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28 // 28 //
29 // GEANT4 Class header file 29 // GEANT4 Class header file
30 // 30 //
31 // 31 //
32 // File name: G4eeToHadronsModel 32 // File name: G4eeToHadronsModel
33 // 33 //
34 // Author: Vladimir Ivanchenko 34 // Author: Vladimir Ivanchenko
35 // 35 //
36 // Creation date: 12.08.2003 36 // Creation date: 12.08.2003
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 08-04-05 Major optimisation of internal int 39 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
40 // 18-05-05 Use optimized interfaces (V.Ivantc 40 // 18-05-05 Use optimized interfaces (V.Ivantchenko)
41 // 41 //
42 // 42 //
43 // ------------------------------------------- 43 // -------------------------------------------------------------------
44 // 44 //
45 45
46 46
47 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
48 //....oooOO0OOooo........oooOO0OOooo........oo 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
49 49
50 #include "G4eeToHadronsModel.hh" 50 #include "G4eeToHadronsModel.hh"
51 #include "Randomize.hh" 51 #include "Randomize.hh"
52 #include "G4PhysicalConstants.hh" 52 #include "G4PhysicalConstants.hh"
53 #include "G4SystemOfUnits.hh" 53 #include "G4SystemOfUnits.hh"
54 #include "G4Electron.hh" 54 #include "G4Electron.hh"
55 #include "G4Gamma.hh" 55 #include "G4Gamma.hh"
56 #include "G4Positron.hh" 56 #include "G4Positron.hh"
57 #include "G4PionPlus.hh" 57 #include "G4PionPlus.hh"
58 #include "Randomize.hh" 58 #include "Randomize.hh"
59 #include "G4Vee2hadrons.hh" 59 #include "G4Vee2hadrons.hh"
60 #include "G4PhysicsVector.hh" 60 #include "G4PhysicsVector.hh"
61 #include "G4PhysicsLogVector.hh" 61 #include "G4PhysicsLogVector.hh"
62 #include "G4Log.hh" 62 #include "G4Log.hh"
63 #include "G4Exp.hh" 63 #include "G4Exp.hh"
64 64
65 //....oooOO0OOooo........oooOO0OOooo........oo 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
66 66
67 using namespace std; 67 using namespace std;
68 68
69 G4eeToHadronsModel::G4eeToHadronsModel(G4Vee2h 69 G4eeToHadronsModel::G4eeToHadronsModel(G4Vee2hadrons* mod, G4int ver,
70 const G 70 const G4String& nam)
71 : G4VEmModel(nam), 71 : G4VEmModel(nam),
72 model(mod), 72 model(mod),
>> 73 crossPerElectron(0),
>> 74 crossBornPerElectron(0),
>> 75 isInitialised(false),
>> 76 nbins(100),
73 verbose(ver) 77 verbose(ver)
74 { 78 {
75 theGamma = G4Gamma::Gamma(); 79 theGamma = G4Gamma::Gamma();
76 highKinEnergy = HighEnergyLimit(); 80 highKinEnergy = HighEnergyLimit();
77 lowKinEnergy = LowEnergyLimit(); 81 lowKinEnergy = LowEnergyLimit();
78 emin = lowKinEnergy; 82 emin = lowKinEnergy;
79 emax = highKinEnergy; 83 emax = highKinEnergy;
80 peakKinEnergy = highKinEnergy; 84 peakKinEnergy = highKinEnergy;
81 epeak = emax; 85 epeak = emax;
82 //verbose = 1; 86 //verbose = 1;
83 } 87 }
84 88
85 //....oooOO0OOooo........oooOO0OOooo........oo 89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
86 90
87 G4eeToHadronsModel::~G4eeToHadronsModel() 91 G4eeToHadronsModel::~G4eeToHadronsModel()
88 { 92 {
89 delete model; 93 delete model;
90 } 94 }
91 95
