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26 /// \file electromagnetic/TestEm0/src/RunActio << 26 // $Id: RunAction.cc,v 1.9 2006/12/08 16:38:38 maire Exp $
27 /// \brief Implementation of the RunAction cla << 27 // GEANT4 tag $Name: geant4-09-01-patch-02 $
28 // << 28 //
29 // <<
30 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 31
33 #include "RunAction.hh" 32 #include "RunAction.hh"
34 <<
35 #include "DetectorConstruction.hh" 33 #include "DetectorConstruction.hh"
36 #include "PrimaryGeneratorAction.hh" 34 #include "PrimaryGeneratorAction.hh"
37 35
38 #include "G4Electron.hh" <<
39 #include "G4EmCalculator.hh" <<
40 #include "G4LossTableManager.hh" <<
41 #include "G4PhysicalConstants.hh" <<
42 #include "G4Positron.hh" <<
43 #include "G4ProcessManager.hh" <<
44 #include "G4Run.hh" 36 #include "G4Run.hh"
45 #include "G4SystemOfUnits.hh" << 37 #include "G4ProcessManager.hh"
46 #include "G4UnitsTable.hh" 38 #include "G4UnitsTable.hh"
>> 39 #include "G4EmCalculator.hh"
>> 40 #include "G4Electron.hh"
47 41
48 #include <vector> 42 #include <vector>
49 43
50 //....oooOO0OOooo........oooOO0OOooo........oo 44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51 45
52 RunAction::RunAction(DetectorConstruction* det 46 RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* kin)
53 : fDetector(det), fPrimary(kin) << 47 :detector(det), primary(kin)
54 {} << 48 { }
>> 49
>> 50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 51
>> 52 RunAction::~RunAction()
>> 53 { }
>> 54
55 //....oooOO0OOooo........oooOO0OOooo........oo 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 56
57 void RunAction::BeginOfRunAction(const G4Run*) 57 void RunAction::BeginOfRunAction(const G4Run*)
58 { 58 {
59 // set precision for printing << 59 //set precision for printing
60 G4int prec = G4cout.precision(6); 60 G4int prec = G4cout.precision(6);
61 << 61
62 // instanciate EmCalculator << 62 // get particle
63 G4EmCalculator emCal; << 63 G4ParticleDefinition* particle = primary->GetParticleGun()
64 // emCal.SetVerbose(2); << 64 ->GetParticleDefinition();
65 <<
66 // get particle <<
67 G4ParticleDefinition* particle = fPrimary->G <<
68 G4String partName = particle->GetParticleNam 65 G4String partName = particle->GetParticleName();
69 G4double charge = particle->GetPDGCharge(); << 66 G4double charge = particle->GetPDGCharge();
70 G4double energy = fPrimary->GetParticleGun() << 67 G4double energy = primary->GetParticleGun()->GetParticleEnergy();
71 << 68
72 // get material 69 // get material
73 const G4Material* material = fDetector->GetM << 70 G4Material* material = detector->GetMaterial();
74 G4String matName = material->GetName(); << 71 G4String matName = material->GetName();
75 G4double density = material->GetDensity(); << 72 G4double density = material->GetDensity();
76 G4double radl = material->GetRadlen(); << 73 G4double radl = material->GetRadlen();
77 << 74
78 G4cout << "\n " << partName << " (" << G4Bes << 75 G4cout << "\n " << partName << " ("
79 << material->GetName() << " (density: << 76 << G4BestUnit(energy,"Energy") << ") in "
