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26 // $Id: G4NuElNucleusCcModel.cc 91806 2015-08- 26 // $Id: G4NuElNucleusCcModel.cc 91806 2015-08-06 12:20:45Z gcosmo $
27 // 27 //
28 // Geant4 Header : G4NuElNucleusCcModel 28 // Geant4 Header : G4NuElNucleusCcModel
29 // 29 //
30 // Author : V.Grichine 12.2.19 30 // Author : V.Grichine 12.2.19
31 // 31 //
32 32
33 #include <iostream> 33 #include <iostream>
34 #include <fstream> 34 #include <fstream>
35 #include <sstream> 35 #include <sstream>
36 36
37 #include "G4NuElNucleusCcModel.hh" 37 #include "G4NuElNucleusCcModel.hh"
38 // #include "G4NuMuNuclCcDistrKR.hh" 38 // #include "G4NuMuNuclCcDistrKR.hh"
39 39
40 // #include "G4NuMuResQX.hh" 40 // #include "G4NuMuResQX.hh"
41 41
42 #include "G4SystemOfUnits.hh" 42 #include "G4SystemOfUnits.hh"
43 #include "G4ParticleTable.hh" 43 #include "G4ParticleTable.hh"
44 #include "G4ParticleDefinition.hh" 44 #include "G4ParticleDefinition.hh"
45 #include "G4IonTable.hh" 45 #include "G4IonTable.hh"
46 #include "Randomize.hh" 46 #include "Randomize.hh"
47 #include "G4RandomDirection.hh" 47 #include "G4RandomDirection.hh"
48 // #include "G4Threading.hh" 48 // #include "G4Threading.hh"
49 49
50 // #include "G4Integrator.hh" 50 // #include "G4Integrator.hh"
51 #include "G4DataVector.hh" 51 #include "G4DataVector.hh"
52 #include "G4PhysicsTable.hh" 52 #include "G4PhysicsTable.hh"
53 /* 53 /*
54 #include "G4CascadeInterface.hh" 54 #include "G4CascadeInterface.hh"
55 // #include "G4BinaryCascade.hh" 55 // #include "G4BinaryCascade.hh"
56 #include "G4TheoFSGenerator.hh" 56 #include "G4TheoFSGenerator.hh"
57 #include "G4LundStringFragmentation.hh" 57 #include "G4LundStringFragmentation.hh"
58 #include "G4ExcitedStringDecay.hh" 58 #include "G4ExcitedStringDecay.hh"
59 #include "G4FTFModel.hh" 59 #include "G4FTFModel.hh"
60 // #include "G4BinaryCascade.hh" 60 // #include "G4BinaryCascade.hh"
61 #include "G4HadFinalState.hh" 61 #include "G4HadFinalState.hh"
62 #include "G4HadSecondary.hh" 62 #include "G4HadSecondary.hh"
63 #include "G4HadronicInteractionRegistry.hh" 63 #include "G4HadronicInteractionRegistry.hh"
64 // #include "G4INCLXXInterface.hh" 64 // #include "G4INCLXXInterface.hh"
65 #include "G4QGSModel.hh" 65 #include "G4QGSModel.hh"
66 #include "G4QGSMFragmentation.hh" 66 #include "G4QGSMFragmentation.hh"
67 #include "G4QGSParticipants.hh" 67 #include "G4QGSParticipants.hh"
68 */ 68 */
69 #include "G4KineticTrack.hh" 69 #include "G4KineticTrack.hh"
70 #include "G4DecayKineticTracks.hh" 70 #include "G4DecayKineticTracks.hh"
71 #include "G4KineticTrackVector.hh" 71 #include "G4KineticTrackVector.hh"
72 #include "G4Fragment.hh" 72 #include "G4Fragment.hh"
73 #include "G4NucleiProperties.hh" 73 #include "G4NucleiProperties.hh"
74 #include "G4ReactionProductVector.hh" 74 #include "G4ReactionProductVector.hh"
75 75
76 #include "G4GeneratorPrecompoundInterface.hh" 76 #include "G4GeneratorPrecompoundInterface.hh"
77 #include "G4PreCompoundModel.hh" 77 #include "G4PreCompoundModel.hh"
78 #include "G4ExcitationHandler.hh" 78 #include "G4ExcitationHandler.hh"
79 79
80 80
81 #include "G4Electron.hh" 81 #include "G4Electron.hh"
82 // #include "G4MuonPlus.hh" 82 // #include "G4MuonPlus.hh"
83 #include "G4Nucleus.hh" 83 #include "G4Nucleus.hh"
84 #include "G4LorentzVector.hh" 84 #include "G4LorentzVector.hh"
85 85
86 using namespace std; 86 using namespace std;
87 using namespace CLHEP; 87 using namespace CLHEP;
88 88
89 #ifdef G4MULTITHREADED 89 #ifdef G4MULTITHREADED
90 G4Mutex G4NuElNucleusCcModel::numuNucleusM 90 G4Mutex G4NuElNucleusCcModel::numuNucleusModel = G4MUTEX_INITIALIZER;
91 #endif 91 #endif
92 92
93 93
94 G4NuElNucleusCcModel::G4NuElNucleusCcModel(con 94 G4NuElNucleusCcModel::G4NuElNucleusCcModel(const G4String& name)
95 : G4NeutrinoNucleusModel(name) 95 : G4NeutrinoNucleusModel(name)
96 { 96 {
97 theElectron = G4Electron::Electron(); 97 theElectron = G4Electron::Electron();
98 fData = fMaster = false; 98 fData = fMaster = false;
99 fMel = electron_mass_c2; 99 fMel = electron_mass_c2;
100 InitialiseModel(); 100 InitialiseModel();
101 } 101 }
102 102
103 103
104 G4NuElNucleusCcModel::~G4NuElNucleusCcModel() 104 G4NuElNucleusCcModel::~G4NuElNucleusCcModel()
105 {} 105 {}
106 106
107 107
108 void G4NuElNucleusCcModel::ModelDescription(st 108 void G4NuElNucleusCcModel::ModelDescription(std::ostream& outFile) const
109 { 109 {
110 110
111 outFile << "G4NuElNucleusCcModel is a neut 111 outFile << "G4NuElNucleusCcModel is a neutrino-nucleus (charge current) scattering\n"
112 << "model which uses the standard 112 << "model which uses the standard model \n"
113 << "transfer parameterization. Th 113 << "transfer parameterization. The model is fully relativistic\n";
114 114
115 } 115 }
116 116