92 //....oooOO0OOooo........oooOO0OOooo........oo 96 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
93 97
94 void G4eeToHadronsModel::Initialise(const G4Pa 98 void G4eeToHadronsModel::Initialise(const G4ParticleDefinition*,
95 const G4Da 99 const G4DataVector&)
96 { 100 {
97 if(isInitialised) { return; } 101 if(isInitialised) { return; }
98 isInitialised = true; 102 isInitialised = true;
99 103
100 // CM system 104 // CM system
101 emin = model->LowEnergy(); << 105 emin = model->LowEnergy();
102 emax = model->HighEnergy(); << 106 emax = model->HighEnergy();
103 107
104 // peak energy 108 // peak energy
105 epeak = std::min(model->PeakEnergy(), emax); 109 epeak = std::min(model->PeakEnergy(), emax);
106 110
107 if(verbose>0) { 111 if(verbose>0) {
108 G4cout << "G4eeToHadronsModel::Initialise: 112 G4cout << "G4eeToHadronsModel::Initialise: " << G4endl;
109 G4cout << "CM System: emin(MeV)= " << emin 113 G4cout << "CM System: emin(MeV)= " << emin/MeV
110 << " epeak(MeV)= " << epeak/MeV 114 << " epeak(MeV)= " << epeak/MeV
111 << " emax(MeV)= " << emax/MeV 115 << " emax(MeV)= " << emax/MeV
112 << G4endl; 116 << G4endl;
113 } 117 }
114 118
115 crossBornPerElectron = model->PhysicsVector( 119 crossBornPerElectron = model->PhysicsVector();
116 crossPerElectron = model->PhysicsVector( 120 crossPerElectron = model->PhysicsVector();
117 nbins = (G4int)crossPerElectron->GetVectorLe << 121 nbins = crossPerElectron->GetVectorLength();
118 for(G4int i=0; i<nbins; ++i) { 122 for(G4int i=0; i<nbins; ++i) {
119 G4double e = crossPerElectron->Energy(i); 123 G4double e = crossPerElectron->Energy(i);
120 G4double cs = model->ComputeCrossSection(e 124 G4double cs = model->ComputeCrossSection(e);
121 crossBornPerElectron->PutValue(i, cs); 125 crossBornPerElectron->PutValue(i, cs);
122 } 126 }
123 ComputeCMCrossSectionPerElectron(); 127 ComputeCMCrossSectionPerElectron();
124 128
125 if(verbose>1) { 129 if(verbose>1) {
126 G4cout << "G4eeToHadronsModel: Cross secti 130 G4cout << "G4eeToHadronsModel: Cross sections per electron"
127 << " nbins= " << nbins 131 << " nbins= " << nbins
128 << " emin(MeV)= " << emin/MeV 132 << " emin(MeV)= " << emin/MeV
129 << " emax(MeV)= " << emax/MeV 133 << " emax(MeV)= " << emax/MeV
130 << G4endl; 134 << G4endl;
131 for(G4int i=0; i<nbins; ++i) { 135 for(G4int i=0; i<nbins; ++i) {
132 G4double e = crossPerElectron->Energy(i 136 G4double e = crossPerElectron->Energy(i);
133 G4double s1 = crossPerElectron->Value(e) 137 G4double s1 = crossPerElectron->Value(e);
134 G4double s2 = crossBornPerElectron->Valu 138 G4double s2 = crossBornPerElectron->Value(e);
135 G4cout << "E(MeV)= " << e/MeV 139 G4cout << "E(MeV)= " << e/MeV
136 << " cross(nb)= " << s1/nanobarn 140 << " cross(nb)= " << s1/nanobarn
137 << " crossBorn(nb)= " << s2/nano 141 << " crossBorn(nb)= " << s2/nanobarn
138 << G4endl; 142 << G4endl;
139 } 143 }
140 } 144 }
141 } 145 }
142 146
143 //....oooOO0OOooo........oooOO0OOooo........oo 147 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
144 148
145 G4double G4eeToHadronsModel::CrossSectionPerVo 149 G4double G4eeToHadronsModel::CrossSectionPerVolume(
146 const G4Material* mat, 150 const G4Material* mat,
