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26 // $Id: G4ANuMuNucleusCcModel.cc 91806 2015-08 26 // $Id: G4ANuMuNucleusCcModel.cc 91806 2015-08-06 12:20:45Z gcosmo $
27 // 27 //
28 // Geant4 Header : G4ANuMuNucleusCcModel 28 // Geant4 Header : G4ANuMuNucleusCcModel
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 "G4ANuMuNucleusCcModel.hh" 37 #include "G4ANuMuNucleusCcModel.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 "G4MuonMinus.hh" 81 // #include "G4MuonMinus.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 G4ANuMuNucleusCcModel::numuNucleus 90 G4Mutex G4ANuMuNucleusCcModel::numuNucleusModel = G4MUTEX_INITIALIZER;
91 #endif 91 #endif
92 92
93 93
94 G4ANuMuNucleusCcModel::G4ANuMuNucleusCcModel(c 94 G4ANuMuNucleusCcModel::G4ANuMuNucleusCcModel(const G4String& name)
95 : G4NeutrinoNucleusModel(name) 95 : G4NeutrinoNucleusModel(name)
96 { 96 {
97 fData = fMaster = false; 97 fData = fMaster = false;
98 InitialiseModel(); 98 InitialiseModel();
99 } 99 }
100 100
101 101
102 G4ANuMuNucleusCcModel::~G4ANuMuNucleusCcModel( 102 G4ANuMuNucleusCcModel::~G4ANuMuNucleusCcModel()
103 {} 103 {}
104 104
105 105
106 void G4ANuMuNucleusCcModel::ModelDescription(s 106 void G4ANuMuNucleusCcModel::ModelDescription(std::ostream& outFile) const
107 { 107 {
108 108
109 outFile << "G4ANuMuNucleusCcModel is a neu 109 outFile << "G4ANuMuNucleusCcModel is a neutrino-nucleus (charge current) scattering\n"
110 << "model which uses the standard 110 << "model which uses the standard model \n"
111 << "transfer parameterization. Th 111 << "transfer parameterization. The model is fully relativistic\n";
112 112
113 } 113 }
114 114
115 ////////////////////////////////////////////// 115 /////////////////////////////////////////////////////////
116 // 116 //
117 // Read data from G4PARTICLEXSDATA (locally PA 117 // Read data from G4PARTICLEXSDATA (locally PARTICLEXSDATA)
118 118
119 void G4ANuMuNucleusCcModel::InitialiseModel() 119 void G4ANuMuNucleusCcModel::InitialiseModel()
120 { 120 {
121 G4String pName = "anti_nu_mu"; 121 G4String pName = "anti_nu_mu";
122 122
123 G4int nSize(0), i(0), j(0), k(0); 123 G4int nSize(0), i(0), j(0), k(0);
124 124
125 if(!fData) 125 if(!fData)
126 { 126 {
127 #ifdef G4MULTITHREADED 127 #ifdef G4MULTITHREADED
128 G4MUTEXLOCK(&numuNucleusModel); 128 G4MUTEXLOCK(&numuNucleusModel);
129 if(!fData) 129 if(!fData)
130 { 130 {
131 #endif 131 #endif
132 fMaster = true; 132 fMaster = true;
133 #ifdef G4MULTITHREADED 133 #ifdef G4MULTITHREADED
134 } 134 }
135 G4MUTEXUNLOCK(&numuNucleusModel); 135 G4MUTEXUNLOCK(&numuNucleusModel);
136 #endif 136 #endif
137 } 137 }
138 138
139 if(fMaster) 139 if(fMaster)
140 { 140 {
141 const char* path = G4FindDataDir("G4PARTIC << 141 char* path = getenv("G4PARTICLEXSDATA");
142 std::ostringstream ost1, ost2, ost3, ost4; 142 std::ostringstream ost1, ost2, ost3, ost4;
143 ost1 << path << "/" << "neutrino" << "/" < 143 ost1 << path << "/" << "neutrino" << "/" << pName << "/xarraycckr";
144 144
145 std::ifstream filein1( ost1.str().c_str() 145 std::ifstream filein1( ost1.str().c_str() );
146 146
147 // filein.open("$PARTICLEXSDATA/"); 147 // filein.open("$PARTICLEXSDATA/");
148 148
149 filein1>>nSize; 149 filein1>>nSize;
150 150
151 for( k = 0; k < fNbin; ++k ) 151 for( k = 0; k < fNbin; ++k )
152 { 152 {
153 for( i = 0; i <= fNbin; ++i ) 153 for( i = 0; i <= fNbin; ++i )
154 { 154 {
155 filein1 >> fNuMuXarrayKR[k][i]; 155 filein1 >> fNuMuXarrayKR[k][i];
156 // G4cout<< fNuMuXarrayKR[k][i] << " 156 // G4cout<< fNuMuXarrayKR[k][i] << " ";
157 } 157 }
158 } 158 }
159 // G4cout<<G4endl<<G4endl; 159 // G4cout<<G4endl<<G4endl;
160 160
161 ost2 << path << "/" << "neutrino" << "/" < 161 ost2 << path << "/" << "neutrino" << "/" << pName << "/xdistrcckr";
162 std::ifstream filein2( ost2.str().c_str() 162 std::ifstream filein2( ost2.str().c_str() );
163 163
164 filein2>>nSize; 164 filein2>>nSize;
165 165
166 for( k = 0; k < fNbin; ++k ) 166 for( k = 0; k < fNbin; ++k )
167 { 167 {
168 for( i = 0; i < fNbin; ++i ) 168 for( i = 0; i < fNbin; ++i )
169 { 169 {
170 filein2 >> fNuMuXdistrKR[k][i]; 170 filein2 >> fNuMuXdistrKR[k][i];
171 // G4cout<< fNuMuXdistrKR[k][i] << " 171 // G4cout<< fNuMuXdistrKR[k][i] << " ";
172 } 172 }
173 } 173 }
174 // G4cout<<G4endl<<G4endl; 174 // G4cout<<G4endl<<G4endl;