117 ////////////////////////////////////////////// 117 /////////////////////////////////////////////////////////
118 // 118 //
119 // Read data from G4PARTICLEXSDATA (locally PA 119 // Read data from G4PARTICLEXSDATA (locally PARTICLEXSDATA)
120 120
121 void G4NuElNucleusCcModel::InitialiseModel() 121 void G4NuElNucleusCcModel::InitialiseModel()
122 { 122 {
123 G4String pName = "nu_e"; 123 G4String pName = "nu_e";
124 124
125 G4int nSize(0), i(0), j(0), k(0); 125 G4int nSize(0), i(0), j(0), k(0);
126 126
127 if(!fData) 127 if(!fData)
128 { 128 {
129 #ifdef G4MULTITHREADED 129 #ifdef G4MULTITHREADED
130 G4MUTEXLOCK(&numuNucleusModel); 130 G4MUTEXLOCK(&numuNucleusModel);
131 if(!fData) 131 if(!fData)
132 { 132 {
133 #endif 133 #endif
134 fMaster = true; 134 fMaster = true;
135 #ifdef G4MULTITHREADED 135 #ifdef G4MULTITHREADED
136 } 136 }
137 G4MUTEXUNLOCK(&numuNucleusModel); 137 G4MUTEXUNLOCK(&numuNucleusModel);
138 #endif 138 #endif
139 } 139 }
140 140
141 if(fMaster) 141 if(fMaster)
142 { 142 {
143 const char* path = G4FindDataDir("G4PARTIC << 143 char* path = getenv("G4PARTICLEXSDATA");
144 std::ostringstream ost1, ost2, ost3, ost4; 144 std::ostringstream ost1, ost2, ost3, ost4;
145 ost1 << path << "/" << "neutrino" << "/" < 145 ost1 << path << "/" << "neutrino" << "/" << pName << "/xarraycckr";
146 146
147 std::ifstream filein1( ost1.str().c_str() 147 std::ifstream filein1( ost1.str().c_str() );
148 148
149 // filein.open("$PARTICLEXSDATA/"); 149 // filein.open("$PARTICLEXSDATA/");
150 150
151 filein1>>nSize; 151 filein1>>nSize;
152 152
153 for( k = 0; k < fNbin; ++k ) 153 for( k = 0; k < fNbin; ++k )
154 { 154 {
155 for( i = 0; i <= fNbin; ++i ) 155 for( i = 0; i <= fNbin; ++i )
156 { 156 {
157 filein1 >> fNuMuXarrayKR[k][i]; 157 filein1 >> fNuMuXarrayKR[k][i];
158 // G4cout<< fNuMuXarrayKR[k][i] << " 158 // G4cout<< fNuMuXarrayKR[k][i] << " ";
159 } 159 }
160 } 160 }
161 // G4cout<<G4endl<<G4endl; 161 // G4cout<<G4endl<<G4endl;
162 162
163 ost2 << path << "/" << "neutrino" << "/" < 163 ost2 << path << "/" << "neutrino" << "/" << pName << "/xdistrcckr";
164 std::ifstream filein2( ost2.str().c_str() 164 std::ifstream filein2( ost2.str().c_str() );
165 165
166 filein2>>nSize; 166 filein2>>nSize;
167 167
168 for( k = 0; k < fNbin; ++k ) 168 for( k = 0; k < fNbin; ++k )
169 { 169 {
170 for( i = 0; i < fNbin; ++i ) 170 for( i = 0; i < fNbin; ++i )
171 { 171 {
172 filein2 >> fNuMuXdistrKR[k][i]; 172 filein2 >> fNuMuXdistrKR[k][i];
173 // G4cout<< fNuMuXdistrKR[k][i] << " 173 // G4cout<< fNuMuXdistrKR[k][i] << " ";
174 } 174 }
175 } 175 }
176 // G4cout<<G4endl<<G4endl; 176 // G4cout<<G4endl<<G4endl;
177 177
178 ost3 << path << "/" << "neutrino" << "/" < 178 ost3 << path << "/" << "neutrino" << "/" << pName << "/q2arraycckr";
179 std::ifstream filein3( ost3.str().c_str() 179 std::ifstream filein3( ost3.str().c_str() );
180 180
181 filein3>>nSize; 181 filein3>>nSize;
182 182
183 for( k = 0; k < fNbin; ++k ) 183 for( k = 0; k < fNbin; ++k )
184 { 184 {
185 for( i = 0; i <= fNbin; ++i ) 185 for( i = 0; i <= fNbin; ++i )
186 { 186 {
187 for( j = 0; j <= fNbin; ++j ) 187 for( j = 0; j <= fNbin; ++j )
188 { 188 {
189 filein3 >> fNuMuQarrayKR[k][i][j]; 189 filein3 >> fNuMuQarrayKR[k][i][j];
190 // G4cout<< fNuMuQarrayKR[k][i][j] < 190 // G4cout<< fNuMuQarrayKR[k][i][j] << " ";
191 } 191 }
192 } 192 }
193 } 193 }
194 // G4cout<<G4endl<<G4endl; 194 // G4cout<<G4endl<<G4endl;
195 195
196 ost4 << path << "/" << "neutrino" << "/" < 196 ost4 << path << "/" << "neutrino" << "/" << pName << "/q2distrcckr";
197 std::ifstream filein4( ost4.str().c_str() 197 std::ifstream filein4( ost4.str().c_str() );
198 198
199 filein4>>nSize; 199 filein4>>nSize;
200 200
201 for( k = 0; k < fNbin; ++k ) 201 for( k = 0; k < fNbin; ++k )
202 { 202 {
203 for( i = 0; i <= fNbin; ++i ) 203 for( i = 0; i <= fNbin; ++i )
204 { 204 {
205 for( j = 0; j < fNbin; ++j ) 205 for( j = 0; j < fNbin; ++j )
206 { 206 {
207 filein4 >> fNuMuQdistrKR[k][i][j]; 207 filein4 >> fNuMuQdistrKR[k][i][j];
208 // G4cout<< fNuMuQdistrKR[k][i][j] < 208 // G4cout<< fNuMuQdistrKR[k][i][j] << " ";
209 } 209 }
210 } 210 }
211 } 211 }
212 fData = true; 212 fData = true;
213 } 213 }
214 } 214 }
215 215
216 ////////////////////////////////////////////// 216 /////////////////////////////////////////////////////////
217 217
218 G4bool G4NuElNucleusCcModel::IsApplicable(cons 218 G4bool G4NuElNucleusCcModel::IsApplicable(const G4HadProjectile & aPart,
219 G4Nucleus & ) << 219 G4Nucleus & targetNucleus)
220 { 220 {
221 G4bool result = false; 221 G4bool result = false;
222 G4String pName = aPart.GetDefinition()->GetP 222 G4String pName = aPart.GetDefinition()->GetParticleName();
223 G4double energy = aPart.GetTotalEnergy(); 223 G4double energy = aPart.GetTotalEnergy();
224 fMinNuEnergy = GetMinNuElEnergy(); 224 fMinNuEnergy = GetMinNuElEnergy();
