
43 #include "G4ParticleChange.hh" 40 #include "G4ParticleChange.hh"
44 #include "G4VShortLivedParticle.hh" 41 #include "G4VShortLivedParticle.hh"
45 #include "G4ShortLivedConstructor.hh" 42 #include "G4ShortLivedConstructor.hh"
46 #include "G4ParticleTable.hh" 43 #include "G4ParticleTable.hh"
>> 44 #include "G4ShortLivedTable.hh"
47 #include "G4PhaseSpaceDecayChannel.hh" 45 #include "G4PhaseSpaceDecayChannel.hh"
48 #include "G4VDecayChannel.hh" 46 #include "G4VDecayChannel.hh"
49 #include "G4DecayTable.hh" 47 #include "G4DecayTable.hh"
50 48
51 #include "G4DiQuarks.hh" 49 #include "G4DiQuarks.hh"
52 #include "G4Quarks.hh" 50 #include "G4Quarks.hh"
53 #include "G4Gluons.hh" 51 #include "G4Gluons.hh"
54 52
55 #include "G4Exp.hh" << 53 //********************************************************************************
56 #include "G4Log.hh" <<
57 <<
58 #include "G4HadronicException.hh" <<
59 <<
60 //------------------------debug switches <<
61 //#define debug_VStringDecay <<
62 //#define debug_heavyHadrons <<
63 <<
64 //******************************************** <<
65 // Constructors 54 // Constructors
66 55
67 G4VLongitudinalStringDecay::G4VLongitudinalStr << 56 G4VLongitudinalStringDecay::G4VLongitudinalStringDecay()
68 : G4HadronicInteraction(name), ProbCCbar(0.0 <<
69 { 57 {
70 MassCut = 210.0*MeV; // Mpi + Delta << 58 MassCut = 0.35*GeV;
>> 59 ClusterMass = 0.15*GeV;
71 60
72 StringLoopInterrupt = 1000; << 61 SmoothParam = 0.9;
73 ClusterLoopInterrupt = 500; << 62 StringLoopInterrupt = 1000;
>> 63 ClusterLoopInterrupt = 500;
74 64
75 // Changable Parameters below. << 65 // Changable Parameters below.
76 SigmaQT = 0.5 * GeV; <<
77 66
78 StrangeSuppress = 0.44; // =0.27/2.27 s << 67 SigmaQT = 0.5 * GeV;
79 DiquarkSuppress = 0.07; // Probability <<
80 DiquarkBreakProb = 0.1; // Probability <<
81 68
82 //... pspin_meson is probability to create << 69 StrangeSuppress = 0.44; // 27 % strange quarks produced, ie. u:d:s=1:1:0.27
83 pspin_meson.resize(3); << 70 DiquarkSuppress = 0.1;
84 pspin_meson[0] = 0.5; // u or d + anti-u o << 71 DiquarkBreakProb = 0.1;
85 pspin_meson[1] = 0.4; // one of the quark <<
86 pspin_meson[2] = 0.3; // both of the quark <<
87 72
88 //... pspin_barion is probability to create << 73 //... pspin_meson is probability to create vector meson
>> 74 pspin_meson = 0.5;
>> 75
>> 76 //... pspin_barion is probability to create 3/2 barion
89 pspin_barion = 0.5; 77 pspin_barion = 0.5;
90 78
91 //... vectorMesonMix[] is quark mixing para 79 //... vectorMesonMix[] is quark mixing parameters for vector mesons (Variable spin = 3)
92 vectorMesonMix.resize(6); 80 vectorMesonMix.resize(6);
93 vectorMesonMix[0] = 0.0; << 81 vectorMesonMix[0] = 0.5;
94 vectorMesonMix[1] = 0.5; << 82 vectorMesonMix[1] = 0.0;
95 vectorMesonMix[2] = 0.0; << 83 vectorMesonMix[2] = 0.5;
96 vectorMesonMix[3] = 0.5; << 84 vectorMesonMix[3] = 0.0;
97 vectorMesonMix[4] = 1.0; 85 vectorMesonMix[4] = 1.0;
98 vectorMesonMix[5] = 1.0; << 86 vectorMesonMix[5] = 1.0;
99 87
100 //... scalarMesonMix[] is quark mixing para 88 //... scalarMesonMix[] is quark mixing parameters for scalar mesons (Variable spin=1)
101 scalarMesonMix.resize(6); 89 scalarMesonMix.resize(6);
102 scalarMesonMix[0] = 0.5; << 90 scalarMesonMix[0] = 0.5;
103 scalarMesonMix[1] = 0.25; << 91 scalarMesonMix[1] = 0.25;
104 scalarMesonMix[2] = 0.5; << 92 scalarMesonMix[2] = 0.5;
105 scalarMesonMix[3] = 0.25; << 93 scalarMesonMix[3] = 0.25;
106 scalarMesonMix[4] = 1.0; << 94 scalarMesonMix[4] = 1.0;
107 scalarMesonMix[5] = 0.5; << 95 scalarMesonMix[5] = 0.5;
108 <<
109 SetProbCCbar(0.0); // Probability of CCbar <<
110 SetProbEta_c(0.1); // Mixing of Eta_c and <<
111 SetProbBBbar(0.0); // Probability of BBbar <<
112 SetProbEta_b(0.0); // Mixing of Eta_b and <<
113 96
114 // Parameters may be changed until the firs << 97 // Parameters may be changed until the first fragmentation starts
115 PastInitPhase=false; 98 PastInitPhase=false;
116 hadronizer = new G4HadronBuilder( pspin_mes << 99 hadronizer = new G4HadronBuilder(pspin_meson,pspin_barion,
117 ProbEta_c << 100 scalarMesonMix,vectorMesonMix);
118 <<
119 MaxMass=-350.0*GeV; // If there will be a <<
120 <<
121 SetMinMasses(); // Re-calculation of minim <<
122 <<
123 Kappa = 1.0 * GeV/fermi; <<
124 DecayQuark = NewQuark = 0; <<
125 } 101 }
>> 102
126 103
127 G4VLongitudinalStringDecay::~G4VLongitudinalSt 104 G4VLongitudinalStringDecay::~G4VLongitudinalStringDecay()
128 { << 105 {
129 delete hadronizer; 106 delete hadronizer;
130 } << 107 }
131 <<
132 G4HadFinalState* <<
133 G4VLongitudinalStringDecay::ApplyYourself(cons <<
134 { <<
135 return nullptr; <<
136 } <<
137 <<
138 //============================================ <<
139 <<
140 // For changing Mass Cut used for selection of <<
141 void G4VLongitudinalStringDecay::SetMassCut(G4 <<
142 G4double G4VLongitudinalStringDecay::GetMassCu <<
143 <<
144 //-------------------------------------------- <<
145 <<
146 // For handling a string with very low mass <<
147 <<
148 G4KineticTrackVector* G4VLongitudinalStringDec <<
149 { <<
150 G4KineticTrackVector* result = nullptr <<
151 pDefPair hadrons( nullptr, nullptr ); <<
152 G4FragmentingString aString( *string ) <<
153 <<
154 #ifdef debug_VStringDecay <<
155 G4cout<<"G4VLongitudinalStringDecay::P <<
156 <<aString.Mass()<<" MassCut "<<M <<
157 #endif <<
158 <<
159 SetMinimalStringMass( &aString ); <<
160 PossibleHadronMass( &aString, 0, &hadr <<
161 result = new G4KineticTrackVector; <<
162 if ( hadrons.first != nullptr ) { <<
163 if ( hadrons.second == nullptr ) { <<
164 // Substitute string by light h <<
165 <<
166 #ifdef debug_VStringDecay <<
167 G4cout << "VlongSD Warning repl <<
168 G4cout << hadrons.first->GetPar <<
169 << "string .. " << strin <<
170 << string->Get4Momentum( <<
171 #endif <<
172 <<
173 G4ThreeVector Mom3 = string-> <<
174 G4LorentzVector Mom( Mom3, std: <<
175 result->push_back( new G4Kineti <<
176 } else { <<
177 //... string was qq--qqbar type <<
178 <<
179 #ifdef debug_VStringDecay <<
180 G4cout << "VlongSD Warning repl <<
181 << hadrons.first->GetPar <<
182 << hadrons.second->GetPa <<
183 << "string .. " << strin <<
184 << string->Get4Momentum( <<
185 #endif <<
186 <<
187 G4LorentzVector Mom1, Mom2; <<
188 Sample4Momentum( &Mom1, hadrons <<
189 &Mom2, hadrons <<
190 string->Get4Mo <<
191 <<
192 result->push_back( new G4Kineti <<
193 result->push_back( new G4Kineti <<
194 <<
195 G4ThreeVector Velocity = string <<
196 result->Boost(Velocity); <<
197 } <<
198 } <<
199 return result; <<
200 } <<
201 <<
202 //-------------------------------------------- <<
203 <<
204 G4double G4VLongitudinalStringDecay::PossibleH <<
205 <<
206 { <<
207 G4double mass = 0.0; <<
208 <<
209 if ( build==0 ) build=&G4HadronBuilder::Buil <<
210 108
211 G4ParticleDefinition* Hadron1 = nullpt << 109 //=============================================================================================-------------
212 G4ParticleDefinition* Hadron2 = nullptr; <<
213 110
214 if (!string->IsAFourQuarkString() ) << 111 // Operators
215 { <<
216 // spin 0 meson or spin 1/2 barion <<
217 112
218 Hadron1 = (hadronizer->*build)(stri << 113 //const & G4VLongitudinalStringDecay::operator=(const G4VLongitudinalStringDecay &)
219 #ifdef debug_VStringDecay << 114 // {
220 G4cout<<"VlongSD PossibleHadronMass"<<G4e << 115 // }
221 G4cout<<"VlongSD Quarks at the stri <<
222 <<" "<<string->GetRightParton <<
223 if ( Hadron1 != nullptr) { <<
224 G4cout<<"(G4VLongitudinalStringDe <<
225 <<" "<<Hadron1->GetPDGMass( <<
226 } <<