175 175
176 ost3 << path << "/" << "neutrino" << "/" < 176 ost3 << path << "/" << "neutrino" << "/" << pName << "/q2arraycckr";
177 std::ifstream filein3( ost3.str().c_str() 177 std::ifstream filein3( ost3.str().c_str() );
178 178
179 filein3>>nSize; 179 filein3>>nSize;
180 180
181 for( k = 0; k < fNbin; ++k ) 181 for( k = 0; k < fNbin; ++k )
182 { 182 {
183 for( i = 0; i <= fNbin; ++i ) 183 for( i = 0; i <= fNbin; ++i )
184 { 184 {
185 for( j = 0; j <= fNbin; ++j ) 185 for( j = 0; j <= fNbin; ++j )
186 { 186 {
187 filein3 >> fNuMuQarrayKR[k][i][j]; 187 filein3 >> fNuMuQarrayKR[k][i][j];
188 // G4cout<< fNuMuQarrayKR[k][i][j] < 188 // G4cout<< fNuMuQarrayKR[k][i][j] << " ";
189 } 189 }
190 } 190 }
191 } 191 }
192 // G4cout<<G4endl<<G4endl; 192 // G4cout<<G4endl<<G4endl;
193 193
194 ost4 << path << "/" << "neutrino" << "/" < 194 ost4 << path << "/" << "neutrino" << "/" << pName << "/q2distrcckr";
195 std::ifstream filein4( ost4.str().c_str() 195 std::ifstream filein4( ost4.str().c_str() );
196 196
197 filein4>>nSize; 197 filein4>>nSize;
198 198
199 for( k = 0; k < fNbin; ++k ) 199 for( k = 0; k < fNbin; ++k )
200 { 200 {
201 for( i = 0; i <= fNbin; ++i ) 201 for( i = 0; i <= fNbin; ++i )
202 { 202 {
203 for( j = 0; j < fNbin; ++j ) 203 for( j = 0; j < fNbin; ++j )
204 { 204 {
205 filein4 >> fNuMuQdistrKR[k][i][j]; 205 filein4 >> fNuMuQdistrKR[k][i][j];
206 // G4cout<< fNuMuQdistrKR[k][i][j] < 206 // G4cout<< fNuMuQdistrKR[k][i][j] << " ";
207 } 207 }
208 } 208 }
209 } 209 }
210 fData = true; 210 fData = true;
211 } 211 }
212 } 212 }
213 213
214 ////////////////////////////////////////////// 214 /////////////////////////////////////////////////////////
215 215
216 G4bool G4ANuMuNucleusCcModel::IsApplicable(con 216 G4bool G4ANuMuNucleusCcModel::IsApplicable(const G4HadProjectile & aPart,
217 G4Nucleus & ) << 217 G4Nucleus & targetNucleus)
218 { 218 {
219 G4bool result = false; 219 G4bool result = false;
220 G4String pName = aPart.GetDefinition()->GetP 220 G4String pName = aPart.GetDefinition()->GetParticleName();
221 G4double energy = aPart.GetTotalEnergy(); 221 G4double energy = aPart.GetTotalEnergy();
222 222
223 if( pName == "anti_nu_mu" 223 if( pName == "anti_nu_mu"
224 && 224 &&
225 energy > fMinNuEnergy 225 energy > fMinNuEnergy )
226 { 226 {
227 result = true; 227 result = true;
228 } 228 }
>> 229 G4int Z = targetNucleus.GetZ_asInt();
>> 230 Z *= 1;
229 231
230 return result; 232 return result;
231 } 233 }
232 234
233 /////////////////////////////////////////// Cl 235 /////////////////////////////////////////// ClusterDecay ////////////////////////////////////////////////////////////
234 // 236 //
235 // 237 //
236 238
237 G4HadFinalState* G4ANuMuNucleusCcModel::ApplyY 239 G4HadFinalState* G4ANuMuNucleusCcModel::ApplyYourself(
238 const G4HadProjectile& aTrack, G4Nucleus& 240 const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
239 { 241 {
240 theParticleChange.Clear(); 242 theParticleChange.Clear();
241 fProton = f2p2h = fBreak = false; 243 fProton = f2p2h = fBreak = false;
242 fCascade = fString = false; 244 fCascade = fString = false;
243 fLVh = fLVl = fLVt = fLVcpi = G4LorentzVecto 245 fLVh = fLVl = fLVt = fLVcpi = G4LorentzVector(0.,0.,0.,0.);
244 246
245 const G4HadProjectile* aParticle = &aTrack; 247 const G4HadProjectile* aParticle = &aTrack;
246 G4double energy = aParticle->GetTotalEnergy( 248 G4double energy = aParticle->GetTotalEnergy();
247 249
248 G4String pName = aParticle->GetDefinition() 250 G4String pName = aParticle->GetDefinition()->GetParticleName();
249 251
250 if( energy < fMinNuEnergy ) 252 if( energy < fMinNuEnergy )
251 { 253 {
252 theParticleChange.SetEnergyChange(energy); 254 theParticleChange.SetEnergyChange(energy);
253 theParticleChange.SetMomentumChange(aTrack 255 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
254 return &theParticleChange; 256 return &theParticleChange;
255 } 257 }
256 258
257 SampleLVkr( aTrack, targetNucleus); 259 SampleLVkr( aTrack, targetNucleus);
258 260
259 if( fBreak == true || fEmu < fMu ) // ~5*10^ 261 if( fBreak == true || fEmu < fMu ) // ~5*10^-6
260 { 262 {
261 // G4cout<<"ni, "; 263 // G4cout<<"ni, ";
262 theParticleChange.SetEnergyChange(energy); 264 theParticleChange.SetEnergyChange(energy);