225 225
226 if( pName == "nu_e" 226 if( pName == "nu_e"
227 && 227 &&
228 energy > fMinNuEnergy 228 energy > fMinNuEnergy )
229 { 229 {
230 result = true; 230 result = true;
231 } 231 }
>> 232 G4int Z = targetNucleus.GetZ_asInt();
>> 233 Z *= 1;
232 234
233 return result; 235 return result;
234 } 236 }
235 237
236 /////////////////////////////////////////// Cl 238 /////////////////////////////////////////// ClusterDecay ////////////////////////////////////////////////////////////
237 // 239 //
238 // 240 //
239 241
240 G4HadFinalState* G4NuElNucleusCcModel::ApplyYo 242 G4HadFinalState* G4NuElNucleusCcModel::ApplyYourself(
241 const G4HadProjectile& aTrack, G4Nucleus& 243 const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
242 { 244 {
243 theParticleChange.Clear(); 245 theParticleChange.Clear();
244 fProton = f2p2h = fBreak = false; 246 fProton = f2p2h = fBreak = false;
245 fCascade = fString = false; 247 fCascade = fString = false;
246 fLVh = fLVl = fLVt = fLVcpi = G4LorentzVecto 248 fLVh = fLVl = fLVt = fLVcpi = G4LorentzVector(0.,0.,0.,0.);
247 249
248 const G4HadProjectile* aParticle = &aTrack; 250 const G4HadProjectile* aParticle = &aTrack;
249 G4double energy = aParticle->GetTotalEnergy( 251 G4double energy = aParticle->GetTotalEnergy();
250 252
251 G4String pName = aParticle->GetDefinition() 253 G4String pName = aParticle->GetDefinition()->GetParticleName();
252 254
253 if( energy < fMinNuEnergy ) 255 if( energy < fMinNuEnergy )
254 { 256 {
255 theParticleChange.SetEnergyChange(energy); 257 theParticleChange.SetEnergyChange(energy);
256 theParticleChange.SetMomentumChange(aTrack 258 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
257 return &theParticleChange; 259 return &theParticleChange;
258 } 260 }
259 261
260 SampleLVkr( aTrack, targetNucleus); 262 SampleLVkr( aTrack, targetNucleus);
261 263
262 if( fBreak == true || fEmu < fMel ) // ~5*10 264 if( fBreak == true || fEmu < fMel ) // ~5*10^-6
263 { 265 {
264 // G4cout<<"ni, "; 266 // G4cout<<"ni, ";
265 theParticleChange.SetEnergyChange(energy); 267 theParticleChange.SetEnergyChange(energy);
266 theParticleChange.SetMomentumChange(aTrack 268 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
267 return &theParticleChange; 269 return &theParticleChange;
268 } 270 }
269 271
270 // LVs of initial state 272 // LVs of initial state
271 273
272 G4LorentzVector lvp1 = aParticle->Get4Moment 274 G4LorentzVector lvp1 = aParticle->Get4Momentum();
273 G4LorentzVector lvt1( 0., 0., 0., fM1 ); 275 G4LorentzVector lvt1( 0., 0., 0., fM1 );
274 G4double mPip = G4ParticleTable::GetParticle 276 G4double mPip = G4ParticleTable::GetParticleTable()->FindParticle(211)->GetPDGMass();
275 277
276 // 1-pi by fQtransfer && nu-energy 278 // 1-pi by fQtransfer && nu-energy
277 G4LorentzVector lvpip1( 0., 0., 0., mPip ); 279 G4LorentzVector lvpip1( 0., 0., 0., mPip );
278 G4LorentzVector lvsum, lv2, lvX; 280 G4LorentzVector lvsum, lv2, lvX;
279 G4ThreeVector eP; 281 G4ThreeVector eP;
280 G4double cost(1.), sint(0.), phi(0.), muMom( 282 G4double cost(1.), sint(0.), phi(0.), muMom(0.), massX2(0.), massX(0.), massR(0.), eCut(0.);
281 G4DynamicParticle* aLept = nullptr; // lepto 283 G4DynamicParticle* aLept = nullptr; // lepton lv
282 284
283 G4int Z = targetNucleus.GetZ_asInt(); 285 G4int Z = targetNucleus.GetZ_asInt();
284 G4int A = targetNucleus.GetA_asInt(); 286 G4int A = targetNucleus.GetA_asInt();
285 G4double mTarg = targetNucleus.AtomicMass(A 287 G4double mTarg = targetNucleus.AtomicMass(A,Z);
286 G4int pdgP(0), qB(0); 288 G4int pdgP(0), qB(0);
287 // G4double mSum = G4ParticleTable::GetParti 289 // G4double mSum = G4ParticleTable::GetParticleTable()->FindParticle(2212)->GetPDGMass() + mPip;
288 290
289 G4int iPi = GetOnePionIndex(energy); 291 G4int iPi = GetOnePionIndex(energy);
290 G4double p1pi = GetNuMuOnePionProb( iPi, ene 292 G4double p1pi = GetNuMuOnePionProb( iPi, energy);
291 293
292 if( p1pi > G4UniformRand() && fCosTheta > 0 294 if( p1pi > G4UniformRand() && fCosTheta > 0.9 ) // && fQtransfer < 0.95*GeV ) // mu- & coherent pion + nucleus
293 { 295 {
294 // lvsum = lvp1 + lvpip1; 296 // lvsum = lvp1 + lvpip1;
295 lvsum = lvp1 + lvt1; 297 lvsum = lvp1 + lvt1;
296 // cost = fCosThetaPi; 298 // cost = fCosThetaPi;
297 cost = fCosTheta; 299 cost = fCosTheta;
298 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 300 sint = std::sqrt( (1.0 - cost)*(1.0 + cost) );
299 phi = G4UniformRand()*CLHEP::twopi; 301 phi = G4UniformRand()*CLHEP::twopi;
300 eP = G4ThreeVector( sint*std::cos(phi), 302 eP = G4ThreeVector( sint*std::cos(phi), sint*std::sin(phi), cost );
301 303
302 // muMom = sqrt(fEmuPi*fEmuPi-fMel*fMel); 304 // muMom = sqrt(fEmuPi*fEmuPi-fMel*fMel);
303 muMom = sqrt(fEmu*fEmu-fMel*fMel); 305 muMom = sqrt(fEmu*fEmu-fMel*fMel);
304 306