80 << "; radiation length: " << G4Best << 77 << material->GetName() << " (density: "
>> 78 << G4BestUnit(density,"Volumic Mass") << "; radiation length: "
>> 79 << G4BestUnit(radl, "Length") << ")" << G4endl;
81 80
82 // get cuts << 81 // get cuts
83 GetCuts(); 82 GetCuts();
84 if (charge != 0.) { 83 if (charge != 0.) {
85 G4cout << "\n Range cuts: \t gamma " << s << 84 G4cout << "\n Range cuts : \t gamma "
86 << "\t e- " << std::setw(12) << G4B << 85 << std::setw(8) << G4BestUnit(rangeCut[0],"Length")
87 G4cout << "\n Energy cuts: \t gamma " << s << 86 << "\t e- " << std::setw(8) << G4BestUnit(rangeCut[1],"Length");
88 << "\t e- " << std::setw(12) << G4B << 87 G4cout << "\n Energy cuts : \t gamma "
89 } << 88 << std::setw(8) << G4BestUnit(energyCut[0],"Energy")
90 << 89 << "\t e- " << std::setw(8) << G4BestUnit(energyCut[1],"Energy")
91 // max energy transfert << 90 << G4endl;
92 if (charge != 0.) { << 91 }
93 G4double Mass_c2 = particle->GetPDGMass(); << 92
94 G4double moverM = electron_mass_c2 / Mass_ <<
95 G4double gamM1 = energy / Mass_c2, gam = g <<
96 G4double Tmax = energy; <<
97 if (particle == G4Electron::Electron()) { <<
98 Tmax *= 0.5; <<
99 } <<
100 else if (particle != G4Positron::Positron( <<
101 Tmax = (2 * electron_mass_c2 * gamM1 * g <<
102 } <<
103 G4double range = emCal.GetCSDARange(Tmax, <<
104 <<
105 G4cout << "\n Max_energy _transferable : <<
106 << G4BestUnit(range, "Length") << " <<
107 } <<
108 <<
109 // get processList and extract EM processes 93 // get processList and extract EM processes (but not MultipleScattering)
110 G4ProcessVector* plist = particle->GetProces 94 G4ProcessVector* plist = particle->GetProcessManager()->GetProcessList();
111 G4String procName; 95 G4String procName;
112 G4double cut; 96 G4double cut;
113 std::vector<G4String> emName; 97 std::vector<G4String> emName;
114 std::vector<G4double> enerCut; 98 std::vector<G4double> enerCut;
115 size_t length = plist->size(); 99 size_t length = plist->size();
116 for (size_t j = 0; j < length; j++) { << 100 for (size_t j=0; j<length; j++) {
117 procName = (*plist)[j]->GetProcessName(); << 101 procName = (*plist)[j]->GetProcessName();
118 cut = fEnergyCut[1]; << 102 cut = energyCut[1];
119 if ((procName == "eBrem") || (procName == << 103 if ((procName == "eBrem")||(procName == "muBrems")) cut = energyCut[0];
120 if (((*plist)[j]->GetProcessType() == fEle << 104 if (((*plist)[j]->GetProcessType() == fElectromagnetic) &&
121 emName.push_back(procName); << 105 (procName != "msc")) {
122 enerCut.push_back(cut); << 106 emName.push_back(procName);
123 } << 107 enerCut.push_back(cut);
>> 108 }
124 } 109 }
125 << 110
126 // write html documentation, if requested <<
127 char* htmlDocName = std::getenv("G4PhysListN <<
128 char* htmlDocDir = std::getenv("G4PhysListDo <<
129 if (htmlDocName && htmlDocDir) { <<
130 G4LossTableManager::Instance()->DumpHtml() <<
131 } <<
132 <<
133 // print list of processes 111 // print list of processes
134 G4cout << "\n processes : "; 112 G4cout << "\n processes : ";
135 for (size_t j = 0; j < emName.size(); ++j) { << 113 for (size_t j=0; j<emName.size();j++)