263 theParticleChange.SetMomentumChange(aTrack 265 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
264 return &theParticleChange; 266 return &theParticleChange;
265 } 267 }
266 268
267 // LVs of initial state 269 // LVs of initial state
268 270
269 G4LorentzVector lvp1 = aParticle->Get4Moment 271 G4LorentzVector lvp1 = aParticle->Get4Momentum();
270 G4LorentzVector lvt1( 0., 0., 0., fM1 ); 272 G4LorentzVector lvt1( 0., 0., 0., fM1 );
271 G4double mPip = G4ParticleTable::GetParticle 273 G4double mPip = G4ParticleTable::GetParticleTable()->FindParticle(211)->GetPDGMass();
272 274
273 // 1-pi by fQtransfer && nu-energy 275 // 1-pi by fQtransfer && nu-energy
274 G4LorentzVector lvpip1( 0., 0., 0., mPip ); 276 G4LorentzVector lvpip1( 0., 0., 0., mPip );
275 G4LorentzVector lvsum, lv2, lvX; 277 G4LorentzVector lvsum, lv2, lvX;
276 G4ThreeVector eP; 278 G4ThreeVector eP;
277 G4double cost(1.), sint(0.), phi(0.), muMom( 279 G4double cost(1.), sint(0.), phi(0.), muMom(0.), massX2(0.), massX(0.), massR(0.), eCut(0.);
278 G4DynamicParticle* aLept = nullptr; // lepto 280 G4DynamicParticle* aLept = nullptr; // lepton lv
279 281
280 G4int Z = targetNucleus.GetZ_asInt(); 282 G4int Z = targetNucleus.GetZ_asInt();
281 G4int A = targetNucleus.GetA_asInt(); 283 G4int A = targetNucleus.GetA_asInt();
282 G4double mTarg = targetNucleus.AtomicMass(A 284 G4double mTarg = targetNucleus.AtomicMass(A,Z);
283 G4int pdgP(0), qB(0); 285 G4int pdgP(0), qB(0);
284 // G4double mSum = G4ParticleTable::GetParti 286 // G4double mSum = G4ParticleTable::GetParticleTable()->FindParticle(2212)->GetPDGMass() + mPip;
285 287
286 G4int iPi = GetOnePionIndex(energy); 288 G4int iPi = GetOnePionIndex(energy);
287 G4double p1pi = GetNuMuOnePionProb( iPi, ene 289 G4double p1pi = GetNuMuOnePionProb( iPi, energy);
288 290
289 if( p1pi > G4UniformRand() && fCosTheta > 0 291 if( p1pi > G4UniformRand() && fCosTheta > 0.9 ) // && fQtransfer < 0.95*GeV ) // mu- & coherent pion + nucleus
290 { 292 {
291 // lvsum = lvp1 + lvpip1; 293 // lvsum = lvp1 + lvpip1;
292 lvsum = lvp1 + lvt1; 294 lvsum = lvp1 + lvt1;
293 // cost = fCosThetaPi; 295 // cost = fCosThetaPi;
294 cost = fCosTheta; 296 cost = fCosTheta;
295 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 297 sint = std::sqrt( (1.0 - cost)*(1.0 + cost) );
296 phi = G4UniformRand()*CLHEP::twopi; 298 phi = G4UniformRand()*CLHEP::twopi;
297 eP = G4ThreeVector( sint*std::cos(phi), 299 eP = G4ThreeVector( sint*std::cos(phi), sint*std::sin(phi), cost );
298 300
299 // muMom = sqrt(fEmuPi*fEmuPi-fMu*fMu); 301 // muMom = sqrt(fEmuPi*fEmuPi-fMu*fMu);
300 muMom = sqrt(fEmu*fEmu-fMu*fMu); 302 muMom = sqrt(fEmu*fEmu-fMu*fMu);
301 303
302 eP *= muMom; 304 eP *= muMom;
303 305
304 // lv2 = G4LorentzVector( eP, fEmuPi ); 306 // lv2 = G4LorentzVector( eP, fEmuPi );
305 // lv2 = G4LorentzVector( eP, fEmu ); 307 // lv2 = G4LorentzVector( eP, fEmu );
306 lv2 = fLVl; 308 lv2 = fLVl;
307 309
308 // lvX = lvsum - lv2; 310 // lvX = lvsum - lv2;
309 lvX = fLVh; 311 lvX = fLVh;
310 massX2 = lvX.m2(); 312 massX2 = lvX.m2();
311 massX = lvX.m(); 313 massX = lvX.m();
312 massR = fLVt.m(); 314 massR = fLVt.m();
313 315
314 if ( massX2 <= 0. ) // vmg: very rarely ~ 316 if ( massX2 <= 0. ) // vmg: very rarely ~ (1-4)e-6 due to big Q2/x, to be improved
315 { 317 {
316 fCascade = true; 318 fCascade = true;
317 theParticleChange.SetEnergyChange(energy 319 theParticleChange.SetEnergyChange(energy);
318 theParticleChange.SetMomentumChange(aTra 320 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
319 return &theParticleChange; 321 return &theParticleChange;
320 } 322 }
321 fW2 = massX2; 323 fW2 = massX2;
322 324
323 if( pName == "anti_nu_mu") aLept = new G4D 325 if( pName == "anti_nu_mu") aLept = new G4DynamicParticle( theMuonPlus, lv2 );
324 else 326 else
325 { 327 {
326 theParticleChange.SetEnergyChange(energy 328 theParticleChange.SetEnergyChange(energy);
327 theParticleChange.SetMomentumChange(aTra 329 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
328 return &theParticleChange; 330 return &theParticleChange;
329 } 331 }
330 if( pName == "anti_nu_mu" ) pdgP = -211; 332 if( pName == "anti_nu_mu" ) pdgP = -211;
331 // else pdgP = -211; 333 // else pdgP = -211;
332 // eCut = fMpi + 0.5*(fMpi*fMpi-massX2)/mT 334 // eCut = fMpi + 0.5*(fMpi*fMpi-massX2)/mTarg; // massX -> fMpi