147 const G4ParticleDefinition* p, 151 const G4ParticleDefinition* p,
148 G4double kineticEnergy, 152 G4double kineticEnergy,
149 G4double, G4double) 153 G4double, G4double)
150 { 154 {
151 return mat->GetElectronDensity()* 155 return mat->GetElectronDensity()*
152 ComputeCrossSectionPerElectron(p, kineticE 156 ComputeCrossSectionPerElectron(p, kineticEnergy);
153 } 157 }
154 158
155 //....oooOO0OOooo........oooOO0OOooo........oo 159 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
156 160
157 G4double G4eeToHadronsModel::ComputeCrossSecti 161 G4double G4eeToHadronsModel::ComputeCrossSectionPerAtom(
158 const G4 162 const G4ParticleDefinition* p,
159 G4double kineticEnergy, 163 G4double kineticEnergy,
160 G4double Z, G4double, 164 G4double Z, G4double,
161 G4double, G4double) 165 G4double, G4double)
162 { 166 {
163 return Z*ComputeCrossSectionPerElectron(p, k 167 return Z*ComputeCrossSectionPerElectron(p, kineticEnergy);
164 } 168 }
165 169
166 //....oooOO0OOooo........oooOO0OOooo........oo 170 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
167 171
168 G4double G4eeToHadronsModel::ComputeCrossSecti 172 G4double G4eeToHadronsModel::ComputeCrossSectionPerElectron(
169 cons 173 const G4ParticleDefinition*,
170 174 G4double energy,
171 175 G4double, G4double)
172 { 176 {
173 return crossPerElectron->Value(energy); << 177 return (crossPerElectron) ? crossPerElectron->Value(energy) : 0.0;
174 } 178 }
175 179
176 //....oooOO0OOooo........oooOO0OOooo........oo 180 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
177 181
178 void G4eeToHadronsModel::SampleSecondaries(std 182 void G4eeToHadronsModel::SampleSecondaries(std::vector<G4DynamicParticle*>* newp,
179 const G4MaterialCutsCouple*, 183 const G4MaterialCutsCouple*,
180 const G4DynamicParticle* dParticl 184 const G4DynamicParticle* dParticle,
181 G4double, 185 G4double,
182 G4double) 186 G4double)
183 { 187 {
184 G4double t = dParticle->GetKineticEnergy() + << 188 if(crossPerElectron) {
185 G4LorentzVector inlv = dParticle->Get4Moment << 189 G4double t = dParticle->GetKineticEnergy() + 2*electron_mass_c2;
186 G4LorentzVector(0.0,0.0,0.0,electron_mass_ << 190 G4LorentzVector inlv = dParticle->Get4Momentum() +
187 G4double e = inlv.m(); << 191 G4LorentzVector(0.0,0.0,0.0,electron_mass_c2);
188 G4ThreeVector inBoost = inlv.boostVector(); << 192 G4double e = inlv.m();
189 //G4cout << "G4eeToHadronsModel::SampleSecon << 193 G4ThreeVector inBoost = inlv.boostVector();
190 // << " " << inlv << " " << inBoost <<G4 << 194 //G4cout << "G4eeToHadronsModel::SampleSecondaries e= " << e
191 if(e > emin) { << 195 // << " " << inlv << " " << inBoost <<G4endl;
192 G4DynamicParticle* gamma = GenerateCMPhoto << 196 if(e > emin) {
193 G4LorentzVector gLv = gamma->Get4Momentum( << 197 G4DynamicParticle* gamma = GenerateCMPhoton(e);
194 G4LorentzVector lv(0.0,0.0,0.0,e); << 198 G4LorentzVector gLv = gamma->Get4Momentum();
195 lv -= gLv; << 199 G4LorentzVector lv(0.0,0.0,0.0,e);
196 G4double mass = lv.m(); << 200 lv -= gLv;
197 //G4cout << "mass= " << mass << " " << lv << 201 G4double mass = lv.m();