227 #endif <<
228 if ( Hadron1 != nullptr) { mass = ( <<
229 else { mass = MaxM <<
230 } else <<
231 { <<
232 //... string is qq--qqbar: Build tw <<
233 <<
234 #ifdef debug_VStringDecay <<
235 G4cout<<"VlongSD PossibleHadronMass <<
236 G4cout<<"VlongSD string is qq--qqba <<
237 #endif <<
238 <<
239 G4double StringMass = string->Mas <<
240 G4int cClusterInterrupt = 0; <<
241 do <<
242 { <<
243 if (cClusterInterrupt++ >= Cluste <<
244 <<
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 <<
263 116
264 mass = (Hadron1)->GetPDGMass() + (Hadron2 << 117 //----------------------------------------------------------------------------------------------------------
265 } <<
266 118
267 #ifdef debug_VStringDecay << 119 int G4VLongitudinalStringDecay::operator==(const G4VLongitudinalStringDecay &) const
268 G4cout<<"VlongSD *Hadrons 1 and 2, pro << 120 {
269 #endif << 121 throw G4HadronicException(__FILE__, __LINE__, "G4VLongitudinalStringDecay::operator== forbidden");
270 << 122 return false;
271 if ( pdefs != 0 ) << 123 }
272 { // need to return hadrons as well.... <<
273 pdefs->first = Hadron1; <<
274 pdefs->second = Hadron2; <<
275 } <<
276 <<
277 return mass; <<
278 } <<
279 124
280 //-------------------------------------------- << 125 //----------------------------------------------------------------------------------------------------------
281 126
282 G4ParticleDefinition* G4VLongitudinalStringDec << 127 int G4VLongitudinalStringDecay::operator!=(const G4VLongitudinalStringDecay &) const
283 { << 128 {
284 /* << 129 throw G4HadronicException(__FILE__, __LINE__, "G4VLongitudinalStringDecay::operator!= forbidden");
285 G4cout<<Encoding<<" G4VLongitudinalStringDec << 130 return true;
286 for (G4int i=4; i<6;i++){ <<
287 for (G4int j=1;j<6;j++){ <<
288 G4cout<<i<<" "<<j<<" "; <<
289 G4int Code = 1000 * i + 100 * j +1; <<
290 G4ParticleDefinition* ptr1 = G4ParticleT <<
291 Code +=2; <<
292 G4ParticleDefinition* ptr2 = G4ParticleT <<
293 G4cout<<"Code "<<Code - 2<<" ptr "<<ptr1 <<
294 } 131 }
295 G4cout<<G4endl; <<
296 } <<
297 */ <<
298 <<
299 G4ParticleDefinition* ptr = G4ParticleTable: <<
300 <<
301 if (ptr == nullptr) <<
302 { <<
303 for (size_t i=0; i < NewParticles.size(); <<
304 { <<
305 if ( Encoding == NewParticles[i]->GetPD <<
306 } <<
307 } <<
308 <<
309 return ptr; <<
310 } <<
311 132
312 //******************************************** << 133 //==========================================================================================================
313 // For decision on continue or stop string f <<
314 // virtual G4bool StopFragmenting(const G4Fr <<
315 // virtual G4bool IsItFragmentable(const G4F <<
316 // <<
317 // If a string can not fragment, make last b <<
318 // virtual G4bool SplitLast(G4FragmentingStr <<
319 // G4KineticTrackVe <<
320 // G4KineticTrackVe <<
321 //-------------------------------------------- <<
322 // <<
323 // If a string can fragment, do the followin <<
324 // <<
325 // For transver of a string to its CMS frame <<
326 //-------------------------------------------- <<
327 134
328 G4ExcitedString *G4VLongitudinalStringDecay::C << 135 G4int G4VLongitudinalStringDecay::SampleQuarkFlavor(void)
329 { << 136 {
330 G4Parton *Left=new G4Parton(*in.GetLeftParto << 137 return (1 + (int)(G4UniformRand()/StrangeSuppress));
331 G4Parton *Right=new G4Parton(*in.GetRightPar << 138 }
332 return new G4ExcitedString(Left,Right,in.Get <<
333 } <<
334 139
335 //-------------------------------------------- << 140 //----------------------------------------------------------------------------------------------------------
336 141
337 G4ParticleDefinition * G4VLongitudinalStringDe << 142 G4VLongitudinalStringDecay::pDefPair G4VLongitudinalStringDecay::CreatePartonPair(G4int NeedParticle,G4bool AllowDiquarks)
338 <<
339 { 143 {
340 #ifdef debug_VStringDecay << 144 // NeedParticle = +1 for Particle, -1 for Antiparticle
341 G4cout<<"VlongSD QuarkSplitup: quark ID "<< <<
342 #endif <<
343 <<
344 G4int IsParticle=(decay->GetPDGEncoding()>0 <<
345 <<
346 pDefPair QuarkPair = CreatePartonPair(IsPar <<
347 created = QuarkPair.second; <<
348 <<
349 DecayQuark = decay->GetPDGEncoding(); <<
350 NewQuark = created->GetPDGEncoding(); <<
351 <<
352 #ifdef debug_VStringDecay <<
353 G4cout<<"VlongSD QuarkSplitup: "<<decay->Ge <<
354 G4cout<<"hadronizer->Build(QuarkPair.first, <<
355 #endif <<
356 <<
357 return hadronizer->Build(QuarkPair.first, d <<
358 } <<
359 <<
360 //-------------------------------------------- <<
361 145
362 G4VLongitudinalStringDecay::pDefPair G4VLongit <<
363 CreatePartonPair(G4int NeedParticle,G4bool All <<
364 { <<
365 // NeedParticle = +1 for Particle, -1 for <<
366 if ( AllowDiquarks && G4UniformRand() < Di 146 if ( AllowDiquarks && G4UniformRand() < DiquarkSuppress )
367 { 147 {
368 // Create a Diquark - AntiDiquark pair , 148 // Create a Diquark - AntiDiquark pair , first in pair is anti to IsParticle
369 #ifdef debug_VStringDecay << 149 G4int q1 = SampleQuarkFlavor();
370 G4cout<<"VlongSD Create a Diquark - Anti << 150 G4int q2 = SampleQuarkFlavor();
371 #endif << 151 G4int spin = (q1 != q2 && G4UniformRand() <= 0.5)? 1 : 3;
372 G4int q1(0), q2(0), spin(0), PDGcode(0); <<
373 <<
374 q1 = SampleQuarkFlavor(); <<
375 q2 = SampleQuarkFlavor(); <<
376 <<
377 spin = (q1 != q2 && G4UniformRand() <= 0 <<
378 // conv 152 // convention: quark with higher PDG number is first
379 PDGcode = (std::max(q1,q2) * 1000 + std: << 153 G4int PDGcode = (std::max(q1,q2) * 1000 + std::min(q1,q2) * 100 + spin) * NeedParticle;
380 <<
381 return pDefPair (FindParticle(-PDGcode), 154 return pDefPair (FindParticle(-PDGcode),FindParticle(PDGcode));
>> 155
382 156
383 } else { 157 } else {
384 // Create a Quark - AntiQuark pair, firs 158 // Create a Quark - AntiQuark pair, first in pair IsParticle
385 #ifdef debug_VStringDecay <<
386 G4cout<<"VlongSD Create a Quark - AntiQu <<
387 #endif <<
388 G4int PDGcode=SampleQuarkFlavor()*NeedPa 159 G4int PDGcode=SampleQuarkFlavor()*NeedParticle;
389 return pDefPair (FindParticle(PDGcode),F 160 return pDefPair (FindParticle(PDGcode),FindParticle(-PDGcode));
390 } 161 }
391 } <<
392 162
393 //-------------------------------------------- <<
394 <<
395 G4int G4VLongitudinalStringDecay::SampleQuarkF <<
396 { <<
397 G4int quark(1); <<
398 G4double ksi = G4UniformRand(); <<
399 if ( ksi < ProbCB ) { <<
400 if ( ksi < ProbCCbar ) {quark = 4;} // <<
401 else {quark = 5;} // <<
402 #ifdef debug_heavyHadrons <<
403 G4cout << "G4VLongitudinalStringDecay::S <<
404 << quark << G4endl; <<
405 #endif <<
406 } else { <<
407 quark = 1 + (int)(G4UniformRand()/Strange <<
408 } <<
409 #ifdef debug_VStringDecay <<
410 G4cout<<"VlongSD SampleQuarkFlavor "<<quark <<
411 <<" "<<ProbCCbar<<" "<<ProbBBbar<<" ) <<
412 #endif <<
413 return quark; <<
414 } 163 }
415 164
416 //-------------------------------------------- << 165 //----------------------------------------------------------------------------------------------------------
417 166
418 G4ThreeVector G4VLongitudinalStringDecay::Samp << 167 G4ThreeVector G4VLongitudinalStringDecay::SampleQuarkPt()
419 { << 168 {
420 G4double Pt; << 169 G4double Pt = -std::log(G4UniformRand());
421 if ( ptMax < 0 ) { <<
422 // sample full gaussian <<
423 Pt = -G4Log(G4UniformRand()); <<
424 } else { <<
425 // sample in limited range <<
426 G4double q = ptMax/SigmaQT; <<
427 G4double ymin = (q > 20.) ? 0.0 : G4Exp( <<
428 Pt = -G4Log(G4RandFlat::shoot(ymin, 1.)) <<
429 } <<
430 Pt = SigmaQT * std::sqrt(Pt); 170 Pt = SigmaQT * std::sqrt(Pt);
