[819] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | // $Id: G4EnergyLossForExtrapolator.cc,v 1.13 2007/07/28 13:44:25 vnivanch Exp $ |
---|
| 27 | // GEANT4 tag $Name: $ |
---|
| 28 | // |
---|
| 29 | //--------------------------------------------------------------------------- |
---|
| 30 | // |
---|
| 31 | // ClassName: G4EnergyLossForExtrapolator |
---|
| 32 | // |
---|
| 33 | // Description: This class provide calculation of energy loss, fluctuation, |
---|
| 34 | // and msc angle |
---|
| 35 | // |
---|
| 36 | // Author: 09.12.04 V.Ivanchenko |
---|
| 37 | // |
---|
| 38 | // Modification: |
---|
| 39 | // 08-04-05 Rename Propogator -> Extrapolator (V.Ivanchenko) |
---|
| 40 | // 16-03-06 Add muon tables and fix bug in units (V.Ivanchenko) |
---|
| 41 | // 21-03-06 Add verbosity defined in the constructor and Initialisation |
---|
| 42 | // start only when first public method is called (V.Ivanchenko) |
---|
| 43 | // 03-05-06 Remove unused pointer G4Material* from number of methods (VI) |
---|
| 44 | // 12-05-06 SEt linLossLimit=0.001 (VI) |
---|
| 45 | // |
---|
| 46 | //---------------------------------------------------------------------------- |
---|
| 47 | // |
---|
| 48 | |
---|
| 49 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 50 | |
---|
| 51 | #include "G4EnergyLossForExtrapolator.hh" |
---|
| 52 | #include "G4PhysicsLogVector.hh" |
---|
| 53 | #include "G4ParticleDefinition.hh" |
---|
| 54 | #include "G4Material.hh" |
---|
| 55 | #include "G4MaterialCutsCouple.hh" |
---|
| 56 | #include "G4Electron.hh" |
---|
| 57 | #include "G4Positron.hh" |
---|
| 58 | #include "G4Proton.hh" |
---|
| 59 | #include "G4MuonPlus.hh" |
---|
| 60 | #include "G4MuonMinus.hh" |
---|
| 61 | #include "G4ParticleTable.hh" |
---|
| 62 | #include "G4LossTableBuilder.hh" |
---|
| 63 | #include "G4MollerBhabhaModel.hh" |
---|
| 64 | #include "G4BetheBlochModel.hh" |
---|
| 65 | #include "G4eBremsstrahlungModel.hh" |
---|
| 66 | #include "G4MuPairProductionModel.hh" |
---|
| 67 | #include "G4MuBremsstrahlungModel.hh" |
---|
| 68 | #include "G4ProductionCuts.hh" |
---|
| 69 | |
---|
| 70 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 71 | |
---|
| 72 | G4EnergyLossForExtrapolator::G4EnergyLossForExtrapolator(G4int verb) |
---|
| 73 | :maxEnergyTransfer(DBL_MAX),verbose(verb),isInitialised(false) |
---|
| 74 | {} |
---|
| 75 | |
---|
| 76 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 77 | |
---|
| 78 | G4EnergyLossForExtrapolator:: ~G4EnergyLossForExtrapolator() |
---|
| 79 | { |
---|
| 80 | for(G4int i=0; i<nmat; i++) {delete couples[i];} |
---|
| 81 | delete dedxElectron; |
---|
| 82 | delete dedxPositron; |
---|
| 83 | delete dedxProton; |
---|
| 84 | delete rangeElectron; |
---|
| 85 | delete rangePositron; |
---|
| 86 | delete rangeProton; |
---|
| 87 | delete invRangeElectron; |
---|
| 88 | delete invRangePositron; |
---|
| 89 | delete invRangeProton; |
---|
| 90 | delete cuts; |
---|
| 91 | } |
---|
| 92 | |
---|
| 93 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 94 | |
---|