136 G4cout << "\t" << std::setw(14) << emName[ << 114 G4cout << "\t" << std::setw(13) << emName[j] << "\t";
137 } << 115 G4cout << "\t" << std::setw(13) <<"total";
138 G4cout << "\t" << std::setw(14) << "total"; << 116
139 << 117 //instanciate EmCalculator
140 // compute cross section per atom (only for << 118 G4EmCalculator emCal;
>> 119 // emCal.SetVerbose(2);
>> 120
>> 121 //compute cross section per atom (only for single material)
141 if (material->GetNumberOfElements() == 1) { 122 if (material->GetNumberOfElements() == 1) {
142 G4double Z = material->GetZ(); 123 G4double Z = material->GetZ();
143 G4double A = material->GetA(); 124 G4double A = material->GetA();
144 << 125
145 std::vector<G4double> sigma0; 126 std::vector<G4double> sigma0;
146 G4double sig, sigtot = 0.; 127 G4double sig, sigtot = 0.;
147 128
148 for (size_t j = 0; j < emName.size(); j++) << 129 for (size_t j=0; j<emName.size();j++) {
149 sig = emCal.ComputeCrossSectionPerAtom(e << 130 sig = emCal.ComputeCrossSectionPerAtom
150 sigtot += sig; << 131 (energy,particle,emName[j],Z,A,enerCut[j]);
151 sigma0.push_back(sig); << 132 sigtot += sig;
>> 133 sigma0.push_back(sig);
152 } 134 }
153 sigma0.push_back(sigtot); 135 sigma0.push_back(sigtot);
154 136
155 G4cout << "\n \n cross section per atom 137 G4cout << "\n \n cross section per atom : ";
156 for (size_t j = 0; j < sigma0.size(); ++j) << 138 for (size_t j=0; j<sigma0.size();j++) {
157 G4cout << "\t" << std::setw(9) << G4Best << 139 G4cout << "\t" << std::setw(13) << G4BestUnit(sigma0[j], "Surface");
158 } 140 }
159 G4cout << G4endl; 141 G4cout << G4endl;
160 } 142 }
161 << 143
162 // get cross section per volume << 144 //get cross section per volume
163 std::vector<G4double> sigma0; <<
164 std::vector<G4double> sigma1; 145 std::vector<G4double> sigma1;
165 std::vector<G4double> sigma2; << 146 std::vector<G4double> sigma2;
166 G4double Sig, SigtotComp = 0., Sigtot = 0.; << 147 G4double Sig, Sigtot = 0.;
167 148
168 for (size_t j = 0; j < emName.size(); ++j) { << 149 for (size_t j=0; j<emName.size();j++) {
169 Sig = emCal.ComputeCrossSectionPerVolume(e << 150 Sig = emCal.GetCrossSectionPerVolume(energy,particle,emName[j],material);
170 SigtotComp += Sig; << 151 if (Sig == 0.) Sig = emCal.ComputeCrossSectionPerVolume
171 sigma0.push_back(Sig); << 152 (energy,particle,emName[j],material,enerCut[j]);
172 Sig = emCal.GetCrossSectionPerVolume(energ << 153 Sigtot += Sig;
173 Sigtot += Sig; <<
174 sigma1.push_back(Sig); 154 sigma1.push_back(Sig);
175 sigma2.push_back(Sig / density); << 155 sigma2.push_back(Sig/density);
176 } 156 }
177 sigma0.push_back(SigtotComp); <<
178 sigma1.push_back(Sigtot); 157 sigma1.push_back(Sigtot);
179 sigma2.push_back(Sigtot / density); << 158 sigma2.push_back(Sigtot/density);
180 << 159
181 // print cross sections << 160 //print cross sections
182 G4cout << "\n compCrossSectionPerVolume: "; << 161 G4cout << "\n \n cross section per volume : ";
183 for (size_t j = 0; j < sigma0.size(); ++j) { << 162 for (size_t j=0; j<sigma1.size();j++) {
184 G4cout << "\t" << std::setw(9) << sigma0[j << 163 G4cout << "\t" << std::setw(13) << sigma1[j]*cm << " cm^-1";
185 } <<