431 G4double phi = 2.*pi*G4UniformRand(); 171 G4double phi = 2.*pi*G4UniformRand();
432 return G4ThreeVector(Pt * std::cos(phi),Pt 172 return G4ThreeVector(Pt * std::cos(phi),Pt * std::sin(phi),0);
433 } << 173 }
434 174
435 //******************************************** << 175 //----------------------------------------------------------------------------------------------------------
436 176
437 void G4VLongitudinalStringDecay::CalculateHadr << 177 void G4VLongitudinalStringDecay::CalculateHadronTimePosition(G4double theInitialStringMass, G4KineticTrackVector* Hadrons)
438 <<
439 { <<
440 // `yo-yo` formation time <<
441 // const G4double kappa = 1.0 * GeV/fermi <<
442 G4double kappa = GetStringTensionParameter( <<
443 for (size_t c1 = 0; c1 < Hadrons->size(); c <<
444 { 178 {
>> 179 // `yo-yo` formation time
>> 180 const G4double kappa = 1.0 * GeV/fermi;
>> 181 for(size_t c1 = 0; c1 < Hadrons->size(); c1++)
>> 182 {
445 G4double SumPz = 0; 183 G4double SumPz = 0;
446 G4double SumE = 0; 184 G4double SumE = 0;
447 for (size_t c2 = 0; c2 < c1; c2++) << 185 for(size_t c2 = 0; c2 < c1; c2++)
448 { << 186 {
449 SumPz += Hadrons->operator[](c2)->Get 187 SumPz += Hadrons->operator[](c2)->Get4Momentum().pz();
450 SumE += Hadrons->operator[](c2)->Get 188 SumE += Hadrons->operator[](c2)->Get4Momentum().e();
451 } << 189 }
452 G4double HadronE = Hadrons->operator[]( 190 G4double HadronE = Hadrons->operator[](c1)->Get4Momentum().e();
453 G4double HadronPz = Hadrons->operator[]( 191 G4double HadronPz = Hadrons->operator[](c1)->Get4Momentum().pz();
454 Hadrons->operator[](c1)->SetFormationTim << 192 Hadrons->operator[](c1)->SetFormationTime((theInitialStringMass - 2.*SumPz + HadronE - HadronPz)/(2.*kappa));
455 (theInitialStringMass - 2.*SumPz + Had << 193 G4ThreeVector aPosition(0, 0, (theInitialStringMass - 2.*SumE - HadronE + HadronPz)/(2.*kappa));
456 G4ThreeVector aPosition( 0, 0, <<
457 (theInitialStringMass - 2.*SumE - Had <<
458 Hadrons->operator[](c1)->SetPosition(aPo 194 Hadrons->operator[](c1)->SetPosition(aPosition);
>> 195 }
459 } 196 }
460 } <<
461 197
462 //-------------------------------------------- << 198 //----------------------------------------------------------------------------------------------------------
463 199
464 void G4VLongitudinalStringDecay::SetSigmaTrans << 200 /*
465 { << 201 void G4VLongitudinalStringDecay::CalculateHadronTimePosition(G4double theInitialStringMass, G4KineticTrackVector* Hadrons)
466 if ( PastInitPhase ) { << 202 {
467 throw G4HadronicException(__FILE__, __LIN << 203 // 'constituent' formation time
468 "G4VLongitudinalStringDecay::SetSigmaTr << 204 const G4double kappa = 1.0 * GeV/fermi;
469 } else { << 205 for(G4int c1 = 0; c1 < Hadrons->length(); c1++)
470 SigmaQT = aValue; << 206 {
>> 207 G4double SumPz = 0;
>> 208 G4double SumE = 0;
>> 209 for(G4int c2 = 0; c2 <= c1; c2++)
>> 210 {
>> 211 SumPz += Hadrons->at(c2)->Get4Momentum().pz();
>> 212 SumE += Hadrons->at(c2)->Get4Momentum().e();
>> 213 }
>> 214 Hadrons->at(c1)->SetFormationTime((theInitialStringMass - 2.*SumPz)/(2.*kappa));
>> 215 G4ThreeVector aPosition(0, 0, (theInitialStringMass - 2.*SumE)/(2.*kappa));
>> 216 Hadrons->at(c1)->SetPosition(aPosition);
>> 217 }
>> 218 c1 = Hadrons->length()-1;
>> 219 Hadrons->at(c1)->SetFormationTime(Hadrons->at(c1-1)->GetFormationTime());
>> 220 Hadrons->at(c1)->SetPosition(Hadrons->at(c1-1)->GetPosition());
471 } 221 }
472 } << 222 */
473 223
474 //-------------------------------------------- 224 //----------------------------------------------------------------------------------------------------------
475 225
476 void G4VLongitudinalStringDecay::SetStrangenes << 226 G4ParticleDefinition *
477 { << 227 G4VLongitudinalStringDecay::QuarkSplitup(G4ParticleDefinition*
478 StrangeSuppress = aValue; << 228 decay, G4ParticleDefinition *&created)
>> 229 {
>> 230 G4int IsParticle=(decay->GetPDGEncoding()>0) ? -1 : +1; // if we have a quark, we need antiquark (or diquark)
>> 231 pDefPair QuarkPair = CreatePartonPair(IsParticle);
>> 232 created = QuarkPair.second;
>> 233 return hadronizer->Build(QuarkPair.first, decay);
>> 234
479 } 235 }
480 236
481 //-------------------------------------------- 237 //----------------------------------------------------------------------------------------------------------
482 238
483 void G4VLongitudinalStringDecay::SetDiquarkSup << 239 G4ParticleDefinition *G4VLongitudinalStringDecay::DiQuarkSplitup(
484 { << 240 G4ParticleDefinition* decay,
485 DiquarkSuppress = aValue; << 241 G4ParticleDefinition *&created)
486 } << 242 {
487 << 243 //... can Diquark break or not?
488 //-------------------------------------------- << 244 if (G4UniformRand() < DiquarkBreakProb ){
>> 245 //... Diquark break
>> 246
>> 247 G4int stableQuarkEncoding = decay->GetPDGEncoding()/1000;
>> 248 G4int decayQuarkEncoding = (decay->GetPDGEncoding()/100)%10;
>> 249 if (G4UniformRand() < 0.5)
>> 250 {
>> 251 G4int Swap = stableQuarkEncoding;
>> 252 stableQuarkEncoding = decayQuarkEncoding;
>> 253 decayQuarkEncoding = Swap;
>> 254 }
>> 255
>> 256 G4int IsParticle=(decayQuarkEncoding>0) ? -1 : +1;
>> 257 // if we have a quark, we need antiquark)
>> 258 pDefPair QuarkPair = CreatePartonPair(IsParticle,false); // no diquarks wanted
>> 259 //... Build new Diquark
>> 260 G4int QuarkEncoding=QuarkPair.second->GetPDGEncoding();
>> 261 G4int i10 = std::max(std::abs(QuarkEncoding), std::abs(stableQuarkEncoding));
>> 262 G4int i20 = std::min(std::abs(QuarkEncoding), std::abs(stableQuarkEncoding));
>> 263 G4int spin = (i10 != i20 && G4UniformRand() <= 0.5)? 1 : 3;
>> 264 G4int NewDecayEncoding = -1*IsParticle*(i10 * 1000 + i20 * 100 + spin);
>> 265 created = FindParticle(NewDecayEncoding);
>> 266 G4ParticleDefinition * decayQuark=FindParticle(decayQuarkEncoding);
>> 267
>> 268 return hadronizer->Build(QuarkPair.first, decayQuark);
>> 269
>> 270 } else {
>> 271 //... Diquark does not break
>> 272
>> 273 G4int IsParticle=(decay->GetPDGEncoding()>0) ? +1 : -1;
>> 274 // if we have a diquark, we need quark)
>> 275 pDefPair QuarkPair = CreatePartonPair(IsParticle,false); // no diquarks wanted
>> 276 created = QuarkPair.second;
489 277
490 void G4VLongitudinalStringDecay::SetDiquarkBre << 278 return hadronizer->Build(QuarkPair.first, decay);
491 { << 279 }
492 if ( PastInitPhase ) { <<
493 throw G4HadronicException(__FILE__, __LINE <<
494 "G4VLongitudinalStringDecay::SetDiquarkB <<
495 } else { <<
496 DiquarkBreakProb = aValue; <<
497 } <<
498 } 280 }
499 281
500 //-------------------------------------------- << 282 //-----------------------------------------------------------------------------------------
501 283
502 void G4VLongitudinalStringDecay::SetSpinThreeH << 284 G4KineticTrack * G4VLongitudinalStringDecay::Splitup(
>> 285 G4FragmentingString *string,
>> 286 G4FragmentingString *&newString)
503 { 287 {
504 if ( PastInitPhase ) { <<
505 throw G4HadronicException(__FILE__, __LINE <<
506 "G4VLongitudinalStringDecay::SetSpinThre <<
507 } else { <<
508 pspin_barion = aValue; <<
509 delete hadronizer; <<
510 hadronizer = new G4HadronBuilder( pspin_me <<
511 ProbEta_ <<
512 } <<
513 } <<
514 <<
515 //-------------------------------------------- <<
516 288
517 void G4VLongitudinalStringDecay::SetScalarMeso << 289 //... random choice of string end to use for creating the hadron (decay)
518 { << 290 SideOfDecay = (G4UniformRand() < 0.5)? 1: -1;
519 if ( PastInitPhase ) { << 291 if (SideOfDecay < 0)
520 throw G4HadronicException(__FILE__, __LINE << 292 {