| 95 | G4double G4EnergyLossForExtrapolator::EnergyAfterStep(G4double kinEnergy, |
---|
| 96 | G4double stepLength, |
---|
| 97 | const G4Material* mat, |
---|
| 98 | const G4ParticleDefinition* part) |
---|
| 99 | { |
---|
| 100 | if(!isInitialised) Initialisation(); |
---|
| 101 | G4double kinEnergyFinal = kinEnergy; |
---|
| 102 | if(mat && part) { |
---|
| 103 | G4double step = ComputeTrueStep(mat,part,kinEnergy,stepLength); |
---|
| 104 | G4double r = ComputeRange(kinEnergy,part); |
---|
| 105 | if(r <= step) { |
---|
| 106 | kinEnergyFinal = 0.0; |
---|
| 107 | } else if(step < linLossLimit*r) { |
---|
| 108 | kinEnergyFinal -= step*ComputeDEDX(kinEnergy,part); |
---|
| 109 | } else { |
---|
| 110 | G4double r1 = r - step; |
---|
| 111 | kinEnergyFinal = ComputeEnergy(r1,part); |
---|
| 112 | } |
---|
| 113 | } |
---|
| 114 | return kinEnergyFinal; |
---|
| 115 | } |
---|
| 116 | |
---|
| 117 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 118 | |
---|
| 119 | G4double G4EnergyLossForExtrapolator::EnergyBeforeStep(G4double kinEnergy, |
---|
| 120 | G4double stepLength, |
---|
| 121 | const G4Material* mat, |
---|
| 122 | const G4ParticleDefinition* part) |
---|
| 123 | { |
---|
| 124 | if(!isInitialised) Initialisation(); |
---|
| 125 | G4double kinEnergyFinal = kinEnergy; |
---|
| 126 | |
---|
| 127 | if(mat && part) { |
---|
| 128 | G4double step = ComputeTrueStep(mat,part,kinEnergy,stepLength); |
---|
| 129 | G4double r = ComputeRange(kinEnergy,part); |
---|
| 130 | |
---|
| 131 | if(step < linLossLimit*r) { |
---|
| 132 | kinEnergyFinal += step*ComputeDEDX(kinEnergy,part); |
---|
| 133 | } else { |
---|
| 134 | G4double r1 = r + step; |
---|
| 135 | kinEnergyFinal = ComputeEnergy(r1,part); |
---|
| 136 | } |
---|
| 137 | } |
---|
| 138 | return kinEnergyFinal; |
---|
| 139 | } |
---|
| 140 | |
---|
| 141 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 142 | |
---|
| 143 | G4double G4EnergyLossForExtrapolator::ComputeTrueStep(const G4Material* mat, |
---|
| 144 | const G4ParticleDefinition* part, |
---|
| 145 | G4double kinEnergy, G4double stepLength) |
---|
| 146 | { |
---|
| 147 | if(!isInitialised) Initialisation(); |
---|
| 148 | G4bool flag = false; |
---|
| 149 | if(part != currentParticle) { |
---|
| 150 | flag = true; |
---|
| 151 | currentParticle = part; |
---|
| 152 | mass = part->GetPDGMass(); |
---|
| 153 | G4double q = part->GetPDGCharge()/eplus; |
---|
| 154 | charge2 = q*q; |
---|
| 155 | } |
---|
| 156 | if(mat != currentMaterial) { |
---|
| 157 | G4int i = mat->GetIndex(); |
---|
| 158 | if(i >= nmat) { |
---|
| 159 | G4cout << "### G4EnergyLossForExtrapolator WARNING:index i= " |
---|
| 160 | << i << " is out of table - NO extrapolation" << G4endl; |
---|
| 161 | } else { |
---|
| 162 | flag = true; |
---|
| 163 | currentMaterial = mat; |
---|
| 164 | electronDensity = mat->GetElectronDensity(); |
---|
| 165 | radLength = mat->GetRadlen(); |
---|
| 166 | index = i; |
---|
| 167 | } |
---|
| 168 | } |
---|
| 169 | if(flag || kinEnergy != kineticEnergy) { |
---|
| 170 | kineticEnergy = kinEnergy; |
---|