333 335
334 if( A > 1 ) 336 if( A > 1 )
335 { 337 {
336 eCut = (fMpi + mTarg)*(fMpi + mTarg) - ( 338 eCut = (fMpi + mTarg)*(fMpi + mTarg) - (massX + massR)*(massX + massR);
337 eCut /= 2.*massR; 339 eCut /= 2.*massR;
338 eCut += massX; 340 eCut += massX;
339 } 341 }
340 else eCut = fM1 + fMpi; 342 else eCut = fM1 + fMpi;
341 343
342 if ( lvX.e() > eCut ) // && sqrt( GetW2() 344 if ( lvX.e() > eCut ) // && sqrt( GetW2() ) < 1.4*GeV ) //
343 { 345 {
344 CoherentPion( lvX, pdgP, targetNucleus); 346 CoherentPion( lvX, pdgP, targetNucleus);
345 } 347 }
346 else 348 else
347 { 349 {
348 fCascade = true; 350 fCascade = true;
349 theParticleChange.SetEnergyChange(energy 351 theParticleChange.SetEnergyChange(energy);
350 theParticleChange.SetMomentumChange(aTra 352 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
351 return &theParticleChange; 353 return &theParticleChange;
352 } 354 }
353 theParticleChange.AddSecondary( aLept, fSe << 355 theParticleChange.AddSecondary( aLept );
354 356
355 return &theParticleChange; 357 return &theParticleChange;
356 } 358 }
357 else // lepton part in lab 359 else // lepton part in lab
358 { 360 {
359 lvsum = lvp1 + lvt1; 361 lvsum = lvp1 + lvt1;
360 cost = fCosTheta; 362 cost = fCosTheta;
361 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 363 sint = std::sqrt( (1.0 - cost)*(1.0 + cost) );
362 phi = G4UniformRand()*CLHEP::twopi; 364 phi = G4UniformRand()*CLHEP::twopi;
363 eP = G4ThreeVector( sint*std::cos(phi), 365 eP = G4ThreeVector( sint*std::cos(phi), sint*std::sin(phi), cost );
364 366
365 muMom = sqrt(fEmu*fEmu-fMu*fMu); 367 muMom = sqrt(fEmu*fEmu-fMu*fMu);
366 368
367 eP *= muMom; 369 eP *= muMom;
368 370
369 lv2 = G4LorentzVector( eP, fEmu ); 371 lv2 = G4LorentzVector( eP, fEmu );
370 lv2 = fLVl; 372 lv2 = fLVl;
371 lvX = lvsum - lv2; 373 lvX = lvsum - lv2;
372 lvX = fLVh; 374 lvX = fLVh;
373 massX2 = lvX.m2(); 375 massX2 = lvX.m2();
374 376
375 if ( massX2 <= 0. ) // vmg: very rarely ~ 377 if ( massX2 <= 0. ) // vmg: very rarely ~ (1-4)e-6 due to big Q2/x, to be improved
376 { 378 {
377 fCascade = true; 379 fCascade = true;
378 theParticleChange.SetEnergyChange(energy 380 theParticleChange.SetEnergyChange(energy);
379 theParticleChange.SetMomentumChange(aTra 381 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
380 return &theParticleChange; 382 return &theParticleChange;
381 } 383 }
382 fW2 = massX2; 384 fW2 = massX2;
383 385
384 if( pName == "anti_nu_mu") aLept = new G4D 386 if( pName == "anti_nu_mu") aLept = new G4DynamicParticle( theMuonPlus, lv2 );
385 else 387 else
386 { 388 {
387 theParticleChange.SetEnergyChange(energy 389 theParticleChange.SetEnergyChange(energy);
388 theParticleChange.SetMomentumChange(aTra 390 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
389 return &theParticleChange; 391 return &theParticleChange;
390 } 392 }
391 theParticleChange.AddSecondary( aLept, fSe << 393 theParticleChange.AddSecondary( aLept );
392 } 394 }
393 395
394 // hadron part 396 // hadron part
395 397
396 fRecoil = nullptr; 398 fRecoil = nullptr;
397 399
398 if( A == 1 ) 400 if( A == 1 )
399 { 401 {
400 if( pName == "anti_nu_mu" ) qB = 2; 402 if( pName == "anti_nu_mu" ) qB = 2;
401 // else qB = 0; 403 // else qB = 0;
402 404
403 // if( G4UniformRand() > 0.1 ) // > 0.999 405 // if( G4UniformRand() > 0.1 ) // > 0.9999 ) // > 0.0001 ) //
404 { 406 {
405 ClusterDecay( lvX, qB ); 407 ClusterDecay( lvX, qB );
406 } 408 }
407 return &theParticleChange; 409 return &theParticleChange;
408 } 410 }
409 /* 411 /*
410 // else 412 // else
411 { 413 {
412 if( pName == "nu_mu" ) pdgP = 211; 414 if( pName == "nu_mu" ) pdgP = 211;
413 else pdgP = -211; 415 else pdgP = -211;
414 416
415 417
416 if ( fQtransfer < 0.95*GeV ) // < 0.35*G 418 if ( fQtransfer < 0.95*GeV ) // < 0.35*GeV ) //
417 { 419 {
418 if( lvX.m() > mSum ) CoherentPion( lvX, pdgP 420 if( lvX.m() > mSum ) CoherentPion( lvX, pdgP, targetNucleus);
419 } 421 }
420 } 422 }
421 return &theParticleChange; 423 return &theParticleChange;
422 } 424 }
423 */ 425 */
424 G4Nucleus recoil; 426 G4Nucleus recoil;
425 G4double ratio = G4double(Z)/G4double(A); << 427 G4double rM(0.), ratio = G4double(Z)/G4double(A);
426 428
427 if( ratio > G4UniformRand() ) // proton is e 429 if( ratio > G4UniformRand() ) // proton is excited