186 G4cout << "\n cross section per volume : "; <<
187 for (size_t j = 0; j < sigma1.size(); ++j) { <<
188 G4cout << "\t" << std::setw(9) << sigma1[j <<
189 } 164 }
190 << 165
191 G4cout << "\n cross section per mass : "; 166 G4cout << "\n cross section per mass : ";
192 for (size_t j = 0; j < sigma2.size(); ++j) { << 167 for (size_t j=0; j<sigma2.size();j++) {
193 G4cout << "\t" << std::setw(9) << G4BestUn << 168 G4cout << "\t" << std::setw(13) << G4BestUnit(sigma2[j], "Surface/Mass");
194 } 169 }
195 << 170
196 // print mean free path << 171 //print mean free path
197 << 172
198 G4double lambda; 173 G4double lambda;
199 << 174
200 G4cout << "\n \n mean free path : 175 G4cout << "\n \n mean free path : ";
201 for (size_t j = 0; j < sigma1.size(); ++j) { << 176 for (size_t j=0; j<sigma1.size();j++) {
202 lambda = DBL_MAX; << 177 lambda = DBL_MAX;
203 if (sigma1[j] > 0.) lambda = 1 / sigma1[j] << 178 if (sigma1[j] > 0.) lambda = 1/sigma1[j];
204 G4cout << "\t" << std::setw(9) << G4BestUn << 179 G4cout << "\t" << std::setw(13) << G4BestUnit( lambda, "Length");
205 } << 180 }
206 << 181
207 // mean free path (g/cm2) << 182 //mean free path (g/cm2)
208 G4cout << "\n (g/cm2) : "; << 183 G4cout << "\n (g/cm2) : ";
209 for (size_t j = 0; j < sigma2.size(); ++j) { << 184 for (size_t j=0; j<sigma2.size();j++) {
210 lambda = DBL_MAX; << 185 lambda = DBL_MAX;
211 if (sigma2[j] > 0.) lambda = 1 / sigma2[j] << 186 if (sigma2[j] > 0.) lambda = 1/sigma2[j];
212 G4cout << "\t" << std::setw(9) << G4BestUn << 187 G4cout << "\t" << std::setw(13) << G4BestUnit( lambda, "Mass/Surface");
213 } 188 }
214 G4cout << G4endl; 189 G4cout << G4endl;
215 << 190
216 if (charge == 0.) { 191 if (charge == 0.) {
217 G4cout.precision(prec); 192 G4cout.precision(prec);
218 G4cout << "\n----------------------------- << 193 G4cout << "\n-------------------------------------------------------------\n"
>> 194 << G4endl;
219 return; 195 return;
220 } 196 }
221 << 197
222 // get stopping power << 198 //get stopping power
223 std::vector<G4double> dedx1; 199 std::vector<G4double> dedx1;
224 std::vector<G4double> dedx2; << 200 std::vector<G4double> dedx2;
225 G4double dedx, dedxtot = 0.; 201 G4double dedx, dedxtot = 0.;
226 size_t nproc = emName.size(); <<
227 202
228 for (size_t j = 0; j < nproc; ++j) { << 203 for (size_t j=0; j<emName.size();j++) {
229 dedx = emCal.ComputeDEDX(energy, particle, << 204 dedx = emCal.ComputeDEDX(energy,particle,emName[j],material,enerCut[j]);
230 dedxtot += dedx; <<
231 dedx1.push_back(dedx); 205 dedx1.push_back(dedx);
232 dedx2.push_back(dedx / density); << 206 dedx2.push_back(dedx/density);
233 } 207 }
>> 208 dedxtot = emCal.GetDEDX(energy,particle,material);
234 dedx1.push_back(dedxtot); 209 dedx1.push_back(dedxtot);
235 dedx2.push_back(dedxtot / density); << 210 dedx2.push_back(dedxtot/density);
236 << 211
237 // print stopping power << 212 //print stopping power
238 G4cout << "\n \n restricted dE/dx : 213 G4cout << "\n \n restricted dE/dx : ";
239 for (size_t j = 0; j <= nproc; ++j) { << 214 for (size_t j=0; j<sigma1.size();j++) {