| 171 | G4double tau = kinEnergy/mass; |
---|
| 172 | |
---|
| 173 | gam = tau + 1.0; |
---|
| 174 | bg2 = tau * (tau + 2.0); |
---|
| 175 | beta2 = bg2/(gam*gam); |
---|
| 176 | tmax = kinEnergy; |
---|
| 177 | if(part == electron) tmax *= 0.5; |
---|
| 178 | else if(part != positron) { |
---|
| 179 | G4double r = electron_mass_c2/mass; |
---|
| 180 | tmax = 2.0*bg2*electron_mass_c2/(1.0 + 2.0*gam*r + r*r); |
---|
| 181 | } |
---|
| 182 | if(tmax > maxEnergyTransfer) tmax = maxEnergyTransfer; |
---|
| 183 | } |
---|
| 184 | G4double theta = ComputeScatteringAngle(stepLength); |
---|
| 185 | return stepLength*std::sqrt(1.0 + 0.625*theta*theta); |
---|
| 186 | } |
---|
| 187 | |
---|
| 188 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 189 | |
---|
| 190 | void G4EnergyLossForExtrapolator::Initialisation() |
---|
| 191 | { |
---|
| 192 | isInitialised = true; |
---|
| 193 | if(verbose>1) |
---|
| 194 | G4cout << "### G4EnergyLossForExtrapolator::Initialisation" << G4endl; |
---|
| 195 | currentParticle = 0; |
---|
| 196 | currentMaterial = 0; |
---|
| 197 | kineticEnergy = 0.0; |
---|
| 198 | electron = G4Electron::Electron(); |
---|
| 199 | positron = G4Positron::Positron(); |
---|
| 200 | proton = G4Proton::Proton(); |
---|
| 201 | muonPlus = G4MuonPlus::MuonPlus(); |
---|
| 202 | muonMinus= G4MuonMinus::MuonMinus(); |
---|
| 203 | |
---|
| 204 | currentParticleName = ""; |
---|
| 205 | |
---|
| 206 | linLossLimit = 0.001; |
---|
| 207 | emin = 1.*MeV; |
---|
| 208 | emax = 10.*TeV; |
---|
| 209 | nbins = 70; |
---|
| 210 | |
---|
| 211 | nmat = G4Material::GetNumberOfMaterials(); |
---|
| 212 | const G4MaterialTable* mtable = G4Material::GetMaterialTable(); |
---|
| 213 | cuts = new G4ProductionCuts(); |
---|
| 214 | |
---|
| 215 | const G4MaterialCutsCouple* couple; |
---|
| 216 | for(G4int i=0; i<nmat; i++) { |
---|
| 217 | couple = new G4MaterialCutsCouple((*mtable)[i],cuts); |
---|
| 218 | couples.push_back(couple); |
---|
| 219 | } |
---|
| 220 | |
---|
| 221 | dedxElectron = PrepareTable(); |
---|
| 222 | dedxPositron = PrepareTable(); |
---|
| 223 | dedxMuon = PrepareTable(); |
---|
| 224 | dedxProton = PrepareTable(); |
---|
| 225 | rangeElectron = PrepareTable(); |
---|
| 226 | rangePositron = PrepareTable(); |
---|
| 227 | rangeMuon = PrepareTable(); |
---|
| 228 | rangeProton = PrepareTable(); |
---|
| 229 | invRangeElectron = PrepareTable(); |
---|
| 230 | invRangePositron = PrepareTable(); |
---|
| 231 | invRangeMuon = PrepareTable(); |
---|
| 232 | invRangeProton = PrepareTable(); |
---|
| 233 | |
---|
| 234 | G4LossTableBuilder builder; |
---|
| 235 | |
---|
| 236 | if(verbose>1) |
---|
| 237 | G4cout << "### G4EnergyLossForExtrapolator Builds electron tables" << G4endl; |
---|
| 238 | |
---|
| 239 | ComputeElectronDEDX(electron, dedxElectron); |
---|
| 240 | builder.BuildRangeTable(dedxElectron,rangeElectron); |
---|
| 241 | builder.BuildInverseRangeTable(rangeElectron, invRangeElectron); |
---|
| 242 | |
---|
| 243 | if(verbose>1) |
---|
| 244 | G4cout << "### G4EnergyLossForExtrapolator Builds positron tables" << G4endl; |