521 "G4VLongitudinalStringDecay::SetScalarMe << 293 string->SetLeftPartonStable();
522 } else { << 294 } else
523 if ( aVector.size() < 6 ) << 295 {
524 throw G4HadronicException(__FILE__, __LI << 296 string->SetRightPartonStable();
525 "G4VLongitudinalStringDecay::SetScalar << 297 }
526 scalarMesonMix[0] = aVector[0]; <<
527 scalarMesonMix[1] = aVector[1]; <<
528 scalarMesonMix[2] = aVector[2]; <<
529 scalarMesonMix[3] = aVector[3]; <<
530 scalarMesonMix[4] = aVector[4]; <<
531 scalarMesonMix[5] = aVector[5]; <<
532 delete hadronizer; <<
533 hadronizer = new G4HadronBuilder( pspin_me <<
534 ProbEta_ <<
535 } <<
536 } <<
537 298
538 //-------------------------------------------- << 299 G4ParticleDefinition *newStringEnd;
>> 300 G4ParticleDefinition * HadronDefinition;
>> 301 if (string->DecayIsQuark())
>> 302 {
>> 303 HadronDefinition= QuarkSplitup(string->GetDecayParton(), newStringEnd);
>> 304 } else {
>> 305 HadronDefinition= DiQuarkSplitup(string->GetDecayParton(), newStringEnd);
>> 306 }
>> 307 // create new String from old, ie. keep Left and Right order, but replace decay
>> 308 G4LorentzVector* HadronMomentum=SplitEandP(HadronDefinition, string);
>> 309
>> 310 G4KineticTrack * Hadron =0;
>> 311 if ( HadronMomentum != 0 ) {
539 312
540 void G4VLongitudinalStringDecay::SetVectorMeso << 313 G4ThreeVector Pos;
541 { << 314 Hadron = new G4KineticTrack(HadronDefinition, 0,Pos, *HadronMomentum);
542 if ( PastInitPhase ) { << 315
543 throw G4HadronicException(__FILE__, __LINE << 316 newString=new G4FragmentingString(*string,newStringEnd,
544 "G4VLongitudinalStringDecay::SetVectorMe << 317 HadronMomentum);
545 } else { << 318
546 if ( aVector.size() < 6 ) << 319 delete HadronMomentum;
547 throw G4HadronicException(__FILE__, __LI << 320 }
548 "G4VLongitudinalStringDecay::SetVector << 321 return Hadron;
549 vectorMesonMix[0] = aVector[0]; << 322 }
550 vectorMesonMix[1] = aVector[1]; << 323
551 vectorMesonMix[2] = aVector[2]; << 324 //-----------------------------------------------------------------------------------------
552 vectorMesonMix[3] = aVector[3]; << 325
553 vectorMesonMix[4] = aVector[4]; << 326 G4LorentzVector * G4VLongitudinalStringDecay::SplitEandP(G4ParticleDefinition * pHadron,
554 vectorMesonMix[5] = aVector[5]; << 327 G4FragmentingString * string)
555 delete hadronizer; << 328 {
556 hadronizer = new G4HadronBuilder( pspin_me << 329 G4double HadronMass = pHadron->GetPDGMass();
557 ProbEta_ << 330
558 } << 331 // calculate and assign hadron transverse momentum component HadronPx andHadronPy
>> 332 G4ThreeVector thePt;
>> 333 thePt=SampleQuarkPt();
>> 334 G4ThreeVector HadronPt = thePt +string->DecayPt();
>> 335 HadronPt.setZ(0);
>> 336 //... sample z to define hadron longitudinal momentum and energy
>> 337 //... but first check the available phase space
>> 338 G4double DecayQuarkMass2 = sqr(string->GetDecayParton()->GetPDGMass());
>> 339 G4double HadronMass2T = sqr(HadronMass) + HadronPt.mag2();
>> 340 if (DecayQuarkMass2 + HadronMass2T >= SmoothParam*(string->Mass2()) )
>> 341 return 0; // have to start all over!
>> 342
>> 343 //... then compute allowed z region z_min <= z <= z_max
>> 344
>> 345 G4double zMin = HadronMass2T/(string->Mass2());
>> 346 G4double zMax = 1. - DecayQuarkMass2/(string->Mass2());
>> 347 if (zMin >= zMax) return 0; // have to start all over!
>> 348
>> 349 G4double z = GetLightConeZ(zMin, zMax,
>> 350 string->GetDecayParton()->GetPDGEncoding(), pHadron,
>> 351 HadronPt.x(), HadronPt.y());
>> 352
>> 353 //... now compute hadron longitudinal momentum and energy
>> 354 // longitudinal hadron momentum component HadronPz
>> 355
>> 356 HadronPt.setZ(0.5* string->GetDecayDirection() *
>> 357 (z * string->LightConeDecay() -
>> 358 HadronMass2T/(z * string->LightConeDecay())));
>> 359 G4double HadronE = 0.5* (z * string->LightConeDecay() +
>> 360 HadronMass2T/(z * string->LightConeDecay()));
>> 361
>> 362 G4LorentzVector * a4Momentum= new G4LorentzVector(HadronPt,HadronE);
>> 363
>> 364 return a4Momentum;
559 } 365 }
560 366
561 //-------------------------------------------- <<
562 <<
563 void G4VLongitudinalStringDecay::SetProbCCbar( <<
564 { <<
565 ProbCCbar = aValue; <<
566 ProbCB = ProbCCbar + ProbBBbar; <<
567 } <<
568 367
569 //-------------------------------------------- << 368 //-----------------------------------------------------------------------------------------
>> 369
>> 370 G4bool G4VLongitudinalStringDecay::SplitLast(G4FragmentingString * string,
>> 371 G4KineticTrackVector * LeftVector,
>> 372 G4KineticTrackVector * RightVector)
>> 373 {
>> 374 //... perform last cluster decay
>> 375 G4ThreeVector ClusterVel =string->Get4Momentum().boostVector();
>> 376 G4double ResidualMass =string->Mass();
>> 377 G4double ClusterMassCut = ClusterMass;
>> 378 G4int cClusterInterrupt = 0;
>> 379 G4ParticleDefinition * LeftHadron, * RightHadron;
>> 380 do
>> 381 {
>> 382 if (cClusterInterrupt++ >= ClusterLoopInterrupt)
>> 383 {
>> 384 return false;
>> 385 }
>> 386 G4ParticleDefinition * quark = NULL;
>> 387 string->SetLeftPartonStable(); // to query quark contents..
>> 388 if (string->DecayIsQuark() && string->StableIsQuark() )
>> 389 {
>> 390 //... there are quarks on cluster ends
>> 391 LeftHadron= QuarkSplitup(string->GetLeftParton(), quark);
>> 392 } else {
>> 393 //... there is a Diquark on cluster ends
>> 394 G4int IsParticle;
>> 395 if ( string->StableIsQuark() ) {
>> 396 IsParticle=(string->GetLeftParton()->GetPDGEncoding()>0) ? -1 : +1;
>> 397 } else {
>> 398 IsParticle=(string->GetLeftParton()->GetPDGEncoding()>0) ? +1 : -1;
>> 399 }
>> 400 pDefPair QuarkPair = CreatePartonPair(IsParticle,false); // no diquarks wanted
>> 401 quark = QuarkPair.second;
>> 402 LeftHadron=hadronizer->Build(QuarkPair.first, string->GetLeftParton());
>> 403 }
>> 404 RightHadron = hadronizer->Build(string->GetRightParton(), quark);
570 405
571 void G4VLongitudinalStringDecay::SetProbEta_c( << 406 //... repeat procedure, if mass of cluster is too low to produce hadrons
572 { << 407 //... ClusterMassCut = 0.15*GeV model parameter
573 ProbEta_c = aValue; << 408 if ( quark->GetParticleSubType()== "quark" ) {ClusterMassCut = 0.;}
574 } << 409 else {ClusterMassCut = ClusterMass;}
>> 410 }
>> 411 while (ResidualMass <= LeftHadron->GetPDGMass() + RightHadron->GetPDGMass() + ClusterMassCut);
>> 412
>> 413 //... compute hadron momenta and energies
>> 414 G4LorentzVector LeftMom, RightMom;
>> 415 G4ThreeVector Pos;
>> 416 Sample4Momentum(&LeftMom, LeftHadron->GetPDGMass(), &RightMom, RightHadron->GetPDGMass(), ResidualMass);
>> 417 LeftMom.boost(ClusterVel);
>> 418 RightMom.boost(ClusterVel);
>> 419 LeftVector->push_back(new G4KineticTrack(LeftHadron, 0, Pos, LeftMom));
>> 420 RightVector->push_back(new G4KineticTrack(RightHadron, 0, Pos, RightMom));
575 421
576 //-------------------------------------------- << 422 return true;
577 423
578 void G4VLongitudinalStringDecay::SetProbBBbar( <<
579 { <<
580 ProbBBbar = aValue; <<
581 ProbCB = ProbCCbar + ProbBBbar; <<
582 } 424 }
583 425
584 //-------------------------------------------- << 426 //----------------------------------------------------------------------------------------------------------
585 427
586 void G4VLongitudinalStringDecay::SetProbEta_b( << 428 G4KineticTrackVector* G4VLongitudinalStringDecay::FragmentString(const G4ExcitedString& theString)
587 { 429 {
588 ProbEta_b = aValue; << 430 // Can no longer modify Parameters for Fragmentation.
589 } << 431 PastInitPhase=true;
>> 432
>> 433 // check if string has enough mass to fragment...