198 G4ThreeVector boost = lv.boostVector(); << 202 //G4cout << "mass= " << mass << " " << lv << G4endl;
199 //G4cout << "mass= " << mass << " " << boo << 203 G4ThreeVector boost = lv.boostVector();
200 const G4ThreeVector dir = gamma->GetMoment << 204 //G4cout << "mass= " << mass << " " << boost << G4endl;
201 model->SampleSecondaries(newp, mass, dir); << 205 const G4ThreeVector dir = gamma->GetMomentumDirection();
202 std::size_t np = newp->size(); << 206 model->SampleSecondaries(newp, mass, dir);
203 for(std::size_t j=0; j<np; ++j) { << 207 G4int np = newp->size();
204 G4DynamicParticle* dp = (*newp)[j]; << 208 for(G4int j=0; j<np; ++j) {
205 G4LorentzVector v = dp->Get4Momentum(); << 209 G4DynamicParticle* dp = (*newp)[j];
206 v.boost(boost); << 210 G4LorentzVector v = dp->Get4Momentum();
207 //G4cout << j << ". " << v << G4endl; << 211 v.boost(boost);
208 v.boost(inBoost); << 212 //G4cout << j << ". " << v << G4endl;
209 //G4cout << " " << v << G4endl; << 213 v.boost(inBoost);
210 dp->Set4Momentum(v); << 214 //G4cout << " " << v << G4endl;
211 t -= v.e(); << 215 dp->Set4Momentum(v);
212 } << 216 t -= v.e();
213 //G4cout << "Gamma " << gLv << G4endl; << 217 }
214 gLv.boost(inBoost); << 218 //G4cout << "Gamma " << gLv << G4endl;
215 //G4cout << " " << gLv << G4endl; << 219 gLv.boost(inBoost);
216 gamma->Set4Momentum(gLv); << 220 //G4cout << " " << gLv << G4endl;
217 t -= gLv.e(); << 221 gamma->Set4Momentum(gLv);
218 newp->push_back(gamma); << 222 t -= gLv.e();
219 if(std::abs(t) > CLHEP::MeV) { << 223 newp->push_back(gamma);
220 G4cout << "G4eeToHadronsModel::SampleSec << 224 if(std::abs(t) > MeV) {
221 << t/MeV << " primary 4-momentum: " << << 225 G4cout << "G4eeToHadronsModel::SampleSecondaries: Ebalance(MeV)= "
>> 226 << t/MeV << " primary 4-momentum: " << inlv << G4endl;
>> 227 }
222 } 228 }
223 } 229 }
224 } 230 }
225 231
226 //....oooOO0OOooo........oooOO0OOooo........oo 232 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
227 233
228 void G4eeToHadronsModel::ComputeCMCrossSection 234 void G4eeToHadronsModel::ComputeCMCrossSectionPerElectron()
229 { 235 {
230 for(G4int i=0; i<nbins; i++) { 236 for(G4int i=0; i<nbins; i++) {
231 G4double e = crossPerElectron->Energy(i); 237 G4double e = crossPerElectron->Energy(i);
232 G4double cs = 0.0; 238 G4double cs = 0.0;
233 if(i > 0) { 239 if(i > 0) {
234 G4double LL = 2.0*G4Log(e/electron_mas 240 G4double LL = 2.0*G4Log(e/electron_mass_c2);
235 G4double bt = 2.0*fine_structure_const* 241 G4double bt = 2.0*fine_structure_const*(LL - 1.0)/pi;
236 G4double btm1= bt - 1.0; 242 G4double btm1= bt - 1.0;
237 G4double del = 1. + fine_structure_const 243 G4double del = 1. + fine_structure_const*(1.5*LL + pi*pi/3. -2.)/pi;
238 G4double s1 = crossBornPerElectron->Val 244 G4double s1 = crossBornPerElectron->Value(e);
239 G4double e1 = crossPerElectron->Energy( 245 G4double e1 = crossPerElectron->Energy(i-1);
240 G4double x1 = 1. - e1/e; 246 G4double x1 = 1. - e1/e;
241 cs += s1*(del*G4Exp(G4Log(x1)*bt) - bt*( 247 cs += s1*(del*G4Exp(G4Log(x1)*bt) - bt*(x1 - 0.25*x1*x1));
242 if(i > 1) { 248 if(i > 1) {
243 G4double e2 = e1; 249 G4double e2 = e1;
244 G4double x2 = x1; 250 G4double x2 = x1;