---|
| 245 | |
---|
| 246 | ComputeElectronDEDX(positron, dedxPositron); |
---|
| 247 | builder.BuildRangeTable(dedxPositron, rangePositron); |
---|
| 248 | builder.BuildInverseRangeTable(rangePositron, invRangePositron); |
---|
| 249 | |
---|
| 250 | if(verbose>1) |
---|
| 251 | G4cout << "### G4EnergyLossForExtrapolator Builds muon tables" << G4endl; |
---|
| 252 | |
---|
| 253 | ComputeMuonDEDX(muonPlus, dedxMuon); |
---|
| 254 | builder.BuildRangeTable(dedxMuon, rangeMuon); |
---|
| 255 | builder.BuildInverseRangeTable(rangeMuon, invRangeMuon); |
---|
| 256 | |
---|
| 257 | if(verbose>1) |
---|
| 258 | G4cout << "### G4EnergyLossForExtrapolator Builds proton tables" << G4endl; |
---|
| 259 | |
---|
| 260 | ComputeProtonDEDX(proton, dedxProton); |
---|
| 261 | builder.BuildRangeTable(dedxProton, rangeProton); |
---|
| 262 | builder.BuildInverseRangeTable(rangeProton, invRangeProton); |
---|
| 263 | |
---|
| 264 | } |
---|
| 265 | |
---|
| 266 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 267 | |
---|
| 268 | G4PhysicsTable* G4EnergyLossForExtrapolator::PrepareTable() |
---|
| 269 | { |
---|
| 270 | G4PhysicsTable* table = new G4PhysicsTable(); |
---|
| 271 | |
---|
| 272 | for(G4int i=0; i<nmat; i++) { |
---|
| 273 | |
---|
| 274 | G4PhysicsVector* v = new G4PhysicsLogVector(emin, emax, nbins); |
---|
| 275 | table->push_back(v); |
---|
| 276 | } |
---|
| 277 | return table; |
---|
| 278 | } |
---|
| 279 | |
---|
| 280 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 281 | |
---|
| 282 | const G4ParticleDefinition* G4EnergyLossForExtrapolator::FindParticle(const G4String& name) |
---|
| 283 | { |
---|
| 284 | const G4ParticleDefinition* p = 0; |
---|
| 285 | if(name != currentParticleName) { |
---|
| 286 | p = G4ParticleTable::GetParticleTable()->FindParticle(name); |
---|
| 287 | if(!p) { |
---|
| 288 | G4cout << "### G4EnergyLossForExtrapolator WARNING:FindParticle fails to find " |
---|
| 289 | << name << G4endl; |
---|
| 290 | } |
---|
| 291 | } else { |
---|
| 292 | p = currentParticle; |
---|
| 293 | } |
---|
| 294 | return p; |
---|
| 295 | } |
---|
| 296 | |
---|
| 297 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 298 | |
---|
| 299 | G4double G4EnergyLossForExtrapolator::ComputeDEDX(G4double kinEnergy, |
---|
| 300 | const G4ParticleDefinition* part) |
---|
| 301 | { |
---|
| 302 | G4double x = 0.0; |
---|
| 303 | if(part == electron) x = ComputeValue(kinEnergy, dedxElectron); |
---|
| 304 | else if(part == positron) x = ComputeValue(kinEnergy, dedxPositron); |
---|
| 305 | else if(part == muonPlus || part == muonMinus) { |
---|
| 306 | x = ComputeValue(kinEnergy, dedxMuon); |
---|
| 307 | } else { |
---|
| 308 | G4double e = kinEnergy*proton_mass_c2/mass; |
---|
| 309 | x = ComputeValue(e, dedxProton)*charge2; |
---|
| 310 | } |
---|
| 311 | return x; |
---|
| 312 | } |
---|
| 313 | |
---|
| 314 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 315 | |
---|
| 316 | G4double G4EnergyLossForExtrapolator::ComputeRange(G4double kinEnergy, |
---|
| 317 | const G4ParticleDefinition* part) |