305 eP *= muMom; 307 eP *= muMom;
306 308
307 // lv2 = G4LorentzVector( eP, fEmuPi ); 309 // lv2 = G4LorentzVector( eP, fEmuPi );
308 // lv2 = G4LorentzVector( eP, fEmu ); 310 // lv2 = G4LorentzVector( eP, fEmu );
309 lv2 = fLVl; 311 lv2 = fLVl;
310 312
311 // lvX = lvsum - lv2; 313 // lvX = lvsum - lv2;
312 lvX = fLVh; 314 lvX = fLVh;
313 massX2 = lvX.m2(); 315 massX2 = lvX.m2();
314 massX = lvX.m(); 316 massX = lvX.m();
315 massR = fLVt.m(); 317 massR = fLVt.m();
316 318
317 if ( massX2 <= 0. ) // vmg: very rarely ~ 319 if ( massX2 <= 0. ) // vmg: very rarely ~ (1-4)e-6 due to big Q2/x, to be improved
318 { 320 {
319 fCascade = true; 321 fCascade = true;
320 theParticleChange.SetEnergyChange(energy 322 theParticleChange.SetEnergyChange(energy);
321 theParticleChange.SetMomentumChange(aTra 323 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
322 return &theParticleChange; 324 return &theParticleChange;
323 } 325 }
324 fW2 = massX2; 326 fW2 = massX2;
325 327
326 if( pName == "nu_e" ) aLept = new 328 if( pName == "nu_e" ) aLept = new G4DynamicParticle( theElectron, lv2 );
327 else 329 else
328 { 330 {
329 theParticleChange.SetEnergyChange(energy 331 theParticleChange.SetEnergyChange(energy);
330 theParticleChange.SetMomentumChange(aTra 332 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
331 return &theParticleChange; 333 return &theParticleChange;
332 } 334 }
333 if( pName == "nu_e" ) pdgP = 211; 335 if( pName == "nu_e" ) pdgP = 211;
334 // else pdgP = -211; 336 // else pdgP = -211;
335 // eCut = fMpi + 0.5*(fMpi*fMpi-massX2)/mT 337 // eCut = fMpi + 0.5*(fMpi*fMpi-massX2)/mTarg; // massX -> fMpi
336 338
337 if( A > 1 ) 339 if( A > 1 )
338 { 340 {
339 eCut = (fMpi + mTarg)*(fMpi + mTarg) - ( 341 eCut = (fMpi + mTarg)*(fMpi + mTarg) - (massX + massR)*(massX + massR);
340 eCut /= 2.*massR; 342 eCut /= 2.*massR;
341 eCut += massX; 343 eCut += massX;
342 } 344 }
343 else eCut = fM1 + fMpi; 345 else eCut = fM1 + fMpi;
344 346
345 if ( lvX.e() > eCut ) // && sqrt( GetW2() 347 if ( lvX.e() > eCut ) // && sqrt( GetW2() ) < 1.4*GeV ) //
346 { 348 {
347 CoherentPion( lvX, pdgP, targetNucleus); 349 CoherentPion( lvX, pdgP, targetNucleus);
348 } 350 }
349 else 351 else
350 { 352 {
351 fCascade = true; 353 fCascade = true;
352 theParticleChange.SetEnergyChange(energy 354 theParticleChange.SetEnergyChange(energy);
353 theParticleChange.SetMomentumChange(aTra 355 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
354 return &theParticleChange; 356 return &theParticleChange;
355 } 357 }
356 theParticleChange.AddSecondary( aLept, fSe << 358 theParticleChange.AddSecondary( aLept );
357 359
358 return &theParticleChange; 360 return &theParticleChange;
359 } 361 }
360 else // lepton part in lab 362 else // lepton part in lab
361 { 363 {
362 lvsum = lvp1 + lvt1; 364 lvsum = lvp1 + lvt1;
363 cost = fCosTheta; 365 cost = fCosTheta;
364 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 366 sint = std::sqrt( (1.0 - cost)*(1.0 + cost) );
365 phi = G4UniformRand()*CLHEP::twopi; 367 phi = G4UniformRand()*CLHEP::twopi;
366 eP = G4ThreeVector( sint*std::cos(phi), 368 eP = G4ThreeVector( sint*std::cos(phi), sint*std::sin(phi), cost );
367 369
368 muMom = sqrt(fEmu*fEmu-fMel*fMel); 370 muMom = sqrt(fEmu*fEmu-fMel*fMel);
369 371
370 eP *= muMom; 372 eP *= muMom;
371 373
372 lv2 = G4LorentzVector( eP, fEmu ); 374 lv2 = G4LorentzVector( eP, fEmu );
373 lv2 = fLVl; 375 lv2 = fLVl;
374 lvX = lvsum - lv2; 376 lvX = lvsum - lv2;
375 lvX = fLVh; 377 lvX = fLVh;
376 massX2 = lvX.m2(); 378 massX2 = lvX.m2();
377 379
378 if ( massX2 <= 0. ) // vmg: very rarely ~ 380 if ( massX2 <= 0. ) // vmg: very rarely ~ (1-4)e-6 due to big Q2/x, to be improved
379 { 381 {
380 fCascade = true; 382 fCascade = true;
381 theParticleChange.SetEnergyChange(energy 383 theParticleChange.SetEnergyChange(energy);
382 theParticleChange.SetMomentumChange(aTra 384 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
383 return &theParticleChange; 385 return &theParticleChange;
384 } 386 }
385 fW2 = massX2; 387 fW2 = massX2;
386 388
387 if( pName == "nu_e" ) aLept = new 389 if( pName == "nu_e" ) aLept = new G4DynamicParticle( theElectron, lv2 );
388 else 390 else
389 { 391 {
390 theParticleChange.SetEnergyChange(energy 392 theParticleChange.SetEnergyChange(energy);
391 theParticleChange.SetMomentumChange(aTra 393 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
392 return &theParticleChange; 394 return &theParticleChange;
393 } 395 }
394 theParticleChange.AddSecondary( aLept, fSe << 396 theParticleChange.AddSecondary( aLept );
395 } 397 }
396 398
397 // hadron part 399 // hadron part
398 400
399 fRecoil = nullptr; 401 fRecoil = nullptr;
400 402
401 if( A == 1 ) 403 if( A == 1 )
402 { 404 {
403 if( pName == "nu_e" ) qB = 2; 405 if( pName == "nu_e" ) qB = 2;