>> 434 G4KineticTrackVector * LeftVector=LightFragmentationTest(&theString);
>> 435 if ( LeftVector != 0 ) return LeftVector;
>> 436
>> 437 LeftVector = new G4KineticTrackVector;
>> 438 G4KineticTrackVector * RightVector=new G4KineticTrackVector;
590 439
591 //-------------------------------------------- << 440 // this should work but its only a semi deep copy. %GF G4ExcitedString theStringInCMS(theString);
>> 441 G4ExcitedString *theStringInCMS=CPExcited(theString);
>> 442 G4LorentzRotation toCms=theStringInCMS->TransformToAlignedCms();
>> 443
>> 444 G4bool success=false, inner_sucess=true;
>> 445 G4int attempt=0;
>> 446 while ( !success && attempt++ < StringLoopInterrupt )
>> 447 {
>> 448 G4FragmentingString *currentString=new G4FragmentingString(*theStringInCMS);
>> 449
>> 450 std::for_each(LeftVector->begin(), LeftVector->end(), DeleteKineticTrack());
>> 451 LeftVector->clear();
>> 452 std::for_each(RightVector->begin(), RightVector->end(), DeleteKineticTrack());
>> 453 RightVector->clear();
>> 454
>> 455 inner_sucess=true; // set false on failure..
>> 456 while (! StopFragmenting(currentString) )
>> 457 { // Split current string into hadron + new string
>> 458 G4FragmentingString *newString=0; // used as output from SplitUp...
>> 459 G4KineticTrack * Hadron=Splitup(currentString,newString);
>> 460 if ( Hadron != 0 && IsFragmentable(newString))
>> 461 {
>> 462 if ( currentString->GetDecayDirection() > 0 )
>> 463 LeftVector->push_back(Hadron);
>> 464 else
>> 465 RightVector->push_back(Hadron);
>> 466 delete currentString;
>> 467 currentString=newString;
>> 468 } else {
>> 469 // abandon ... start from the beginning
>> 470 if (newString) delete newString;
>> 471 if (Hadron) delete Hadron;
>> 472 inner_sucess=false;
>> 473 break;
>> 474 }
>> 475 }
>> 476 // Split current string into 2 final Hadrons
>> 477 if ( inner_sucess &&
>> 478 SplitLast(currentString,LeftVector, RightVector) )
>> 479 {
>> 480 success=true;
>> 481 }
>> 482 delete currentString;
>> 483 }
>> 484
>> 485 delete theStringInCMS;
>> 486
>> 487 if ( ! success )
>> 488 {
>> 489 std::for_each(LeftVector->begin(), LeftVector->end(), DeleteKineticTrack());
>> 490 LeftVector->clear();
>> 491 std::for_each(RightVector->begin(), RightVector->end(), DeleteKineticTrack());
>> 492 delete RightVector;
>> 493 return LeftVector;
>> 494 }
>> 495
>> 496 // Join Left- and RightVector into LeftVector in correct order.
>> 497 while(!RightVector->empty())
>> 498 {
>> 499 LeftVector->push_back(RightVector->back());
>> 500 RightVector->erase(RightVector->end()-1);
>> 501 }
>> 502 delete RightVector;
592 503
593 void G4VLongitudinalStringDecay::SetStringTens << 504 CalculateHadronTimePosition(theString.Get4Momentum().mag(), LeftVector);
594 { <<
595 Kappa = aValue * GeV/fermi; <<
596 } <<
597 505
598 //-------------------------------------------- << 506 G4LorentzRotation toObserverFrame(toCms.inverse());
599 507
600 void G4VLongitudinalStringDecay::SetMinMasses( << 508 for(size_t C1 = 0; C1 < LeftVector->size(); C1++)
601 { << 509 {
602 // ------ For estimation of a minimal stri << 510 G4KineticTrack* Hadron = LeftVector->operator[](C1);
603 Mass_of_light_quark =140.*MeV; << 511 G4LorentzVector Momentum = Hadron->Get4Momentum();
604 Mass_of_s_quark =500.*MeV; << 512 Momentum = toObserverFrame*Momentum;
605 Mass_of_c_quark =1600.*MeV; << 513 Hadron->Set4Momentum(Momentum);
606 Mass_of_b_quark =4500.*MeV; << 514 G4LorentzVector Coordinate(Hadron->GetPosition(), Hadron->GetFormationTime());
607 Mass_of_string_junction=720.*MeV; << 515 Momentum = toObserverFrame*Coordinate;
608 << 516 Hadron->SetFormationTime(Momentum.e());
609 // ---------------- Determination of minim << 517 G4ThreeVector aPosition(Momentum.vect());
610 G4ParticleDefinition * hadron1; G4int C << 518 Hadron->SetPosition(theString.GetPosition()+aPosition);
611 G4ParticleDefinition * hadron2; G4int C << 519 }
612 for (G4int i=1; i < 6; i++) { << 520 return LeftVector;
613 Code1 = 100*i + 10*1 + 1; << 521
614 hadron1 = FindParticle(Code1); <<
615 <<
616 if (hadron1 != nullptr) { <<
617 for (G4int j=1; j < 6; j++) { <<
618 Code2 = 100*j + 10*1 + 1; <<
619 hadron2 = FindParticle(Code2); <<
620 if (hadron2 != nullptr) { <<
621 minMassQQbarStr[i-1][j-1] = h <<
622 } <<
623 } <<
624 } <<
625 } <<
626 <<
627 minMassQQbarStr[1][1] = minMassQQbarStr[0] <<
628 522
629 // ---------------- Determination of minim <<
630 G4ParticleDefinition * hadron3; <<
631 G4int kfla, kflb; <<
632 // MaxMass = -350.0*GeV; // If there wi <<
633 523
634 for (G4int i=1; i < 6; i++) { //i=1 << 524 }
635 Code1 = 100*i + 10*1 + 1; <<
636 hadron1 = FindParticle(Code1); <<
637 for (G4int j=1; j < 6; j++) { <<
638 for (G4int k=1; k < 6; k++) { <<
639 kfla = std::max(j,k); <<
640 kflb = std::min(j,k); <<
641 525
642 // Add d-quark << 526 //----------------------------------------------------------------------------------------------------------
643 Code2 = 1000*kfla + 100*kflb + <<
644 if ( (j == 1) && (k==1)) Code2 = 1000*2 + <<
645 527
646 hadron2 = G4ParticleTable::Get << 528 G4ExcitedString *G4VLongitudinalStringDecay::CPExcited(const G4ExcitedString & in)
647 hadron3 = G4ParticleTable::Get << 529 {
>> 530 G4Parton *Left=new G4Parton(*in.GetLeftParton());
>> 531 G4Parton *Right=new G4Parton(*in.GetRightParton());
>> 532 return new G4ExcitedString(Left,Right,in.GetDirection());
>> 533 }
648 534
649 if ((hadron2 == nullptr) && (h << 535 G4double G4VLongitudinalStringDecay::FragmentationMass(
>> 536 const G4FragmentingString *
>> 537 const string,
>> 538 Pcreate build,
>> 539 pDefPair * pdefs)
>> 540 {
>> 541
>> 542 G4double mass;
650 543
651 if ((hadron2 != nullptr) && (h << 544 if ( build==0 ) build=&G4HadronBuilder::BuildLowSpin;
652 if (hadron2->GetPDGMass() > <<
653 }; <<
654 545
655 if ((hadron2 != nullptr) && (h << 546 G4ParticleDefinition *Hadron1, *Hadron2=0;
656 547
657 if ((hadron2 == nullptr) && (h << 548 if (!string->FourQuarkString() )
>> 549 {
>> 550 // spin 0 meson or spin 1/2 barion will be built
658 551
659 minMassQDiQStr[i-1][j-1][k-1] << 552 Hadron1 = (hadronizer->*build)(string->GetLeftParton(),
660 } << 553 string->GetRightParton());
>> 554 mass= (Hadron1)->GetPDGMass();
>> 555 } else
>> 556 {
>> 557 //... string is qq--qqbar: Build two stable hadrons,
>> 558 //... with extra uubar or ddbar quark pair
>> 559 G4int iflc = (G4UniformRand() < 0.5)? 1 : 2;
>> 560 if (string->GetLeftParton()->GetPDGEncoding() < 0) iflc = -iflc;
>> 561
>> 562 //... theSpin = 4; spin 3/2 baryons will be built
>> 563 Hadron1 = (hadronizer->*build)(string->GetLeftParton(),FindParticle(iflc));
>> 564 Hadron2 =(hadronizer->*build)(string->GetRightParton(),FindParticle(-iflc));
>> 565 mass = (Hadron1)->GetPDGMass() + (Hadron2)->GetPDGMass();
661 } 566 }
662 } << 567
663 << 568 if ( pdefs != 0 )
664 // ------ An estimated minimal string mass << 569 { // need to return hadrons as well....