428 { 430 {
429 fProton = true; 431 fProton = true;
430 recoil = G4Nucleus(A-1,Z-1); 432 recoil = G4Nucleus(A-1,Z-1);
431 fRecoil = &recoil; 433 fRecoil = &recoil;
>> 434 rM = recoil.AtomicMass(A-1,Z-1);
>> 435
432 if( pName == "anti_nu_mu" ) // (0) state - 436 if( pName == "anti_nu_mu" ) // (0) state -> p + pi-
433 { 437 {
434 fMt = G4ParticleTable::GetParticleTable( 438 fMt = G4ParticleTable::GetParticleTable()->FindParticle(2212)->GetPDGMass()
435 + G4ParticleTable::GetParticleTable( 439 + G4ParticleTable::GetParticleTable()->FindParticle(211)->GetPDGMass();
436 } 440 }
437 else // (0) state -> p + pi-, n + pi0 441 else // (0) state -> p + pi-, n + pi0
438 { 442 {
439 // fMt = G4ParticleTable::GetParticleTab 443 // fMt = G4ParticleTable::GetParticleTable()->FindParticle(2212)->GetPDGMass()
440 // + G4ParticleTable::GetParticleTab 444 // + G4ParticleTable::GetParticleTable()->FindParticle(-211)->GetPDGMass();
441 } 445 }
442 } 446 }
443 else // excited neutron 447 else // excited neutron
444 { 448 {
445 fProton = false; 449 fProton = false;
446 recoil = G4Nucleus(A-1,Z); 450 recoil = G4Nucleus(A-1,Z);
447 fRecoil = &recoil; 451 fRecoil = &recoil;
>> 452 rM = recoil.AtomicMass(A-1,Z);
>> 453
448 if( pName == "anti_nu_mu" ) // (+) state - 454 if( pName == "anti_nu_mu" ) // (+) state -> n + pi+
449 { 455 {
450 fMt = G4ParticleTable::GetParticleTable( 456 fMt = G4ParticleTable::GetParticleTable()->FindParticle(2112)->GetPDGMass()
451 + G4ParticleTable::GetParticleTable( 457 + G4ParticleTable::GetParticleTable()->FindParticle(211)->GetPDGMass();
452 } 458 }
453 else // (-) state -> n + pi-, // n + pi0 459 else // (-) state -> n + pi-, // n + pi0
454 { 460 {
455 // fMt = G4ParticleTable::GetParticleTab 461 // fMt = G4ParticleTable::GetParticleTable()->FindParticle(2112)->GetPDGMass()
456 // + G4ParticleTable::GetParticleTab 462 // + G4ParticleTable::GetParticleTable()->FindParticle(-211)->GetPDGMass();
457 } 463 }
458 } 464 }
459 // G4int index = GetEnergyIndex(energy << 465 G4int index = GetEnergyIndex(energy);
460 G4int nepdg = aParticle->GetDefinition()->Ge << 466 G4double qeTotRat = GetNuMuQeTotRat(index, energy);
461 <<
462 G4double qeTotRat; // = GetNuMuQeTotRat(inde <<
463 qeTotRat = CalculateQEratioA( Z, A, energy, <<
464 467
465 G4ThreeVector dX = (lvX.vect()).unit(); 468 G4ThreeVector dX = (lvX.vect()).unit();
466 G4double eX = lvX.e(); // excited nucleon 469 G4double eX = lvX.e(); // excited nucleon
467 G4double mX = sqrt(massX2); 470 G4double mX = sqrt(massX2);
468 // G4double pX = sqrt( eX*eX - mX*mX ); 471 // G4double pX = sqrt( eX*eX - mX*mX );
469 // G4double sumE = eX + rM; 472 // G4double sumE = eX + rM;
470 473
471 if( qeTotRat > G4UniformRand() || mX <= fMt 474 if( qeTotRat > G4UniformRand() || mX <= fMt ) // || eX <= 1232.*MeV) // QE
472 { 475 {
473 fString = false; 476 fString = false;
474 477
475 G4double rM; <<
476 if( fProton ) 478 if( fProton )
477 { 479 {
478 fPDGencoding = 2212; 480 fPDGencoding = 2212;
479 fMr = proton_mass_c2; 481 fMr = proton_mass_c2;
480 recoil = G4Nucleus(A-1,Z-1); 482 recoil = G4Nucleus(A-1,Z-1);
481 fRecoil = &recoil; 483 fRecoil = &recoil;
482 rM = recoil.AtomicMass(A-1,Z-1); 484 rM = recoil.AtomicMass(A-1,Z-1);
483 } 485 }
484 else // if( pName == "anti_nu_mu" ) 486 else // if( pName == "anti_nu_mu" )
485 { 487 {
486 fPDGencoding = 2112; 488 fPDGencoding = 2112;
487 fMr = G4ParticleTable::GetParticleTabl 489 fMr = G4ParticleTable::GetParticleTable()->
488 FindParticle(fPDGencoding)->GetPDGMass(); // 490 FindParticle(fPDGencoding)->GetPDGMass(); // 939.5654133*MeV;
489 recoil = G4Nucleus(A-1,Z); 491 recoil = G4Nucleus(A-1,Z);
490 fRecoil = &recoil; 492 fRecoil = &recoil;
491 rM = recoil.AtomicMass(A-1,Z); 493 rM = recoil.AtomicMass(A-1,Z);
492 } 494 }
493 // sumE = eX + rM; 495 // sumE = eX + rM;
494 G4double eTh = fMr + 0.5*(fMr*fMr - mX*mX) 496 G4double eTh = fMr + 0.5*(fMr*fMr - mX*mX)/rM;
495 497
496 if( eX <= eTh ) // vmg, very rarely out of 498 if( eX <= eTh ) // vmg, very rarely out of kinematics
497 { 499 {
498 fString = true; 500 fString = true;
499 theParticleChange.SetEnergyChange(energy 501 theParticleChange.SetEnergyChange(energy);
500 theParticleChange.SetMomentumChange(aTra 502 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit());