404 // else qB = 0; 406 // else qB = 0;
405 407
406 // if( G4UniformRand() > 0.1 ) // > 0.999 408 // if( G4UniformRand() > 0.1 ) // > 0.9999 ) // > 0.0001 ) //
407 { 409 {
408 ClusterDecay( lvX, qB ); 410 ClusterDecay( lvX, qB );
409 } 411 }
410 return &theParticleChange; 412 return &theParticleChange;
411 } 413 }
412 /* 414 /*
413 // else 415 // else
414 { 416 {
415 if( pName == "nu_mu" ) pdgP = 211; 417 if( pName == "nu_mu" ) pdgP = 211;
416 else pdgP = -211; 418 else pdgP = -211;
417 419
418 420
419 if ( fQtransfer < 0.95*GeV ) // < 0.35*G 421 if ( fQtransfer < 0.95*GeV ) // < 0.35*GeV ) //
420 { 422 {
421 if( lvX.m() > mSum ) CoherentPion( lvX, pdgP 423 if( lvX.m() > mSum ) CoherentPion( lvX, pdgP, targetNucleus);
422 } 424 }
423 } 425 }
424 return &theParticleChange; 426 return &theParticleChange;
425 } 427 }
426 */ 428 */
427 G4Nucleus recoil; 429 G4Nucleus recoil;
428 G4double rM(0.), ratio = G4double(Z)/G4doubl 430 G4double rM(0.), ratio = G4double(Z)/G4double(A);
429 431
430 if( ratio > G4UniformRand() ) // proton is e 432 if( ratio > G4UniformRand() ) // proton is excited
431 { 433 {
432 fProton = true; 434 fProton = true;
433 recoil = G4Nucleus(A-1,Z-1); 435 recoil = G4Nucleus(A-1,Z-1);
434 fRecoil = &recoil; 436 fRecoil = &recoil;
435 rM = recoil.AtomicMass(A-1,Z-1); 437 rM = recoil.AtomicMass(A-1,Z-1);
436 438
437 if( pName == "nu_e" ) // (++) state -> p + 439 if( pName == "nu_e" ) // (++) state -> p + pi+
438 { 440 {
439 fMt = G4ParticleTable::GetParticleTable( 441 fMt = G4ParticleTable::GetParticleTable()->FindParticle(2212)->GetPDGMass()
440 + G4ParticleTable::GetParticleTable( 442 + G4ParticleTable::GetParticleTable()->FindParticle(211)->GetPDGMass();
441 } 443 }
442 else // (0) state -> p + pi-, n + pi0 444 else // (0) state -> p + pi-, n + pi0
443 { 445 {
444 // fMt = G4ParticleTable::GetParticleTab 446 // fMt = G4ParticleTable::GetParticleTable()->FindParticle(2212)->GetPDGMass()
445 // + G4ParticleTable::GetParticleTab 447 // + G4ParticleTable::GetParticleTable()->FindParticle(-211)->GetPDGMass();
446 } 448 }
447 } 449 }
448 else // excited neutron 450 else // excited neutron
449 { 451 {
450 fProton = false; 452 fProton = false;
451 recoil = G4Nucleus(A-1,Z); 453 recoil = G4Nucleus(A-1,Z);
452 fRecoil = &recoil; 454 fRecoil = &recoil;
453 rM = recoil.AtomicMass(A-1,Z); 455 rM = recoil.AtomicMass(A-1,Z);
454 456
455 if( pName == "nu_e" ) // (+) state -> n + 457 if( pName == "nu_e" ) // (+) state -> n + pi+
456 { 458 {
457 fMt = G4ParticleTable::GetParticleTable( 459 fMt = G4ParticleTable::GetParticleTable()->FindParticle(2112)->GetPDGMass()
458 + G4ParticleTable::GetParticleTable( 460 + G4ParticleTable::GetParticleTable()->FindParticle(211)->GetPDGMass();
459 } 461 }
460 else // (-) state -> n + pi-, // n + pi0 462 else // (-) state -> n + pi-, // n + pi0
461 { 463 {
462 // fMt = G4ParticleTable::GetParticleTab 464 // fMt = G4ParticleTable::GetParticleTable()->FindParticle(2112)->GetPDGMass()
463 // + G4ParticleTable::GetParticleTab 465 // + G4ParticleTable::GetParticleTable()->FindParticle(-211)->GetPDGMass();
464 } 466 }
465 } 467 }
466 // G4int index = GetEnergyIndex(energy << 468 G4int index = GetEnergyIndex(energy);
467 G4int nepdg = aParticle->GetDefinition()->Ge << 469 G4double qeTotRat = GetNuMuQeTotRat(index, energy);
468 <<
469 G4double qeTotRat; // = GetNuMuQeTotRat(ind <<
470 qeTotRat = CalculateQEratioA( Z, A, energy, <<
471 470
472 G4ThreeVector dX = (lvX.vect()).unit(); 471 G4ThreeVector dX = (lvX.vect()).unit();
473 G4double eX = lvX.e(); // excited nucleon 472 G4double eX = lvX.e(); // excited nucleon
474 G4double mX = sqrt(massX2); 473 G4double mX = sqrt(massX2);
475 // G4double pX = sqrt( eX*eX - mX*mX ); 474 // G4double pX = sqrt( eX*eX - mX*mX );
476 // G4double sumE = eX + rM; 475 // G4double sumE = eX + rM;
477 476
478 if( qeTotRat > G4UniformRand() || mX <= fMt 477 if( qeTotRat > G4UniformRand() || mX <= fMt ) // || eX <= 1232.*MeV) // QE
479 { 478 {
480 fString = false; 479 fString = false;
481 480
482 if( fProton ) 481 if( fProton )
483 { 482 {
484 fPDGencoding = 2212; 483 fPDGencoding = 2212;
485 fMr = proton_mass_c2; 484 fMr = proton_mass_c2;
486 recoil = G4Nucleus(A-1,Z-1); 485 recoil = G4Nucleus(A-1,Z-1);
487 fRecoil = &recoil; 486 fRecoil = &recoil;
488 rM = recoil.AtomicMass(A-1,Z-1); 487 rM = recoil.AtomicMass(A-1,Z-1);
489 } 488 }
490 else 489 else
491 { 490 {
492 fPDGencoding = 2112; 491 fPDGencoding = 2112;
493 fMr = G4ParticleTable::GetParticleTabl 492 fMr = G4ParticleTable::GetParticleTable()->
494 FindParticle(fPDGencoding)->GetPDGMass(); // 493 FindParticle(fPDGencoding)->GetPDGMass(); // 939.5654133*MeV;
495 recoil = G4Nucleus(A-1,Z); 494 recoil = G4Nucleus(A-1,Z);
496 fRecoil = &recoil; 495 fRecoil = &recoil;
497 rM = recoil.AtomicMass(A-1,Z); 496 rM = recoil.AtomicMass(A-1,Z);