665 MinimalStringMass = 0.; << 570 pdefs->first = Hadron1;
666 MinimalStringMass2 = 0.; << 571 pdefs->second = Hadron2;
667 // q charges d u << 572 }
668 Qcharge[0] = -1; Qcharge[1] = 2; Qcharge[2 << 573
669 << 574 return mass;
670 // For treating of small string decays << 575 }
671 for (G4int i=0; i<5; i++) <<
672 { for (G4int j=0; j<5; j++) <<
673 { for (G4int k=0; k<7; k++) <<
674 { <<
675 Meson[i][j][k]=0; MesonWeight[i][j <<
676 } <<
677 } <<
678 } <<
679 //-------------------------- <<
680 G4int StrangeQ = 0; <<
681 G4int StrangeAQ = 0; <<
682 for (G4int i=0; i<5; i++) <<
683 { <<
684 if( i >= 2 ) StrangeQ=1; <<
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 MesonWeight[i][j][0] = ( pspin_meso <<
691 Meson[i][j][1] = 100 * (std::ma <<
692 MesonWeight[i][j][1] = (1.-pspin_meso <<
693 } <<
694 } <<
695 <<
696 //qqs <<
697 //dd1 -> scalarMesonMix[0] * 111 + (1-scal <<
698 //dd1 -> Pi0 <<
699 <<
700 Meson[0][0][0] = 111; MesonWeight[0][0][0] <<
701 Meson[0][0][2] = 221; MesonWeight[0][0][3] <<
702 Meson[0][0][3] = 331; MesonWeight[0][0][4] <<
703 <<
704 //dd3 -> (1-vectorMesonMix[1] * 113 + vect <<
705 //dd3 -> rho_0 <<
706 <<
707 Meson[0][0][1] = 113; MesonWeight[0][0][1] <<
708 Meson[0][0][4] = 223; MesonWeight[0][0][4] <<
709 <<
710 //uu1 -> scalarMesonMix[0] * 111 + (1-scal <<
711 //uu1 -> Pi0 <<
712 <<
713 Meson[1][1][0] = 111; MesonWeight[1][1][0] <<
714 Meson[1][1][2] = 221; MesonWeight[1][1][2] <<
715 Meson[1][1][3] = 331; MesonWeight[1][1][3] <<
716 <<
717 //uu3 -> (1-vectorMesonMix[1]) * 113 + vec <<
718 //uu3 -> rho_0 <<
719 <<
720 Meson[1][1][1] = 113; MesonWeight[1][1][1] <<
721 Meson[1][1][4] = 223; MesonWeight[1][1][4] <<
722 <<
723 //ss1 -> <<
724 //ss1 -> <<
725 <<
726 Meson[2][2][0] = 221; MesonWeight[2][2][0] <<
727 Meson[2][2][2] = 331; MesonWeight[2][2][2] <<
728 <<
729 //ss3 -> <<
730 //ss3 -> <<
731 <<
732 Meson[2][2][1] = 333; MesonWeight[2][2][1] <<
733 <<
734 //cc1 -> ProbEta_c /(1-pspin_meson) <<
735 //cc3 -> (1-ProbEta_c)/( pspin_meson) <<
736 <<
737 //bb1 -> ProbEta_b /pspin_meson 551 <<
738 //bb3 -> (1-ProbEta_b)/pspin_meson 553 <<
739 <<
740 if ( pspin_meson[2] != 0. ) { <<
741 Meson[3][3][0] *= ( ProbEta_c)/( p <<
742 Meson[3][3][1] *= (1.0-ProbEta_c)/(1.-p <<
743 <<
744 Meson[4][4][0] *= ( ProbEta_b)/( p <<
745 Meson[4][4][1] *= (1.0-ProbEta_b)/(1.-p <<
746 } <<
747 <<
748 //-------------------------- <<
749 <<
750 for (G4int i=0; i<5; i++) <<
751 { for (G4int j=0; j<5; j++) <<
752 { for (G4int k=0; k<5; k++) <<
753 { for (G4int l=0; l<4; l++) <<
754 { Baryon[i][j][k][l]=0; BaryonWei <<
755 } <<
756 } <<
757 } <<
758 576
759 kfla =0; kflb =0; << 577 //----------------------------------------------------------------------------------------------------------
760 G4int kflc(0), kfld(0), <<
761 for (G4int i=0; i<5; i++) <<
762 { for (G4int j=0; j<5; j++) <<
763 { for (G4int k=0; k<5; k++) <<
764 { <<
765 kfla = i+1; kflb = j+1; kflc = k+1; <<
766 kfld = std::max(kfla,kflb); <<
767 kfld = std::max(kfld,kflc); <<
768 <<
769 kflf = std::min(kfla,kflb); <<
770 kflf = std::min(kflf,kflc); <<
771 <<
772 kfle = kfla + kflb + kflc - kfld - <<
773 <<
774 Baryon[i][j][k][0] = 1000 * k <<
775 BaryonWeight[i][j][k][0] = ( pspi <<
776 Baryon[i][j][k][1] = 1000 * k <<
777 BaryonWeight[i][j][k][1] = (1.-pspi <<
778 } <<
779 } <<
780 } <<
781 578
782 // Delta- ddd - only 1114 << 579 G4bool G4VLongitudinalStringDecay::IsFragmentable(const G4FragmentingString * const string)
783 Baryon[0][0][0][0] = 1114; BaryonWeight << 580 {
784 Baryon[0][0][0][1] = 0; BaryonWeight << 581 return sqr(FragmentationMass(string)+MassCut) <
785 << 582 string->Mass2();
786 // Delta++ uuu - only 2224 << 583 }
787 Baryon[1][1][1][0] = 2224; BaryonWeight <<
788 Baryon[1][1][1][1] = 0; BaryonWeight <<
789 <<
790 // Omega- sss - only 3334 <<
791 Baryon[2][2][2][0] = 3334; BaryonWeight <<
792 Baryon[2][2][2][1] = 0; BaryonWeight <<
793 <<
794 // Omega_cc++ ccc - only 4444 <<
795 Baryon[3][3][3][0] = 4444; BaryonWeight <<
796 Baryon[3][3][3][1] = 0; BaryonWeight <<
797 <<
798 // Omega_bb- bbb - only 5554 <<
799 Baryon[4][4][4][0] = 5554; BaryonWeight <<
800 Baryon[4][4][4][1] = 0; BaryonWeight <<
801 <<
802 // Lambda/Sigma0 sud - 3122/3212 <<
803 Baryon[0][1][2][0] = 3122; BaryonWeight <<
804 Baryon[0][2][1][0] = 3122; BaryonWeight <<
805 Baryon[1][0][2][0] = 3122; BaryonWeight <<
806 Baryon[1][2][0][0] = 3122; BaryonWeight <<
807 Baryon[2][0][1][0] = 3122; BaryonWeight <<
808 Baryon[2][1][0][0] = 3122; BaryonWeight <<
809 <<
810 Baryon[0][1][2][2] = 3212; BaryonWeight <<
811 Baryon[0][2][1][2] = 3212; BaryonWeight <<
812 Baryon[1][0][2][2] = 3212; BaryonWeight <<
813 Baryon[1][2][0][2] = 3212; BaryonWeight <<
814 Baryon[2][0][1][2] = 3212; BaryonWeight <<
815 Baryon[2][1][0][2] = 3212; BaryonWeight <<
816 <<
817 // Lambda_c+/Sigma_c+ cud - 4122/4212 <<
818 Baryon[0][1][3][0] = 4122; BaryonWeight <<
819 Baryon[0][3][1][0] = 4122; BaryonWeight <<
820 Baryon[1][0][3][0] = 4122; BaryonWeight <<
821 Baryon[1][3][0][0] = 4122; BaryonWeight <<
822 Baryon[3][0][1][0] = 4122; BaryonWeight <<
823 Baryon[3][1][0][0] = 4122; BaryonWeight <<
824 <<
825 Baryon[0][1][3][2] = 4212; BaryonWeight <<
826 Baryon[0][3][1][2] = 4212; BaryonWeight <<
827 Baryon[1][0][3][2] = 4212; BaryonWeight <<
828 Baryon[1][3][0][2] = 4212; BaryonWeight <<
829 Baryon[3][0][1][2] = 4212; BaryonWeight <<
830 Baryon[3][1][0][2] = 4212; BaryonWeight <<