501 return &theParticleChange; 503 return &theParticleChange;
502 } 504 }
503 // FinalBarion( fLVh, 0, fPDGencoding ); / 505 // FinalBarion( fLVh, 0, fPDGencoding ); // p(n)+deexcited recoil
504 FinalBarion( lvX, 0, fPDGencoding ); // p( 506 FinalBarion( lvX, 0, fPDGencoding ); // p(n)+deexcited recoil
505 } 507 }
506 else // if ( eX < 9500000.*GeV ) // < 25.*G 508 else // if ( eX < 9500000.*GeV ) // < 25.*GeV) // < 95.*GeV ) // < 2.5*GeV ) //cluster decay
507 { 509 {
508 if ( fProton && pName == "anti_nu_mu" 510 if ( fProton && pName == "anti_nu_mu" ) qB = 0;
509 else if( !fProton && pName == "anti_nu_mu" 511 else if( !fProton && pName == "anti_nu_mu" ) qB = -1;
510 512
511 ClusterDecay( lvX, qB ); 513 ClusterDecay( lvX, qB );
512 } 514 }
513 return &theParticleChange; 515 return &theParticleChange;
514 } 516 }
515 517
516 518
517 ////////////////////////////////////////////// 519 /////////////////////////////////////////////////////////////////////
518 ////////////////////////////////////////////// 520 ////////////////////////////////////////////////////////////////////
519 ////////////////////////////////////////////// 521 ///////////////////////////////////////////////////////////////////
520 522
521 ////////////////////////////////////////////// 523 /////////////////////////////////////////////////
522 // 524 //
523 // sample x, then Q2 525 // sample x, then Q2
524 526
525 void G4ANuMuNucleusCcModel::SampleLVkr(const G 527 void G4ANuMuNucleusCcModel::SampleLVkr(const G4HadProjectile & aTrack, G4Nucleus& targetNucleus)
526 { 528 {
527 fBreak = false; 529 fBreak = false;
528 G4int A = targetNucleus.GetA_asInt(), iTer(0 530 G4int A = targetNucleus.GetA_asInt(), iTer(0), iTerMax(100);
529 G4int Z = targetNucleus.GetZ_asInt(); 531 G4int Z = targetNucleus.GetZ_asInt();
530 G4double e3(0.), pMu2(0.), pX2(0.), nMom(0.) 532 G4double e3(0.), pMu2(0.), pX2(0.), nMom(0.), rM(0.), hM(0.), tM = targetNucleus.AtomicMass(A,Z);
531 G4double Ex(0.), ei(0.), nm2(0.); 533 G4double Ex(0.), ei(0.), nm2(0.);
532 G4double cost(1.), sint(0.), phi(0.), muMom( 534 G4double cost(1.), sint(0.), phi(0.), muMom(0.);
533 G4ThreeVector eP, bst; 535 G4ThreeVector eP, bst;
534 const G4HadProjectile* aParticle = &aTrack; 536 const G4HadProjectile* aParticle = &aTrack;
535 G4LorentzVector lvp1 = aParticle->Get4Moment 537 G4LorentzVector lvp1 = aParticle->Get4Momentum();
536 538
537 if( A == 1 ) // hydrogen, no Fermi motion ?? 539 if( A == 1 ) // hydrogen, no Fermi motion ???
538 { 540 {
539 fNuEnergy = aParticle->GetTotalEnergy(); 541 fNuEnergy = aParticle->GetTotalEnergy();
540 iTer = 0; 542 iTer = 0;
541 543
542 do 544 do
543 { 545 {
544 fXsample = SampleXkr(fNuEnergy); 546 fXsample = SampleXkr(fNuEnergy);
545 fQtransfer = SampleQkr(fNuEnergy, fXsamp 547 fQtransfer = SampleQkr(fNuEnergy, fXsample);
546 fQ2 = fQtransfer*fQtransfer; 548 fQ2 = fQtransfer*fQtransfer;
547 549
548 if( fXsample > 0. ) 550 if( fXsample > 0. )
549 { 551 {
550 fW2 = fM1*fM1 - fQ2 + fQ2/fXsample; // 552 fW2 = fM1*fM1 - fQ2 + fQ2/fXsample; // sample excited hadron mass
551 fEmu = fNuEnergy - fQ2/2./fM1/fXsample 553 fEmu = fNuEnergy - fQ2/2./fM1/fXsample;
552 } 554 }
553 else 555 else
554 { 556 {
555 fW2 = fM1*fM1; 557 fW2 = fM1*fM1;
556 fEmu = fNuEnergy; 558 fEmu = fNuEnergy;
557 } 559 }
558 e3 = fNuEnergy + fM1 - fEmu; 560 e3 = fNuEnergy + fM1 - fEmu;
559 561
560 if( e3 < sqrt(fW2) ) G4cout<<"energyX = 562 if( e3 < sqrt(fW2) ) G4cout<<"energyX = "<<e3/GeV<<", fW = "<<sqrt(fW2)/GeV<<G4endl;
561 563
562 pMu2 = fEmu*fEmu - fMu*fMu; 564 pMu2 = fEmu*fEmu - fMu*fMu;
563 565
564 if(pMu2 < 0.) { fBreak = true; return; } 566 if(pMu2 < 0.) { fBreak = true; return; }
565 567
566 pX2 = e3*e3 - fW2; 568 pX2 = e3*e3 - fW2;
567 569
568 fCosTheta = fNuEnergy*fNuEnergy + pMu2 570 fCosTheta = fNuEnergy*fNuEnergy + pMu2 - pX2;
569 fCosTheta /= 2.*fNuEnergy*sqrt(pMu2); 571 fCosTheta /= 2.*fNuEnergy*sqrt(pMu2);
570 iTer++; 572 iTer++;
571 } 573 }
572 while( ( abs(fCosTheta) > 1. || fEmu < fMu 574 while( ( abs(fCosTheta) > 1. || fEmu < fMu ) && iTer < iTerMax );
573 575
574 if( iTer >= iTerMax ) { fBreak = true; ret 576 if( iTer >= iTerMax ) { fBreak = true; return; }
575 577
576 if( abs(fCosTheta) > 1.) // vmg: due to bi 578 if( abs(fCosTheta) > 1.) // vmg: due to big Q2/x values. To be improved ...