245 G4double s2 = crossBornPerElectron->Value(e 251 G4double s2 = crossBornPerElectron->Value(e2);
246 G4double w2 = bt*(del*G4Exp(G4Log(x2)*btm1) 252 G4double w2 = bt*(del*G4Exp(G4Log(x2)*btm1) - 1.0 + 0.5*x2);
247 G4double w1; 253 G4double w1;
248 254
249 for(G4int j=i-2; j>=0; --j) { 255 for(G4int j=i-2; j>=0; --j) {
250 e1 = crossPerElectron->Energy(j); 256 e1 = crossPerElectron->Energy(j);
251 x1 = 1. - e1/e; 257 x1 = 1. - e1/e;
252 s1 = crossBornPerElectron->Value(e1); 258 s1 = crossBornPerElectron->Value(e1);
253 w1 = bt*(del*G4Exp(G4Log(x1)*btm1) - 1.0 259 w1 = bt*(del*G4Exp(G4Log(x1)*btm1) - 1.0 + 0.5*x1);
254 cs += 0.5*(x1 - x2)*(w2*s2 + w1*s1); 260 cs += 0.5*(x1 - x2)*(w2*s2 + w1*s1);
255 e2 = e1; 261 e2 = e1;
256 x2 = x1; 262 x2 = x1;
257 s2 = s1; 263 s2 = s1;
258 w2 = w1; 264 w2 = w1;
259 } 265 }
260 } 266 }
261 } 267 }
262 crossPerElectron->PutValue(i, cs); 268 crossPerElectron->PutValue(i, cs);
263 } 269 }
264 } 270 }
265 271
266 //....oooOO0OOooo........oooOO0OOooo........oo 272 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
267 273
268 G4DynamicParticle* G4eeToHadronsModel::Generat 274 G4DynamicParticle* G4eeToHadronsModel::GenerateCMPhoton(G4double e)
269 { 275 {
270 G4double x; 276 G4double x;
271 G4DynamicParticle* gamma = nullptr; 277 G4DynamicParticle* gamma = nullptr;
272 G4double LL = 2.0*G4Log(e/electron_mass_c2 278 G4double LL = 2.0*G4Log(e/electron_mass_c2);
273 G4double bt = 2.0*fine_structure_const*(LL 279 G4double bt = 2.0*fine_structure_const*(LL - 1.)/pi;
274 G4double btm1= bt - 1.0; 280 G4double btm1= bt - 1.0;
275 G4double del = 1. + fine_structure_const*(1. 281 G4double del = 1. + fine_structure_const*(1.5*LL + pi*pi/3. -2.)/pi;
276 282
277 G4double s0 = crossBornPerElectron->Value(e) 283 G4double s0 = crossBornPerElectron->Value(e);
278 G4double de = (emax - emin)/(G4double)nbins; 284 G4double de = (emax - emin)/(G4double)nbins;
279 G4double xmax = 0.5*(1.0 - (emin*emin)/(e*e) 285 G4double xmax = 0.5*(1.0 - (emin*emin)/(e*e));
280 G4double xmin = std::min(de/e, xmax); 286 G4double xmin = std::min(de/e, xmax);
281 G4double ds = s0*(del*G4Exp(G4Log(xmin)*bt) 287 G4double ds = s0*(del*G4Exp(G4Log(xmin)*bt) - bt*(xmin - 0.25*xmin*xmin));
282 G4double e1 = e*(1. - xmin); 288 G4double e1 = e*(1. - xmin);
283 289
284 //G4cout << "e1= " << e1 << G4endl; 290 //G4cout << "e1= " << e1 << G4endl;
285 if(e1 < emax && s0*G4UniformRand()<ds) { 291 if(e1 < emax && s0*G4UniformRand()<ds) {
286 x = xmin*G4Exp(G4Log(G4UniformRand())/bt); 292 x = xmin*G4Exp(G4Log(G4UniformRand())/bt);
287 } else { 293 } else {
288 294
289 x = xmin; 295 x = xmin;
290 G4double s1 = crossBornPerElectron->Value( 296 G4double s1 = crossBornPerElectron->Value(e1);
291 G4double w1 = bt*(del*G4Exp(G4Log(x)*btm1) 297 G4double w1 = bt*(del*G4Exp(G4Log(x)*btm1) - 1.0 + 0.5*x);
292 G4double grej = s1*w1; 298 G4double grej = s1*w1;
293 G4double f; 299 G4double f;
294 /* 300 /*
295 G4cout << "e(GeV)= " << e/GeV << " epeak( 301 G4cout << "e(GeV)= " << e/GeV << " epeak(GeV)= " << epeak/GeV
296 << " s1= " << s1 << " w1= " << w1 302 << " s1= " << s1 << " w1= " << w1