240 G4cout << "\t" << std::setw(9) << G4BestUn << 215 G4cout << "\t" << std::setw(13) << G4BestUnit(dedx1[j],"Energy/Length");
241 } <<
242 <<
243 G4cout << "\n (MeV/g/cm2) : "; <<
244 for (size_t j = 0; j <= nproc; ++j) { <<
245 G4cout << "\t" << std::setw(9) << G4BestUn <<
246 } <<
247 dedxtot = 0.; <<
248 <<
249 for (size_t j = 0; j < nproc; ++j) { <<
250 dedx = emCal.ComputeDEDX(energy, particle, <<
251 dedxtot += dedx; <<
252 dedx1[j] = dedx; <<
253 dedx2[j] = dedx / density; <<
254 } <<
255 dedx1[nproc] = dedxtot; <<
256 dedx2[nproc] = dedxtot / density; <<
257 <<
258 // print stopping power <<
259 G4cout << "\n \n unrestricted dE/dx : <<
260 for (size_t j = 0; j <= nproc; ++j) { <<
261 G4cout << "\t" << std::setw(9) << G4BestUn <<
262 } 216 }
263 << 217
264 G4cout << "\n (MeV/g/cm2) : "; 218 G4cout << "\n (MeV/g/cm2) : ";
265 for (size_t j = 0; j <= nproc; ++j) { << 219 for (size_t j=0; j<sigma2.size();j++) {
266 G4cout << "\t" << std::setw(9) << G4BestUn << 220 G4cout << "\t" << std::setw(13) << G4BestUnit(dedx2[j],"Energy*Surface/Mass");
267 } 221 }
268 << 222
269 // get range from restricted dedx << 223 //get range from restricted dedx
270 G4double range1 = emCal.GetRangeFromRestrict << 224 G4double range1 = emCal.GetRangeFromRestricteDEDX(energy,particle,material);
271 G4double range2 = range1 * density; << 225 G4double range2 = range1*density;
272 << 226
273 // print range << 227 //get range from full dedx
274 G4cout << "\n \n range from restrict dE/dx: << 228 G4double Range1 = emCal.GetCSDARange(energy,particle,material);
275 << "\t" << std::setw(9) << G4BestUnit << 229 G4double Range2 = Range1*density;
276 << G4BestUnit(range2, "Mass/Surface") << 230
277 << 231 //print range
278 // get range from full dedx << 232 G4cout << "\n \n range from restrict dE/dx: "
279 G4double EmaxTable = G4EmParameters::Instanc << 233 << "\t" << std::setw(8) << G4BestUnit(range1,"Length")
280 if (energy < EmaxTable) { << 234 << " (" << std::setw(8) << G4BestUnit(range2,"Mass/Surface") << ")";
281 G4double Range1 = emCal.GetCSDARange(energ << 235
282 G4double Range2 = Range1 * density; << 236 G4cout << "\n range from full dE/dx : "
283 << 237 << "\t" << std::setw(8) << G4BestUnit(Range1,"Length")
284 G4cout << "\n range from full dE/dx : << 238 << " (" << std::setw(8) << G4BestUnit(Range2,"Mass/Surface") << ")";
285 << "\t" << std::setw(9) << G4BestUn << 239
286 << G4BestUnit(Range2, "Mass/Surface << 240 //get transport mean free path (for multiple scattering)
287 } << 241 G4double MSmfp1 = emCal.GetMeanFreePath(energy,particle,"msc",material);
288 << 242 G4double MSmfp2 = MSmfp1*density;
289 // get transport mean free path (for multipl << 243
290 G4double MSmfp1 = emCal.GetMeanFreePath(ener << 244 //print transport mean free path
291 G4double MSmfp2 = MSmfp1 * density; << 245 G4cout << "\n \n transport mean free path : "
292 << 246 << "\t" << std::setw(8) << G4BestUnit(MSmfp1,"Length")
293 // print transport mean free path << 247 << " (" << std::setw(8) << G4BestUnit(MSmfp2,"Mass/Surface") << ")";
294 G4cout << "\n \n transport mean free path : <<
295 << "\t" << std::setw(9) << G4BestUnit <<
296 << G4BestUnit(MSmfp2, "Mass/Surface") <<