577 { 579 {
578 G4cout<<"H2: fCosTheta = "<<fCosTheta<<" 580 G4cout<<"H2: fCosTheta = "<<fCosTheta<<", fEmu = "<<fEmu<<G4endl;
579 // fCosTheta = -1. + 2.*G4UniformRand(); 581 // fCosTheta = -1. + 2.*G4UniformRand();
580 if(fCosTheta < -1.) fCosTheta = -1.; 582 if(fCosTheta < -1.) fCosTheta = -1.;
581 if(fCosTheta > 1.) fCosTheta = 1.; 583 if(fCosTheta > 1.) fCosTheta = 1.;
582 } 584 }
583 // LVs 585 // LVs
584 586
585 G4LorentzVector lvt1 = G4LorentzVector( 0 587 G4LorentzVector lvt1 = G4LorentzVector( 0., 0., 0., fM1 );
586 G4LorentzVector lvsum = lvp1 + lvt1; 588 G4LorentzVector lvsum = lvp1 + lvt1;
587 589
588 cost = fCosTheta; 590 cost = fCosTheta;
589 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 591 sint = std::sqrt( (1.0 - cost)*(1.0 + cost) );
590 phi = G4UniformRand()*CLHEP::twopi; 592 phi = G4UniformRand()*CLHEP::twopi;
591 eP = G4ThreeVector( sint*std::cos(phi), 593 eP = G4ThreeVector( sint*std::cos(phi), sint*std::sin(phi), cost );
592 muMom = sqrt(fEmu*fEmu-fMu*fMu); 594 muMom = sqrt(fEmu*fEmu-fMu*fMu);
593 eP *= muMom; 595 eP *= muMom;
594 fLVl = G4LorentzVector( eP, fEmu ); 596 fLVl = G4LorentzVector( eP, fEmu );
595 597
596 fLVh = lvsum - fLVl; 598 fLVh = lvsum - fLVl;
597 fLVt = G4LorentzVector( 0., 0., 0., 0. ); 599 fLVt = G4LorentzVector( 0., 0., 0., 0. ); // no recoil
598 } 600 }
599 else // Fermi motion, Q2 in nucleon rest fra 601 else // Fermi motion, Q2 in nucleon rest frame
600 { 602 {
601 G4Nucleus recoil1( A-1, Z ); 603 G4Nucleus recoil1( A-1, Z );
602 rM = recoil1.AtomicMass(A-1,Z); 604 rM = recoil1.AtomicMass(A-1,Z);
603 do 605 do
604 { 606 {
605 // nMom = NucleonMomentumBR( targetNucle 607 // nMom = NucleonMomentumBR( targetNucleus ); // BR
606 nMom = GgSampleNM( targetNucleus ); // G 608 nMom = GgSampleNM( targetNucleus ); // Gg
607 Ex = GetEx(A-1, fProton); 609 Ex = GetEx(A-1, fProton);
608 ei = tM - sqrt( (rM + Ex)*(rM + Ex) + nM 610 ei = tM - sqrt( (rM + Ex)*(rM + Ex) + nMom*nMom );
609 // ei = 0.5*( tM - s2M - 2*eX ); 611 // ei = 0.5*( tM - s2M - 2*eX );
610 612
611 nm2 = ei*ei - nMom*nMom; 613 nm2 = ei*ei - nMom*nMom;
612 iTer++; 614 iTer++;
613 } 615 }
614 while( nm2 < 0. && iTer < iTerMax ); 616 while( nm2 < 0. && iTer < iTerMax );
615 617
616 if( iTer >= iTerMax ) { fBreak = true; ret 618 if( iTer >= iTerMax ) { fBreak = true; return; }
617 619
618 G4ThreeVector nMomDir = nMom*G4RandomDirec 620 G4ThreeVector nMomDir = nMom*G4RandomDirection();
619 621
620 if( !f2p2h || A < 3 ) // 1p1h 622 if( !f2p2h || A < 3 ) // 1p1h
621 { 623 {
622 // hM = tM - rM; 624 // hM = tM - rM;
623 625
624 fLVt = G4LorentzVector( -nMomDir, sqrt( 626 fLVt = G4LorentzVector( -nMomDir, sqrt( (rM + Ex)*(rM + Ex) + nMom*nMom ) ); // rM ); //
625 fLVh = G4LorentzVector( nMomDir, ei ); 627 fLVh = G4LorentzVector( nMomDir, ei ); // hM); //
626 } 628 }
627 else // 2p2h 629 else // 2p2h
628 { 630 {
629 G4Nucleus recoil(A-2,Z-1); 631 G4Nucleus recoil(A-2,Z-1);
630 rM = recoil.AtomicMass(A-2,Z-1)+sqrt(nMo 632 rM = recoil.AtomicMass(A-2,Z-1)+sqrt(nMom*nMom+fM1*fM1);
631 hM = tM - rM; 633 hM = tM - rM;
632 634
633 fLVt = G4LorentzVector( nMomDir, sqrt( r 635 fLVt = G4LorentzVector( nMomDir, sqrt( rM*rM+nMom*nMom ) );
634 fLVh = G4LorentzVector(-nMomDir, sqrt( h 636 fLVh = G4LorentzVector(-nMomDir, sqrt( hM*hM+nMom*nMom ) );
635 } 637 }
636 // G4cout<<hM<<", "; 638 // G4cout<<hM<<", ";
637 // bst = fLVh.boostVector(); 639 // bst = fLVh.boostVector();
638 640
639 // lvp1.boost(-bst); // -> nucleon rest sy 641 // lvp1.boost(-bst); // -> nucleon rest system, where Q2 transfer is ???