---|
| 318 | { |
---|
| 319 | G4double x = 0.0; |
---|
| 320 | if(part == electron) x = ComputeValue(kinEnergy, rangeElectron); |
---|
| 321 | else if(part == positron) x = ComputeValue(kinEnergy, rangePositron); |
---|
| 322 | else if(part == muonPlus || part == muonMinus) |
---|
| 323 | x = ComputeValue(kinEnergy, rangeMuon); |
---|
| 324 | else { |
---|
| 325 | G4double massratio = proton_mass_c2/mass; |
---|
| 326 | G4double e = kinEnergy*massratio; |
---|
| 327 | x = ComputeValue(e, rangeProton)/(charge2*massratio); |
---|
| 328 | } |
---|
| 329 | return x; |
---|
| 330 | } |
---|
| 331 | |
---|
| 332 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 333 | |
---|
| 334 | G4double G4EnergyLossForExtrapolator::ComputeEnergy(G4double range, |
---|
| 335 | const G4ParticleDefinition* part) |
---|
| 336 | { |
---|
| 337 | G4double x = 0.0; |
---|
| 338 | if(part == electron) x = ComputeValue(range, invRangeElectron); |
---|
| 339 | else if(part == positron) x = ComputeValue(range, invRangePositron); |
---|
| 340 | else if(part == muonPlus || part == muonMinus) |
---|
| 341 | x = ComputeValue(range, invRangeMuon); |
---|
| 342 | else { |
---|
| 343 | G4double massratio = proton_mass_c2/mass; |
---|
| 344 | G4double r = range*massratio*charge2; |
---|
| 345 | x = ComputeValue(r, invRangeProton)/massratio; |
---|
| 346 | } |
---|
| 347 | return x; |
---|
| 348 | } |
---|
| 349 | |
---|
| 350 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 351 | |
---|
| 352 | void G4EnergyLossForExtrapolator::ComputeElectronDEDX(const G4ParticleDefinition* part, |
---|
| 353 | G4PhysicsTable* table) |
---|
| 354 | { |
---|
| 355 | G4DataVector v; |
---|
| 356 | G4MollerBhabhaModel* ioni = new G4MollerBhabhaModel(); |
---|
| 357 | G4eBremsstrahlungModel* brem = new G4eBremsstrahlungModel(); |
---|
| 358 | ioni->Initialise(part, v); |
---|
| 359 | brem->Initialise(part, v); |
---|
| 360 | |
---|
| 361 | mass = electron_mass_c2; |
---|
| 362 | charge2 = 1.0; |
---|
| 363 | currentParticle = part; |
---|
| 364 | |
---|
| 365 | const G4MaterialTable* mtable = G4Material::GetMaterialTable(); |
---|
| 366 | if(0<verbose) { |
---|
| 367 | G4cout << "G4EnergyLossForExtrapolator::ComputeElectronDEDX for " |
---|
| 368 | << part->GetParticleName() |
---|
| 369 | << G4endl; |
---|
| 370 | } |
---|
| 371 | for(G4int i=0; i<nmat; i++) { |
---|
| 372 | |
---|
| 373 | const G4Material* mat = (*mtable)[i]; |
---|
| 374 | if(1<verbose) |
---|
| 375 | G4cout << "i= " << i << " mat= " << mat->GetName() << G4endl; |
---|
| 376 | const G4MaterialCutsCouple* couple = couples[i]; |
---|
| 377 | G4PhysicsVector* aVector = (*table)[i]; |
---|
| 378 | |
---|
| 379 | for(G4int j=0; j<nbins; j++) { |
---|
| 380 | |
---|
| 381 | G4double e = aVector->GetLowEdgeEnergy(j); |
---|
| 382 | G4double dedx = ioni->ComputeDEDX(couple,part,e,e) + brem->ComputeDEDX(couple,part,e,e); |
---|
| 383 | if(1<verbose) { |
---|
| 384 | G4cout << "j= " << j |
---|
| 385 | << " e(MeV)= " << e/MeV |
---|
| 386 | << " dedx(Mev/cm)= " << dedx*cm/MeV |
---|