831 <<
832 // Xi_c+/Xi_c+' cus - 4232/4322 <<
833 Baryon[1][2][3][0] = 4232; BaryonWeight <<
834 Baryon[1][3][2][0] = 4232; BaryonWeight <<
835 Baryon[2][1][3][0] = 4232; BaryonWeight <<
836 Baryon[2][3][1][0] = 4232; BaryonWeight <<
837 Baryon[3][1][2][0] = 4232; BaryonWeight <<
838 Baryon[3][2][1][0] = 4232; BaryonWeight <<
839 <<
840 Baryon[1][2][3][2] = 4322; BaryonWeight <<
841 Baryon[1][3][2][2] = 4322; BaryonWeight <<
842 Baryon[2][1][3][2] = 4322; BaryonWeight <<
843 Baryon[2][3][1][2] = 4322; BaryonWeight <<
844 Baryon[3][1][2][2] = 4322; BaryonWeight <<
845 Baryon[3][2][1][2] = 4322; BaryonWeight <<
846 <<
847 // Xi_c0/Xi_c0' cus - 4132/4312 <<
848 Baryon[0][2][3][0] = 4132; BaryonWeight <<
849 Baryon[0][3][2][0] = 4132; BaryonWeight <<
850 Baryon[2][0][3][0] = 4132; BaryonWeight <<
851 Baryon[2][3][0][0] = 4132; BaryonWeight <<
852 Baryon[3][0][2][0] = 4132; BaryonWeight <<
853 Baryon[3][2][0][0] = 4132; BaryonWeight <<
854 <<
855 Baryon[0][2][3][2] = 4312; BaryonWeight <<
856 Baryon[0][3][2][2] = 4312; BaryonWeight <<
857 Baryon[2][0][3][2] = 4312; BaryonWeight <<
858 Baryon[2][3][0][2] = 4312; BaryonWeight <<
859 Baryon[3][0][2][2] = 4312; BaryonWeight <<
860 Baryon[3][2][0][2] = 4312; BaryonWeight <<
861 <<
862 // Lambda_b0/Sigma_b0 bud - 5122/5212 <<
863 Baryon[0][1][4][0] = 5122; BaryonWeight <<
864 Baryon[0][4][1][0] = 5122; BaryonWeight <<
865 Baryon[1][0][4][0] = 5122; BaryonWeight <<
866 Baryon[1][4][0][0] = 5122; BaryonWeight <<
867 Baryon[4][0][1][0] = 5122; BaryonWeight <<
868 Baryon[4][1][0][0] = 5122; BaryonWeight <<
869 <<
870 Baryon[0][1][4][2] = 5212; BaryonWeight <<
871 Baryon[0][4][1][2] = 5212; BaryonWeight <<
872 Baryon[1][0][4][2] = 5212; BaryonWeight <<
873 Baryon[1][4][0][2] = 5212; BaryonWeight <<
874 Baryon[4][0][1][2] = 5212; BaryonWeight <<
875 Baryon[4][1][0][2] = 5212; BaryonWeight <<
876 <<
877 // Xi_b0/Xi_b0' bus - 5232/5322 <<
878 Baryon[1][2][4][0] = 5232; BaryonWeight <<
879 Baryon[1][4][2][0] = 5232; BaryonWeight <<
880 Baryon[2][1][4][0] = 5232; BaryonWeight <<
881 Baryon[2][4][1][0] = 5232; BaryonWeight <<
882 Baryon[4][1][2][0] = 5232; BaryonWeight <<
883 Baryon[4][2][1][0] = 5232; BaryonWeight <<
884 <<
885 Baryon[1][2][4][2] = 5322; BaryonWeight <<
886 Baryon[1][4][2][2] = 5322; BaryonWeight <<
887 Baryon[2][1][4][2] = 5322; BaryonWeight <<
888 Baryon[2][4][1][2] = 5322; BaryonWeight <<
889 Baryon[4][1][2][2] = 5322; BaryonWeight <<
890 Baryon[4][2][1][2] = 5322; BaryonWeight <<
891 <<
892 // Xi_b-/Xi_b-' bus - 5132/5312 <<
893 Baryon[0][2][4][0] = 5132; BaryonWeight <<
894 Baryon[0][4][2][0] = 5132; BaryonWeight <<
895 Baryon[2][0][4][0] = 5132; BaryonWeight <<
896 Baryon[2][4][0][0] = 5132; BaryonWeight <<
897 Baryon[4][0][2][0] = 5132; BaryonWeight <<
898 Baryon[4][2][0][0] = 5132; BaryonWeight <<
899 <<
900 Baryon[0][2][4][2] = 5312; BaryonWeight <<
901 Baryon[0][4][2][2] = 5312; BaryonWeight <<
902 Baryon[2][0][4][2] = 5312; BaryonWeight <<
903 Baryon[2][4][0][2] = 5312; BaryonWeight <<
904 Baryon[4][0][2][2] = 5312; BaryonWeight <<
905 Baryon[4][2][0][2] = 5312; BaryonWeight <<
906 <<
907 for (G4int i=0; i<5; i++) <<
908 { for (G4int j=0; j<5; j++) <<
909 { for (G4int k=0; k<5; k++) <<
910 { for (G4int l=0; l<4; l++) <<
911 { <<
912 G4ParticleDefinition * Te <<
913 G4ParticleTable::GetPar <<
914 /* <<
915 G4cout<<i<<" "<<j<<" "<<k <<
916 if (TestHadron != nullptr <<
917 if ((TestHadron == nullpt <<
918 if ((TestHadron == nullpt <<
919 G4cout<<G4endl; <<
920 */ <<
921 if ((TestHadron == nullpt <<
922 } <<
923 } <<
924 } <<
925 } <<
926 584
927 // --------- Probabilities of q-qbar pair << 585 //----------------------------------------------------------------------------------------------------------
928 G4double ProbUUbar = 0.33; <<
929 Prob_QQbar[0]=ProbUUbar; // Probab <<
930 Prob_QQbar[1]=ProbUUbar; // Probab <<
931 Prob_QQbar[2]=1.0-2.*ProbUUbar; // Probab <<
932 Prob_QQbar[3]=0.0; // Probab <<
933 Prob_QQbar[4]=0.0; // Probab <<
934 <<
935 for ( G4int i=0 ; i<350 ; i++ ) { // Must <<
936 FS_LeftHadron[i] = 0; <<
937 FS_RightHadron[i] = 0; <<
938 FS_Weight[i] = 0.0; <<
939 } <<
940 586
941 NumberOf_FS = 0; << 587 G4bool G4VLongitudinalStringDecay::StopFragmenting(const G4FragmentingString * const string)
>> 588 {
>> 589 return
>> 590 sqr(FragmentationMass(string,&G4HadronBuilder::BuildHighSpin)+MassCut) >
>> 591 string->Get4Momentum().mag2();
942 } 592 }
943 593
944 // ------------------------------------------- << 594 //----------------------------------------------------------------------------------------------------------
945 595
946 void G4VLongitudinalStringDecay::SetMinimalStr << 596 G4KineticTrackVector* G4VLongitudinalStringDecay::LightFragmentationTest(const
>> 597 G4ExcitedString * const string)
947 { 598 {
948 //MaxMass = -350.0*GeV; << 599 // Check string decay threshold
949 G4double EstimatedMass=MaxMass; << 600
>> 601 G4KineticTrackVector * result=0; // return 0 when string exceeds the mass cut
>> 602
>> 603 pDefPair hadrons((G4ParticleDefinition *)0,(G4ParticleDefinition *)0);
>> 604 G4FragmentingString aString(*string);
>> 605 if ( sqr(FragmentationMass(&aString,0,&hadrons)+MassCut) < aString.Mass2()) {
>> 606 return 0;
>> 607 }
>> 608
>> 609 result=new G4KineticTrackVector;
>> 610
>> 611 if ( hadrons.second ==0 )
>> 612 {
>> 613 // Substitute string by light hadron, Note that Energy is not conserved here!