498 } 497 }
499 // sumE = eX + rM; 498 // sumE = eX + rM;
500 G4double eTh = fMr + 0.5*(fMr*fMr - mX*mX) 499 G4double eTh = fMr + 0.5*(fMr*fMr - mX*mX)/rM;
501 500
502 if( eX <= eTh ) // vmg, very rarely out of 501 if( eX <= eTh ) // vmg, very rarely out of kinematics
503 { 502 {
504 fString = true; 503 fString = true;
505 theParticleChange.SetEnergyChange(energy 504 theParticleChange.SetEnergyChange(energy);
506 theParticleChange.SetMomentumChange(aTra 505 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
507 return &theParticleChange; 506 return &theParticleChange;
508 } 507 }
509 // FinalBarion( fLVh, 0, fPDGencoding ); / 508 // FinalBarion( fLVh, 0, fPDGencoding ); // p(n)+deexcited recoil
510 FinalBarion( lvX, 0, fPDGencoding ); // p( 509 FinalBarion( lvX, 0, fPDGencoding ); // p(n)+deexcited recoil
511 } 510 }
512 else // if ( eX < 9500000.*GeV ) // < 25.*G 511 else // if ( eX < 9500000.*GeV ) // < 25.*GeV) // < 95.*GeV ) // < 2.5*GeV ) //cluster decay
513 { 512 {
514 if ( fProton && pName == "nu_e" ) 513 if ( fProton && pName == "nu_e" ) qB = 2;
515 else if( !fProton && pName == "nu_e" ) 514 else if( !fProton && pName == "nu_e" ) qB = 1;
516 515
517 ClusterDecay( lvX, qB ); 516 ClusterDecay( lvX, qB );
518 } 517 }
519 return &theParticleChange; 518 return &theParticleChange;
520 } 519 }
521 520
522 521
523 ////////////////////////////////////////////// 522 /////////////////////////////////////////////////////////////////////
524 ////////////////////////////////////////////// 523 ////////////////////////////////////////////////////////////////////
525 ////////////////////////////////////////////// 524 ///////////////////////////////////////////////////////////////////
526 525
527 ////////////////////////////////////////////// 526 /////////////////////////////////////////////////
528 // 527 //
529 // sample x, then Q2 528 // sample x, then Q2
530 529
531 void G4NuElNucleusCcModel::SampleLVkr(const G4 530 void G4NuElNucleusCcModel::SampleLVkr(const G4HadProjectile & aTrack, G4Nucleus& targetNucleus)
532 { 531 {
533 fBreak = false; 532 fBreak = false;
534 G4int A = targetNucleus.GetA_asInt(), iTer(0 533 G4int A = targetNucleus.GetA_asInt(), iTer(0), iTerMax(100);
535 G4int Z = targetNucleus.GetZ_asInt(); 534 G4int Z = targetNucleus.GetZ_asInt();
536 G4double e3(0.), pMu2(0.), pX2(0.), nMom(0.) 535 G4double e3(0.), pMu2(0.), pX2(0.), nMom(0.), rM(0.), hM(0.), tM = targetNucleus.AtomicMass(A,Z);
537 G4double Ex(0.), ei(0.), nm2(0.); 536 G4double Ex(0.), ei(0.), nm2(0.);
538 G4double cost(1.), sint(0.), phi(0.), muMom( 537 G4double cost(1.), sint(0.), phi(0.), muMom(0.);
539 G4ThreeVector eP, bst; 538 G4ThreeVector eP, bst;
540 const G4HadProjectile* aParticle = &aTrack; 539 const G4HadProjectile* aParticle = &aTrack;
541 G4LorentzVector lvp1 = aParticle->Get4Moment 540 G4LorentzVector lvp1 = aParticle->Get4Momentum();
542 541
543 if( A == 1 ) // hydrogen, no Fermi motion ?? 542 if( A == 1 ) // hydrogen, no Fermi motion ???
544 { 543 {
545 fNuEnergy = aParticle->GetTotalEnergy(); 544 fNuEnergy = aParticle->GetTotalEnergy();
546 iTer = 0; 545 iTer = 0;
547 546
548 do 547 do
549 { 548 {
550 fXsample = SampleXkr(fNuEnergy); 549 fXsample = SampleXkr(fNuEnergy);
551 fQtransfer = SampleQkr(fNuEnergy, fXsamp 550 fQtransfer = SampleQkr(fNuEnergy, fXsample);
552 fQ2 = fQtransfer*fQtransfer; 551 fQ2 = fQtransfer*fQtransfer;
553 552
554 if( fXsample > 0. ) 553 if( fXsample > 0. )
555 { 554 {
556 fW2 = fM1*fM1 - fQ2 + fQ2/fXsample; // 555 fW2 = fM1*fM1 - fQ2 + fQ2/fXsample; // sample excited hadron mass
557 fEmu = fNuEnergy - fQ2/2./fM1/fXsample 556 fEmu = fNuEnergy - fQ2/2./fM1/fXsample;
558 } 557 }
559 else 558 else
560 { 559 {
561 fW2 = fM1*fM1; 560 fW2 = fM1*fM1;
562 fEmu = fNuEnergy; 561 fEmu = fNuEnergy;
563 } 562 }
564 e3 = fNuEnergy + fM1 - fEmu; 563 e3 = fNuEnergy + fM1 - fEmu;
565 564
566 if( e3 < sqrt(fW2) ) G4cout<<"energyX = 565 if( e3 < sqrt(fW2) ) G4cout<<"energyX = "<<e3/GeV<<", fW = "<<sqrt(fW2)/GeV<<G4endl;
567 566
568 pMu2 = fEmu*fEmu - fMel*fMel; 567 pMu2 = fEmu*fEmu - fMel*fMel;
569 568
570 if(pMu2 < 0.) { fBreak = true; return; } 569 if(pMu2 < 0.) { fBreak = true; return; }
571 570
572 pX2 = e3*e3 - fW2; 571 pX2 = e3*e3 - fW2;
573 572
574 fCosTheta = fNuEnergy*fNuEnergy + pMu2 573 fCosTheta = fNuEnergy*fNuEnergy + pMu2 - pX2;
575 fCosTheta /= 2.*fNuEnergy*sqrt(pMu2); 574 fCosTheta /= 2.*fNuEnergy*sqrt(pMu2);
576 iTer++; 575 iTer++;
577 } 576 }
578 while( ( abs(fCosTheta) > 1. || fEmu < fMe 577 while( ( abs(fCosTheta) > 1. || fEmu < fMel ) && iTer < iTerMax );
579 578
580 if( iTer >= iTerMax ) { fBreak = true; ret 579 if( iTer >= iTerMax ) { fBreak = true; return; }
581 580
582 if( abs(fCosTheta) > 1.) // vmg: due to bi 581 if( abs(fCosTheta) > 1.) // vmg: due to big Q2/x values. To be improved ...