297 << " grej= " << grej << G4endl; 303 << " grej= " << grej << G4endl;
298 */ 304 */
299 // Above emax cross section is const 305 // Above emax cross section is const
300 if(e1 > emax) { 306 if(e1 > emax) {
301 x = 0.5*(1. - (emax*emax)/(e*e)); 307 x = 0.5*(1. - (emax*emax)/(e*e));
302 G4double s2 = crossBornPerElectron->Valu 308 G4double s2 = crossBornPerElectron->Value(emax);
303 G4double w2 = bt*(del*G4Exp(G4Log(x)*btm 309 G4double w2 = bt*(del*G4Exp(G4Log(x)*btm1) - 1.0 + 0.5*x);
304 grej = s2*w2; 310 grej = s2*w2;
305 //G4cout << "emax= " << emax << " s2= " 311 //G4cout << "emax= " << emax << " s2= " << s2 << " w2= " << w2
306 // << " grej= " << grej << G4endl; 312 // << " grej= " << grej << G4endl;
307 } 313 }
308 314
309 if(e1 > epeak) { 315 if(e1 > epeak) {
310 x = 0.5*(1.0 - (epeak*epeak)/(e*e)); 316 x = 0.5*(1.0 - (epeak*epeak)/(e*e));
311 G4double s2 = crossBornPerElectron->Valu 317 G4double s2 = crossBornPerElectron->Value(epeak);
312 G4double w2 = bt*(del*G4Exp(G4Log(x)*btm 318 G4double w2 = bt*(del*G4Exp(G4Log(x)*btm1) - 1.0 + 0.5*x);
313 grej = std::max(grej,s2*w2); 319 grej = std::max(grej,s2*w2);
314 //G4cout << "epeak= " << epeak << " s2= 320 //G4cout << "epeak= " << epeak << " s2= " << s2 << " w2= " << w2
315 // << " grej= " << grej << G4endl; 321 // << " grej= " << grej << G4endl;
316 } 322 }
317 G4int ii = 0; 323 G4int ii = 0;
318 const G4int iimax = 1000; 324 const G4int iimax = 1000;
319 do { 325 do {
320 x = xmin + G4UniformRand()*(xmax - xmin) 326 x = xmin + G4UniformRand()*(xmax - xmin);
321 327
322 G4double s2 = crossBornPerElectron->Valu 328 G4double s2 = crossBornPerElectron->Value(sqrt(1.0 - 2*x)*e);
323 G4double w2 = bt*(del*G4Exp(G4Log(x)*btm 329 G4double w2 = bt*(del*G4Exp(G4Log(x)*btm1) - 1.0 + 0.5*x);
324 /* 330 /*
325 G4cout << "x= " << x << " xmin= " << xmi 331 G4cout << "x= " << x << " xmin= " << xmin << " xmax= " << xmax
326 << " s2= " << s2 << " w2= " << w2 < 332 << " s2= " << s2 << " w2= " << w2 << G4endl;
327 */ 333 */
328 f = s2*w2; 334 f = s2*w2;
329 if(f > grej) { 335 if(f > grej) {
330 G4cout << "G4DynamicParticle* G4eeToHadronsM 336 G4cout << "G4DynamicParticle* G4eeToHadronsModel:WARNING "
331 << f << " > " << grej << " majorant i 337 << f << " > " << grej << " majorant is`small!"
332 << G4endl; 338 << G4endl;
333 } 339 }
334 if(++ii >= iimax) { break; } 340 if(++ii >= iimax) { break; }
335 // Loop checking, 07-Aug-2015, Vladimir 341 // Loop checking, 07-Aug-2015, Vladimir Ivanchenko
336 } while (f < grej*G4UniformRand()); 342 } while (f < grej*G4UniformRand());
337 } 343 }
338 344
339 G4ThreeVector dir(0.0,0.0,1.0); 345 G4ThreeVector dir(0.0,0.0,1.0);
340 if(G4UniformRand() > 0.5) { dir.set(0.0,0.0, 346 if(G4UniformRand() > 0.5) { dir.set(0.0,0.0,-1.0); }
341 //G4cout << "Egamma(MeV)= " << x*e << " " < 347 //G4cout << "Egamma(MeV)= " << x*e << " " << dir << G4endl;
342 gamma = new G4DynamicParticle(theGamma,dir,x 348 gamma = new G4DynamicParticle(theGamma,dir,x*e);
343 return gamma; 349 return gamma;
344 } 350 }
345 351
346 //....oooOO0OOooo........oooOO0OOooo........oo 352 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 353
347 354