640 642
641 fNuEnergy = lvp1.e(); 643 fNuEnergy = lvp1.e();
642 // G4double mN = fLVh.m(); // better mN = 644 // G4double mN = fLVh.m(); // better mN = fM1 !? vmg
643 iTer = 0; 645 iTer = 0;
644 646
645 do // no FM!?, 5.4.20 vmg 647 do // no FM!?, 5.4.20 vmg
646 { 648 {
647 fXsample = SampleXkr(fNuEnergy); 649 fXsample = SampleXkr(fNuEnergy);
648 fQtransfer = SampleQkr(fNuEnergy, fXsamp 650 fQtransfer = SampleQkr(fNuEnergy, fXsample);
649 fQ2 = fQtransfer*fQtransfer; 651 fQ2 = fQtransfer*fQtransfer;
650 652
651 // G4double mR = mN + fM1*(A-1.)*std::ex 653 // G4double mR = mN + fM1*(A-1.)*std::exp(-2.0*fQtransfer/mN); // recoil mass in+el
652 654
653 if( fXsample > 0. ) 655 if( fXsample > 0. )
654 { 656 {
655 fW2 = fM1*fM1 - fQ2 + fQ2/fXsample; // 657 fW2 = fM1*fM1 - fQ2 + fQ2/fXsample; // sample excited hadron mass
656 658
657 // fW2 = mN*mN - fQ2 + fQ2/fXsample; / 659 // fW2 = mN*mN - fQ2 + fQ2/fXsample; // sample excited hadron mass
658 // fEmu = fNuEnergy - fQ2/2./mR/fXsamp 660 // fEmu = fNuEnergy - fQ2/2./mR/fXsample; // fM1->mN
659 661
660 fEmu = fNuEnergy - fQ2/2./fM1/fXsample 662 fEmu = fNuEnergy - fQ2/2./fM1/fXsample; // fM1->mN
661 } 663 }
662 else 664 else
663 { 665 {
664 // fW2 = mN*mN; 666 // fW2 = mN*mN;
665 667
666 fW2 = fM1*fM1; 668 fW2 = fM1*fM1;
667 fEmu = fNuEnergy; 669 fEmu = fNuEnergy;
668 } 670 }
669 // if(fEmu < 0.) G4cout<<"fEmu = "<<fEmu 671 // if(fEmu < 0.) G4cout<<"fEmu = "<<fEmu<<" hM = "<<hM<<G4endl;
670 // e3 = fNuEnergy + mR - fEmu; 672 // e3 = fNuEnergy + mR - fEmu;
671 673
672 e3 = fNuEnergy + fM1 - fEmu; 674 e3 = fNuEnergy + fM1 - fEmu;
673 675
674 // if( e3 < sqrt(fW2) ) G4cout<<"energy 676 // if( e3 < sqrt(fW2) ) G4cout<<"energyX = "<<e3/GeV<<", fW = "<<sqrt(fW2)/GeV<<G4endl;
675 677
676 pMu2 = fEmu*fEmu - fMu*fMu; 678 pMu2 = fEmu*fEmu - fMu*fMu;
677 pX2 = e3*e3 - fW2; 679 pX2 = e3*e3 - fW2;
678 680
679 if(pMu2 < 0.) { fBreak = true; return; } 681 if(pMu2 < 0.) { fBreak = true; return; }
680 682
681 fCosTheta = fNuEnergy*fNuEnergy + pMu2 683 fCosTheta = fNuEnergy*fNuEnergy + pMu2 - pX2;
682 fCosTheta /= 2.*fNuEnergy*sqrt(pMu2); 684 fCosTheta /= 2.*fNuEnergy*sqrt(pMu2);
683 iTer++; 685 iTer++;
684 } 686 }
685 while( ( abs(fCosTheta) > 1. || fEmu < fMu 687 while( ( abs(fCosTheta) > 1. || fEmu < fMu ) && iTer < iTerMax );
686 688
687 if( iTer >= iTerMax ) { fBreak = true; ret 689 if( iTer >= iTerMax ) { fBreak = true; return; }
688 690
689 if( abs(fCosTheta) > 1.) // vmg: due to bi 691 if( abs(fCosTheta) > 1.) // vmg: due to big Q2/x values. To be improved ...
690 { 692 {
691 G4cout<<"FM: fCosTheta = "<<fCosTheta<<" 693 G4cout<<"FM: fCosTheta = "<<fCosTheta<<", fEmu = "<<fEmu<<G4endl;
692 // fCosTheta = -1. + 2.*G4UniformRand(); 694 // fCosTheta = -1. + 2.*G4UniformRand();
693 if( fCosTheta < -1.) fCosTheta = -1.; 695 if( fCosTheta < -1.) fCosTheta = -1.;
694 if( fCosTheta > 1.) fCosTheta = 1.; 696 if( fCosTheta > 1.) fCosTheta = 1.;
695 } 697 }
696 // LVs 698 // LVs
697 // G4LorentzVector lvt1 = G4LorentzVector 699 // G4LorentzVector lvt1 = G4LorentzVector( 0., 0., 0., mN ); // fM1 );
698 700
699 G4LorentzVector lvt1 = G4LorentzVector( 0 701 G4LorentzVector lvt1 = G4LorentzVector( 0., 0., 0., fM1 ); // fM1 );
700 G4LorentzVector lvsum = lvp1 + lvt1; 702 G4LorentzVector lvsum = lvp1 + lvt1;
701 703
702 cost = fCosTheta; 704 cost = fCosTheta;
703 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 705 sint = std::sqrt( (1.0 - cost)*(1.0 + cost) );
704 phi = G4UniformRand()*CLHEP::twopi; 706 phi = G4UniformRand()*CLHEP::twopi;
705 eP = G4ThreeVector( sint*std::cos(phi), 707 eP = G4ThreeVector( sint*std::cos(phi), sint*std::sin(phi), cost );
706 muMom = sqrt(fEmu*fEmu-fMu*fMu); 708 muMom = sqrt(fEmu*fEmu-fMu*fMu);
707 eP *= muMom; 709 eP *= muMom;
708 fLVl = G4LorentzVector( eP, fEmu ); 710 fLVl = G4LorentzVector( eP, fEmu );
709 fLVh = lvsum - fLVl; 711 fLVh = lvsum - fLVl;
710 712
711 // if( fLVh.e() < mN || fLVh.m2() < 0.) { 713 // if( fLVh.e() < mN || fLVh.m2() < 0.) { fBreak = true; return; }
712 714
713 if( fLVh.e() < fM1 || fLVh.m2() < 0.) { fB 715 if( fLVh.e() < fM1 || fLVh.m2() < 0.) { fBreak = true; return; }
714 716
715 // back to lab system 717 // back to lab system
716 718
717 // fLVl.boost(bst); 719 // fLVl.boost(bst);
718 // fLVh.boost(bst); 720 // fLVh.boost(bst);
719 } 721 }
720 //G4cout<<iTer<<", "<<fBreak<<"; "; 722 //G4cout<<iTer<<", "<<fBreak<<"; ";
721 } 723 }
722 724
723 // 725 //
724 // 726 //
725 /////////////////////////// 727 ///////////////////////////
726 728