583 { 582 {
584 G4cout<<"H2: fCosTheta = "<<fCosTheta<<" 583 G4cout<<"H2: fCosTheta = "<<fCosTheta<<", fEmu = "<<fEmu<<G4endl;
585 // fCosTheta = -1. + 2.*G4UniformRand(); 584 // fCosTheta = -1. + 2.*G4UniformRand();
586 if(fCosTheta < -1.) fCosTheta = -1.; 585 if(fCosTheta < -1.) fCosTheta = -1.;
587 if(fCosTheta > 1.) fCosTheta = 1.; 586 if(fCosTheta > 1.) fCosTheta = 1.;
588 } 587 }
589 // LVs 588 // LVs
590 589
591 G4LorentzVector lvt1 = G4LorentzVector( 0 590 G4LorentzVector lvt1 = G4LorentzVector( 0., 0., 0., fM1 );
592 G4LorentzVector lvsum = lvp1 + lvt1; 591 G4LorentzVector lvsum = lvp1 + lvt1;
593 592
594 cost = fCosTheta; 593 cost = fCosTheta;
595 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 594 sint = std::sqrt( (1.0 - cost)*(1.0 + cost) );
596 phi = G4UniformRand()*CLHEP::twopi; 595 phi = G4UniformRand()*CLHEP::twopi;
597 eP = G4ThreeVector( sint*std::cos(phi), 596 eP = G4ThreeVector( sint*std::cos(phi), sint*std::sin(phi), cost );
598 muMom = sqrt(fEmu*fEmu-fMel*fMel); 597 muMom = sqrt(fEmu*fEmu-fMel*fMel);
599 eP *= muMom; 598 eP *= muMom;
600 fLVl = G4LorentzVector( eP, fEmu ); 599 fLVl = G4LorentzVector( eP, fEmu );
601 600
602 fLVh = lvsum - fLVl; 601 fLVh = lvsum - fLVl;
603 fLVt = G4LorentzVector( 0., 0., 0., 0. ); 602 fLVt = G4LorentzVector( 0., 0., 0., 0. ); // no recoil
604 } 603 }
605 else // Fermi motion, Q2 in nucleon rest fra 604 else // Fermi motion, Q2 in nucleon rest frame
606 { 605 {
607 G4Nucleus recoil1( A-1, Z ); 606 G4Nucleus recoil1( A-1, Z );
608 rM = recoil1.AtomicMass(A-1,Z); 607 rM = recoil1.AtomicMass(A-1,Z);
609 do 608 do
610 { 609 {
611 // nMom = NucleonMomentumBR( targetNucle 610 // nMom = NucleonMomentumBR( targetNucleus ); // BR
612 nMom = GgSampleNM( targetNucleus ); // G 611 nMom = GgSampleNM( targetNucleus ); // Gg
613 Ex = GetEx(A-1, fProton); 612 Ex = GetEx(A-1, fProton);
614 ei = tM - sqrt( (rM + Ex)*(rM + Ex) + nM 613 ei = tM - sqrt( (rM + Ex)*(rM + Ex) + nMom*nMom );
615 // ei = 0.5*( tM - s2M - 2*eX ); 614 // ei = 0.5*( tM - s2M - 2*eX );
616 615
617 nm2 = ei*ei - nMom*nMom; 616 nm2 = ei*ei - nMom*nMom;
618 iTer++; 617 iTer++;
619 } 618 }
620 while( nm2 < 0. && iTer < iTerMax ); 619 while( nm2 < 0. && iTer < iTerMax );
621 620
622 if( iTer >= iTerMax ) { fBreak = true; ret 621 if( iTer >= iTerMax ) { fBreak = true; return; }
623 622
624 G4ThreeVector nMomDir = nMom*G4RandomDirec 623 G4ThreeVector nMomDir = nMom*G4RandomDirection();
625 624
626 if( !f2p2h || A < 3 ) // 1p1h 625 if( !f2p2h || A < 3 ) // 1p1h
627 { 626 {
628 // hM = tM - rM; 627 // hM = tM - rM;
629 628
630 fLVt = G4LorentzVector( -nMomDir, sqrt( 629 fLVt = G4LorentzVector( -nMomDir, sqrt( (rM + Ex)*(rM + Ex) + nMom*nMom ) ); // rM ); //
631 fLVh = G4LorentzVector( nMomDir, ei ); 630 fLVh = G4LorentzVector( nMomDir, ei ); // hM); //
632 } 631 }
633 else // 2p2h 632 else // 2p2h
634 { 633 {
635 G4Nucleus recoil(A-2,Z-1); 634 G4Nucleus recoil(A-2,Z-1);
636 rM = recoil.AtomicMass(A-2,Z-1)+sqrt(nMo 635 rM = recoil.AtomicMass(A-2,Z-1)+sqrt(nMom*nMom+fM1*fM1);
637 hM = tM - rM; 636 hM = tM - rM;
638 637
639 fLVt = G4LorentzVector( nMomDir, sqrt( r 638 fLVt = G4LorentzVector( nMomDir, sqrt( rM*rM+nMom*nMom ) );
640 fLVh = G4LorentzVector(-nMomDir, sqrt( h 639 fLVh = G4LorentzVector(-nMomDir, sqrt( hM*hM+nMom*nMom ) );
641 } 640 }
642 // G4cout<<hM<<", "; 641 // G4cout<<hM<<", ";
643 // bst = fLVh.boostVector(); 642 // bst = fLVh.boostVector();
644 643
645 // lvp1.boost(-bst); // -> nucleon rest sy 644 // lvp1.boost(-bst); // -> nucleon rest system, where Q2 transfer is ???