>> 614
>> 615 G4ThreeVector Mom3 = string->Get4Momentum().vect();
>> 616 G4LorentzVector Mom(Mom3,
>> 617 std::sqrt(Mom3.mag2() + sqr(hadrons.first->GetPDGMass())));
>> 618 result->push_back(new G4KineticTrack(hadrons.first, 0, string->GetPosition(), Mom));
>> 619 } else
>> 620 {
>> 621 //... string was qq--qqbar type: Build two stable hadrons,
>> 622 G4LorentzVector Mom1, Mom2;
>> 623 Sample4Momentum(&Mom1, hadrons.first->GetPDGMass(),
>> 624 &Mom2,hadrons.second->GetPDGMass(),
>> 625 string->Get4Momentum().mag());
>> 626 result->push_back(new G4KineticTrack(hadrons.first, 0, string->GetPosition(), Mom1));
>> 627 result->push_back(new G4KineticTrack(hadrons.second, 0, string->GetPosition(), Mom2));
>> 628 G4ThreeVector Velocity = string->Get4Momentum().boostVector();
>> 629 result->Boost(Velocity);
>> 630 }
950 631
951 G4ParticleDefinition* LeftParton = st << 632 return result;
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 } <<
967 633
968 G4int Qleft =std::abs(string->GetLeftP << 634 }
969 G4int Qright=std::abs(string->GetRight <<
970 635
971 if ((Qleft < 6) && (Qright < 6)) { / << 636 //----------------------------------------------------------------------------------------------------------
972 EstimatedMass=minMassQQbarStr[Qleft- <<
973 MinimalStringMass=EstimatedMass; <<
974 SetMinimalStringMass2(EstimatedMass) <<
975 return; <<
976 } <<
977 637
978 if ((Qleft < 6) && (Qright > 1000)) { << 638 G4ParticleDefinition* G4VLongitudinalStringDecay::FindParticle(G4int Encoding)
979 G4int q1=Qright/1000; << 639 {
980 G4int q2=(Qright/100)%10; << 640 G4ParticleDefinition* ptr = G4ParticleTable::GetParticleTable()->FindParticle(Encoding);
981 EstimatedMass=minMassQDiQStr[Qleft-1 << 641 if (ptr == NULL)
982 MinimalStringMass=EstimatedMass; << 642 {
983 SetMinimalStringMass2(EstimatedMass) << 643 G4cout << "Particle with encoding "<<Encoding<<" does not exist!!!"<<G4endl;
984 return; << 644 throw G4HadronicException(__FILE__, __LINE__, "Check your particle table");
985 } << 645 }
>> 646 return ptr;
>> 647 }
986 648
987 if ((Qleft > 1000) && (Qright < 6)) { << 649 //----------------------------------------------------------------------------------------------------------
988 G4int q1=Qleft/1000; <<
989 G4int q2=(Qleft/100)%10; <<
990 EstimatedMass=minMassQDiQStr[Qright- <<
991 MinimalStringMass=EstimatedMass; <<
992 SetMinimalStringMass2(EstimatedMass) <<
993 return; <<
994 } <<
995 650
996 // DiQuark - Anti DiQuark string ----- << 651 void G4VLongitudinalStringDecay::Sample4Momentum(G4LorentzVector* Mom, G4double Mass, G4LorentzVector* AntiMom, G4double AntiMass, G4double InitialMass)
>> 652 {
>> 653 G4double r_val = sqr(InitialMass*InitialMass - Mass*Mass - AntiMass*AntiMass) - sqr(2.*Mass*AntiMass);
>> 654 G4double Pabs = (r_val > 0.)? std::sqrt(r_val)/(2.*InitialMass) : 0;
997 655
998 G4double StringM=string->Get4Momentum().mag( << 656 //... sample unit vector
>> 657 G4double pz = 1. - 2.*G4UniformRand();
>> 658 G4double st = std::sqrt(1. - pz * pz)*Pabs;
>> 659 G4double phi = 2.*pi*G4UniformRand();
>> 660 G4double px = st*std::cos(phi);
>> 661 G4double py = st*std::sin(phi);
>> 662 pz *= Pabs;
>> 663
>> 664 Mom->setPx(px); Mom->setPy(py); Mom->setPz(pz);
>> 665 Mom->setE(std::sqrt(Pabs*Pabs + Mass*Mass));
999 666
1000 #ifdef debug_LUNDfragmentation << 667 AntiMom->setPx(-px); AntiMom->setPy(-py); AntiMom->setPz(-pz);
1001 // G4cout<<"MinStringMass// Input Str << 668 AntiMom->setE (std::sqrt(Pabs*Pabs + AntiMass*AntiMass));
1002 #endif << 669 }
1003 670
1004 G4int q1= Qleft/1000 ; << 671 //----------------------------------------------------------------------------------------------------------
1005 G4int q2=(Qleft/100)%10 ; <<
1006 672
1007 G4int q3= Qright/1000 ; << 673 void G4VLongitudinalStringDecay::SetSigmaTransverseMomentum(G4double aValue)
1008 G4int q4=(Qright/100)%10; << 674 {
>> 675 if ( PastInitPhase ) {
>> 676 throw G4HadronicException(__FILE__, __LINE__, "4VLongitudinalStringDecay::SetSigmaTransverseMomentum after FragmentString() not allowed");
>> 677 } else {
>> 678 SigmaQT = aValue;
>> 679 }
>> 680 }
1009 681
1010 // -------------- 2 baryon production << 682 //----------------------------------------------------------------------------------------------------------
1011 683
1012 G4double EstimatedMass1 = minMassQDiQ << 684 void G4VLongitudinalStringDecay::SetStrangenessSuppression(G4double aValue)
1013 G4double EstimatedMass2 = minMassQDiQ << 685 {
1014 // Mass is negative if there is no co << 686 if ( PastInitPhase ) {
>> 687 throw G4HadronicException(__FILE__, __LINE__, "4VLongitudinalStringDecay::SetStrangenessSuppression after FragmentString() not allowed");
>> 688 } else {
>> 689 StrangeSuppress = aValue;
>> 690 }
>> 691 }
1015 692
1016 if ( (EstimatedMass1 > 0.) && (Estima << 693 //----------------------------------------------------------------------------------------------------------
1017 EstimatedMass = EstimatedMass1 + E <<
1018 if ( StringM > EstimatedMass ) { <<
1019 MinimalStringMass=EstimatedMass <<
1020 SetMinimalStringMass2(Estimated <<
1021 return; <<
1022 } <<
1023 } <<
1024 694
1025 if ( (EstimatedMass1 < 0.) && (Estima << 695 void G4VLongitudinalStringDecay::SetDiquarkSuppression(G4double aValue)
1026 EstimatedMass = MaxMass; << 696 {
1027 MinimalStringMass=EstimatedMass; << 697 if ( PastInitPhase ) {
1028 SetMinimalStringMass2(EstimatedMas << 698 throw G4HadronicException(__FILE__, __LINE__, "4VLongitudinalStringDecay::SetDiquarkSuppression after FragmentString() not allowed");
1029 return; << 699 } else {
1030 } << 700 DiquarkSuppress = aValue;
>> 701 }
>> 702 }
1031 703
1032 if ( (EstimatedMass1 > 0.) && (Estima << 704 void G4VLongitudinalStringDecay::SetDiquarkBreakProbability(G4double aValue)
1033 EstimatedMass = EstimatedMass1; << 705 {
1034 MinimalStringMass=EstimatedMass; << 706 if ( PastInitPhase ) {
1035 SetMinimalStringMass2(EstimatedMas << 707 throw G4HadronicException(__FILE__, __LINE__, "4VLongitudinalStringDecay::SetDiquarkBreakProbability after FragmentString() not allowed");
1036 return; << 708 } else {
1037 } << 709 DiquarkBreakProb = aValue;
>> 710 }
>> 711 }
1038 712
1039 // if ( EstimatedMass >= StringM << 713 //----------------------------------------------------------------------------------------------------------
1040 // ------------- Re-orangement ------ <<
1041 EstimatedMass=std::min(minMassQQbarSt <<
1042 minMassQQbarSt <<
1043 714
1044 // In principle, re-arrangement and 2 << 715 void G4VLongitudinalStringDecay::SetVectorMesonProbability(G4double aValue)
1045 // More physics consideration is need << 716 {
>> 717 if ( PastInitPhase ) {
>> 718 throw G4HadronicException(__FILE__, __LINE__, "4VLongitudinalStringDecay::SetVectorMesonProbability after FragmentString() not allowed");
>> 719 } else {
>> 720 pspin_meson = aValue;
>> 721 delete hadronizer;
>> 722 hadronizer = new G4HadronBuilder(pspin_meson,pspin_barion,
>> 723 scalarMesonMix,vectorMesonMix);
>> 724 }
>> 725 }
1046 726
1047 MinimalStringMass=EstimatedMass; << 727 //----------------------------------------------------------------------------------------------------------
1048 SetMinimalStringMass2(EstimatedMass); <<
1049 728
1050 return; << 729 void G4VLongitudinalStringDecay::SetSpinThreeHalfBarionProbability(G4double aValue)
>> 730 {
>> 731 if ( PastInitPhase ) {
>> 732 throw G4HadronicException(__FILE__, __LINE__, "4VLongitudinalStringDecay::SetSpinThreeHalfBarionProbability after FragmentString() not allowed");
>> 733 } else {
>> 734 pspin_barion = aValue;
>> 735 delete hadronizer;
>> 736 hadronizer = new G4HadronBuilder(pspin_meson,pspin_barion,
>> 737 scalarMesonMix,vectorMesonMix);
>> 738 }
1051 } 739 }
1052 740
1053 //------------------------------------------- << 741 //----------------------------------------------------------------------------------------------------------
1054 742
1055 void G4VLongitudinalStringDecay::SetMinimalSt << 743 void G4VLongitudinalStringDecay::SetScalarMesonMixings(std::vector<G4double> aVector)
1056 { 744 {
1057 MinimalStringMass2=aValue * aValue; << 745 if ( PastInitPhase ) {
>> 746 throw G4HadronicException(__FILE__, __LINE__, "4VLongitudinalStringDecay::SetScalarMesonMixings after FragmentString() not allowed");
>> 747 } else {
>> 748 if ( aVector.size() < 6 )
>> 749 throw G4HadronicException(__FILE__, __LINE__, "4VLongitudinalStringDecay::SetScalarMesonMixings( argument Vector too small");
>> 750 scalarMesonMix[0] = aVector[0];
>> 751 scalarMesonMix[1] = aVector[1];
>> 752 scalarMesonMix[2] = aVector[2];
>> 753 scalarMesonMix[3] = aVector[3];
>> 754 scalarMesonMix[4] = aVector[4];
>> 755 scalarMesonMix[5] = aVector[5];
>> 756 delete hadronizer;
>> 757 hadronizer = new G4HadronBuilder(pspin_meson,pspin_barion,
>> 758 scalarMesonMix,vectorMesonMix);
>> 759 }
1058 } 760 }
1059 761
>> 762 //----------------------------------------------------------------------------------------------------------
>> 763
>> 764 void G4VLongitudinalStringDecay::SetVectorMesonMixings(std::vector<G4double> aVector)
>> 765 {
>> 766 if ( PastInitPhase ) {
>> 767 throw G4HadronicException(__FILE__, __LINE__, "4VLongitudinalStringDecay::SetVectorMesonMixings after FragmentString() not allowed");
>> 768 } else {
>> 769 if ( aVector.size() < 6 )
>> 770 throw G4HadronicException(__FILE__, __LINE__, "4VLongitudinalStringDecay::SetVectorMesonMixings( argument Vector too small");
>> 771 vectorMesonMix[0] = aVector[0];
>> 772 vectorMesonMix[1] = aVector[1];
>> 773 vectorMesonMix[2] = aVector[2];
>> 774 vectorMesonMix[3] = aVector[3];
>> 775 vectorMesonMix[4] = aVector[4];
>> 776 vectorMesonMix[5] = aVector[5];
>> 777 delete hadronizer;
>> 778 hadronizer = new G4HadronBuilder(pspin_meson,pspin_barion,
>> 779 scalarMesonMix,vectorMesonMix);
>> 780
>> 781 }
>> 782 }
>> 783 //*******************************************************************************************************
1060 784