297 248
298 if (particle == G4Electron::Electron()) Crit 249 if (particle == G4Electron::Electron()) CriticalEnergy();
299 << 250
300 G4cout << "\n------------------------------- 251 G4cout << "\n-------------------------------------------------------------\n";
301 G4cout << G4endl; 252 G4cout << G4endl;
302 << 253
303 // reset default precision << 254 // reset default precision
304 G4cout.precision(prec); << 255 G4cout.precision(prec);
305 } 256 }
306 257
307 //....oooOO0OOooo........oooOO0OOooo........oo 258 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
308 259
309 void RunAction::EndOfRunAction(const G4Run*) { << 260 void RunAction::EndOfRunAction(const G4Run* )
>> 261 { }
310 262
311 //....oooOO0OOooo........oooOO0OOooo........oo 263 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
312 264
313 #include "G4ProductionCutsTable.hh" 265 #include "G4ProductionCutsTable.hh"
314 266
315 //....oooOO0OOooo........oooOO0OOooo........oo 267 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
316 268
317 void RunAction::GetCuts() 269 void RunAction::GetCuts()
318 { << 270 {
319 G4ProductionCutsTable* theCoupleTable = G4Pr << 271 G4ProductionCutsTable* theCoupleTable =
320 << 272 G4ProductionCutsTable::GetProductionCutsTable();
>> 273
321 size_t numOfCouples = theCoupleTable->GetTab 274 size_t numOfCouples = theCoupleTable->GetTableSize();
322 const G4MaterialCutsCouple* couple = 0; 275 const G4MaterialCutsCouple* couple = 0;
323 G4int index = 0; 276 G4int index = 0;
324 for (size_t i = 0; i < numOfCouples; i++) { << 277 for (size_t i=0; i<numOfCouples; i++) {
325 couple = theCoupleTable->GetMaterialCutsCo << 278 couple = theCoupleTable->GetMaterialCutsCouple(i);
326 if (couple->GetMaterial() == fDetector->Ge << 279 if (couple->GetMaterial() == detector->GetMaterial()) {index = i; break;}
327 index = i; << 280 }
328 break; << 281
329 } << 282 rangeCut[0] =
330 } << 283 (*(theCoupleTable->GetRangeCutsVector(idxG4GammaCut)))[index];
>> 284 rangeCut[1] =
>> 285 (*(theCoupleTable->GetRangeCutsVector(idxG4ElectronCut)))[index];
>> 286 rangeCut[2] =
>> 287 (*(theCoupleTable->GetRangeCutsVector(idxG4PositronCut)))[index];
>> 288
>> 289 energyCut[0] =
>> 290 (*(theCoupleTable->GetEnergyCutsVector(idxG4GammaCut)))[index];
>> 291 energyCut[1] =
>> 292 (*(theCoupleTable->GetEnergyCutsVector(idxG4ElectronCut)))[index];
>> 293 energyCut[2] =
>> 294 (*(theCoupleTable->GetEnergyCutsVector(idxG4PositronCut)))[index];
331 295
332 fRangeCut[0] = (*(theCoupleTable->GetRangeCu <<
333 fRangeCut[1] = (*(theCoupleTable->GetRangeCu <<
334 fRangeCut[2] = (*(theCoupleTable->GetRangeCu <<
335 <<
336 fEnergyCut[0] = (*(theCoupleTable->GetEnergy <<
337 fEnergyCut[1] = (*(theCoupleTable->GetEnergy <<
338 fEnergyCut[2] = (*(theCoupleTable->GetEnergy <<
339 } 296 }
340 297
341 //....oooOO0OOooo........oooOO0OOooo........oo 298 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
342 299
343 void RunAction::CriticalEnergy() 300 void RunAction::CriticalEnergy()
344 { 301 {
345 // compute e- critical energy (Rossi definit 302 // compute e- critical energy (Rossi definition) and Moliere radius.