646 645
647 fNuEnergy = lvp1.e(); 646 fNuEnergy = lvp1.e();
648 // G4double mN = fLVh.m(); // better mN = 647 // G4double mN = fLVh.m(); // better mN = fM1 !? vmg
649 iTer = 0; 648 iTer = 0;
650 649
651 do // no FM!?, 5.4.20 vmg 650 do // no FM!?, 5.4.20 vmg
652 { 651 {
653 fXsample = SampleXkr(fNuEnergy); 652 fXsample = SampleXkr(fNuEnergy);
654 fQtransfer = SampleQkr(fNuEnergy, fXsamp 653 fQtransfer = SampleQkr(fNuEnergy, fXsample);
655 fQ2 = fQtransfer*fQtransfer; 654 fQ2 = fQtransfer*fQtransfer;
656 655
657 // G4double mR = mN + fM1*(A-1.)*std::ex 656 // G4double mR = mN + fM1*(A-1.)*std::exp(-2.0*fQtransfer/mN); // recoil mass in+el
658 657
659 if( fXsample > 0. ) 658 if( fXsample > 0. )
660 { 659 {
661 fW2 = fM1*fM1 - fQ2 + fQ2/fXsample; // 660 fW2 = fM1*fM1 - fQ2 + fQ2/fXsample; // sample excited hadron mass
662 661
663 // fW2 = mN*mN - fQ2 + fQ2/fXsample; / 662 // fW2 = mN*mN - fQ2 + fQ2/fXsample; // sample excited hadron mass
664 // fEmu = fNuEnergy - fQ2/2./mR/fXsamp 663 // fEmu = fNuEnergy - fQ2/2./mR/fXsample; // fM1->mN
665 664
666 fEmu = fNuEnergy - fQ2/2./fM1/fXsample 665 fEmu = fNuEnergy - fQ2/2./fM1/fXsample; // fM1->mN
667 } 666 }
668 else 667 else
669 { 668 {
670 // fW2 = mN*mN; 669 // fW2 = mN*mN;
671 670
672 fW2 = fM1*fM1; 671 fW2 = fM1*fM1;
673 fEmu = fNuEnergy; 672 fEmu = fNuEnergy;
674 } 673 }
675 // if(fEmu < 0.) G4cout<<"fEmu = "<<fEmu 674 // if(fEmu < 0.) G4cout<<"fEmu = "<<fEmu<<" hM = "<<hM<<G4endl;
676 // e3 = fNuEnergy + mR - fEmu; 675 // e3 = fNuEnergy + mR - fEmu;
677 676
678 e3 = fNuEnergy + fM1 - fEmu; 677 e3 = fNuEnergy + fM1 - fEmu;
679 678
680 // if( e3 < sqrt(fW2) ) G4cout<<"energy 679 // if( e3 < sqrt(fW2) ) G4cout<<"energyX = "<<e3/GeV<<", fW = "<<sqrt(fW2)/GeV<<G4endl;
681 680
682 pMu2 = fEmu*fEmu - fMel*fMel; 681 pMu2 = fEmu*fEmu - fMel*fMel;
683 pX2 = e3*e3 - fW2; 682 pX2 = e3*e3 - fW2;
684 683
685 if(pMu2 < 0.) { fBreak = true; return; } 684 if(pMu2 < 0.) { fBreak = true; return; }
686 685
687 fCosTheta = fNuEnergy*fNuEnergy + pMu2 686 fCosTheta = fNuEnergy*fNuEnergy + pMu2 - pX2;
688 fCosTheta /= 2.*fNuEnergy*sqrt(pMu2); 687 fCosTheta /= 2.*fNuEnergy*sqrt(pMu2);
689 iTer++; 688 iTer++;
690 } 689 }
691 while( ( abs(fCosTheta) > 1. || fEmu < fMe 690 while( ( abs(fCosTheta) > 1. || fEmu < fMel ) && iTer < iTerMax );
692 691
693 if( iTer >= iTerMax ) { fBreak = true; ret 692 if( iTer >= iTerMax ) { fBreak = true; return; }
694 693
695 if( abs(fCosTheta) > 1.) // vmg: due to bi 694 if( abs(fCosTheta) > 1.) // vmg: due to big Q2/x values. To be improved ...
696 { 695 {
697 G4cout<<"FM: fCosTheta = "<<fCosTheta<<" 696 G4cout<<"FM: fCosTheta = "<<fCosTheta<<", fEmu = "<<fEmu<<G4endl;
698 // fCosTheta = -1. + 2.*G4UniformRand(); 697 // fCosTheta = -1. + 2.*G4UniformRand();
699 if( fCosTheta < -1.) fCosTheta = -1.; 698 if( fCosTheta < -1.) fCosTheta = -1.;
700 if( fCosTheta > 1.) fCosTheta = 1.; 699 if( fCosTheta > 1.) fCosTheta = 1.;
701 } 700 }
702 // LVs 701 // LVs
703 // G4LorentzVector lvt1 = G4LorentzVector 702 // G4LorentzVector lvt1 = G4LorentzVector( 0., 0., 0., mN ); // fM1 );
704 703
705 G4LorentzVector lvt1 = G4LorentzVector( 0 704 G4LorentzVector lvt1 = G4LorentzVector( 0., 0., 0., fM1 ); // fM1 );
706 G4LorentzVector lvsum = lvp1 + lvt1; 705 G4LorentzVector lvsum = lvp1 + lvt1;
707 706
708 cost = fCosTheta; 707 cost = fCosTheta;
709 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 708 sint = std::sqrt( (1.0 - cost)*(1.0 + cost) );
710 phi = G4UniformRand()*CLHEP::twopi; 709 phi = G4UniformRand()*CLHEP::twopi;
711 eP = G4ThreeVector( sint*std::cos(phi), 710 eP = G4ThreeVector( sint*std::cos(phi), sint*std::sin(phi), cost );
712 muMom = sqrt(fEmu*fEmu-fMel*fMel); 711 muMom = sqrt(fEmu*fEmu-fMel*fMel);
713 eP *= muMom; 712 eP *= muMom;
714 fLVl = G4LorentzVector( eP, fEmu ); 713 fLVl = G4LorentzVector( eP, fEmu );
715 fLVh = lvsum - fLVl; 714 fLVh = lvsum - fLVl;
716 715
717 // if( fLVh.e() < mN || fLVh.m2() < 0.) { 716 // if( fLVh.e() < mN || fLVh.m2() < 0.) { fBreak = true; return; }
718 717
719 if( fLVh.e() < fM1 || fLVh.m2() < 0.) { fB 718 if( fLVh.e() < fM1 || fLVh.m2() < 0.) { fBreak = true; return; }
720 719
721 // back to lab system 720 // back to lab system
722 721
723 // fLVl.boost(bst); 722 // fLVl.boost(bst);
724 // fLVh.boost(bst); 723 // fLVh.boost(bst);
725 } 724 }
726 //G4cout<<iTer<<", "<<fBreak<<"; "; 725 //G4cout<<iTer<<", "<<fBreak<<"; ";
727 } 726 }
728 727
729 // 728 //
730 // 729 //
731 /////////////////////////// 730 ///////////////////////////
732 731