346 // Review of Particle Physics - Eur. Phys. J 303 // Review of Particle Physics - Eur. Phys. J. C3 (1998) page 147
347 // 304 //
348 G4EmCalculator emCal; 305 G4EmCalculator emCal;
349 << 306
350 const G4Material* material = fDetector->GetM << 307 const G4Material* material = detector->GetMaterial();
351 const G4double radl = material->GetRadlen(); 308 const G4double radl = material->GetRadlen();
352 G4double ekin = 5 * MeV; << 309 G4double ekin = 5*MeV;
353 G4double deioni; 310 G4double deioni;
354 G4double err = 1., errmax = 0.001; << 311 G4double err = 1., errmax = 0.001;
355 G4int iter = 0, itermax = 10; << 312 G4int iter = 0 , itermax = 10;
356 while (err > errmax && iter < itermax) { 313 while (err > errmax && iter < itermax) {
357 iter++; << 314 iter++;
358 deioni = radl * emCal.ComputeDEDX(ekin, G4 << 315 deioni = radl*
359 err = std::abs(deioni - ekin) / ekin; << 316 emCal.ComputeDEDX(ekin,G4Electron::Electron(),"eIoni",material);
>> 317 err = std::abs(deioni - ekin)/ekin;
360 ekin = deioni; 318 ekin = deioni;
361 } 319 }
362 G4cout << "\n \n critical energy (Rossi) : << 320 G4cout << "\n \n critical energy (Rossi) : "
363 << "\t" << std::setw(8) << G4BestUnit << 321 << "\t" << std::setw(8) << G4BestUnit(ekin,"Energy");
364 << 322
365 // Pdg formula (only for single material) << 323 //Pdg formula (only for single material)
366 G4double pdga[2] = {610 * MeV, 710 * MeV}; << 324 G4double pdga[2] = { 610*MeV, 710*MeV };
367 G4double pdgb[2] = {1.24, 0.92}; << 325 G4double pdgb[2] = { 1.24, 0.92 };
368 G4double EcPdg = 0.; 326 G4double EcPdg = 0.;
369 << 327
370 if (material->GetNumberOfElements() == 1) { 328 if (material->GetNumberOfElements() == 1) {
371 G4int istat = 0; 329 G4int istat = 0;
372 if (material->GetState() == kStateGas) ist << 330 if (material->GetState() == kStateGas) istat = 1;
373 G4double Zeff = material->GetZ() + pdgb[is 331 G4double Zeff = material->GetZ() + pdgb[istat];
374 EcPdg = pdga[istat] / Zeff; << 332 EcPdg = pdga[istat]/Zeff;
375 G4cout << "\t\t\t (from Pdg formula : " << << 333 G4cout << "\t\t\t (from Pdg formula : "
376 } << 334 << std::setw(8) << G4BestUnit(EcPdg,"Energy") << ")";
377 << 335 }
378 const G4double Es = 21.2052 * MeV; << 336
379 G4double rMolier1 = Es / ekin, rMolier2 = rM << 337 const G4double Es = 21.2052*MeV;
380 G4cout << "\n Moliere radius : " << 338 G4double rMolier1 = Es/ekin, rMolier2 = rMolier1*radl;
381 << "\t" << std::setw(8) << rMolier1 < << 339 G4cout << "\n Moliere radius : "
382 << "= " << std::setw(8) << G4BestUnit << 340 << "\t" << std::setw(8) << rMolier1 << " X0 "
383 << 341 << "= " << std::setw(8) << G4BestUnit(rMolier2,"Length");
384 if (material->GetNumberOfElements() == 1) { << 342
385 G4double rMPdg = radl * Es / EcPdg; << 343 if (material->GetNumberOfElements() == 1) {
386 G4cout << "\t (from Pdg formula : " << std << 344 G4double rMPdg = radl*Es/EcPdg;
387 } << 345 G4cout << "\t (from Pdg formula : "
>> 346 << std::setw(8) << G4BestUnit(rMPdg,"Length") << ")";
>> 347 }
388 } 348 }
389 349
390 //....oooOO0OOooo........oooOO0OOooo........oo 350 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
391 351