| 387 | << " dedx(Mev.cm2/g)= " << dedx/((MeV*mat->GetDensity())/(g/cm2)) << G4endl; |
---|
| 388 | } |
---|
| 389 | aVector->PutValue(j,dedx); |
---|
| 390 | } |
---|
| 391 | } |
---|
| 392 | delete ioni; |
---|
| 393 | delete brem; |
---|
| 394 | } |
---|
| 395 | |
---|
| 396 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 397 | |
---|
| 398 | void G4EnergyLossForExtrapolator::ComputeMuonDEDX(const G4ParticleDefinition* part, |
---|
| 399 | G4PhysicsTable* table) |
---|
| 400 | { |
---|
| 401 | G4DataVector v; |
---|
| 402 | G4BetheBlochModel* ioni = new G4BetheBlochModel(); |
---|
| 403 | G4MuPairProductionModel* pair = new G4MuPairProductionModel(); |
---|
| 404 | G4MuBremsstrahlungModel* brem = new G4MuBremsstrahlungModel(); |
---|
| 405 | ioni->Initialise(part, v); |
---|
| 406 | pair->Initialise(part, v); |
---|
| 407 | brem->Initialise(part, v); |
---|
| 408 | |
---|
| 409 | mass = part->GetPDGMass(); |
---|
| 410 | charge2 = 1.0; |
---|
| 411 | currentParticle = part; |
---|
| 412 | |
---|
| 413 | const G4MaterialTable* mtable = G4Material::GetMaterialTable(); |
---|
| 414 | |
---|
| 415 | if(0<verbose) { |
---|
| 416 | G4cout << "G4EnergyLossForExtrapolator::ComputeMuonDEDX for " << part->GetParticleName() |
---|
| 417 | << G4endl; |
---|
| 418 | } |
---|
| 419 | |
---|
| 420 | for(G4int i=0; i<nmat; i++) { |
---|
| 421 | |
---|
| 422 | const G4Material* mat = (*mtable)[i]; |
---|
| 423 | if(1<verbose) |
---|
| 424 | G4cout << "i= " << i << " mat= " << mat->GetName() << G4endl; |
---|
| 425 | const G4MaterialCutsCouple* couple = couples[i]; |
---|
| 426 | G4PhysicsVector* aVector = (*table)[i]; |
---|
| 427 | for(G4int j=0; j<nbins; j++) { |
---|
| 428 | |
---|
| 429 | G4double e = aVector->GetLowEdgeEnergy(j); |
---|
| 430 | G4double dedx = ioni->ComputeDEDX(couple,part,e,e) + |
---|
| 431 | pair->ComputeDEDX(couple,part,e,e) + |
---|
| 432 | brem->ComputeDEDX(couple,part,e,e); |
---|
| 433 | aVector->PutValue(j,dedx); |
---|
| 434 | if(1<verbose) { |
---|
| 435 | G4cout << "j= " << j |
---|
| 436 | << " e(MeV)= " << e/MeV |
---|
| 437 | << " dedx(Mev/cm)= " << dedx*cm/MeV |
---|
| 438 | << " dedx(Mev/(g/cm2)= " << dedx/((MeV*mat->GetDensity())/(g/cm2)) << G4endl; |
---|
| 439 | } |
---|
| 440 | } |
---|
| 441 | } |
---|
| 442 | delete ioni; |
---|
| 443 | } |
---|
| 444 | |
---|
| 445 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 446 | |
---|
| 447 | void G4EnergyLossForExtrapolator::ComputeProtonDEDX(const G4ParticleDefinition* part, |
---|
| 448 | G4PhysicsTable* table) |
---|
| 449 | { |
---|
| 450 | G4DataVector v; |
---|
| 451 | G4BetheBlochModel* ioni = new G4BetheBlochModel(); |
---|
| 452 | ioni->Initialise(part, v); |
---|
| 453 | |
---|
| 454 | mass = part->GetPDGMass(); |
---|
| 455 | charge2 = 1.0; |
---|
| 456 | currentParticle = part; |
---|
| 457 | |
---|
| 458 | const G4MaterialTable* mtable = G4Material::GetMaterialTable(); |
---|
| 459 | |
---|
| 460 | if(0<verbose) { |
---|
| 461 | G4cout << "G4EnergyLossForExtrapolator::ComputeProtonDEDX for " << part->GetParticleName() |
---|
| 462 | << G4endl; |
---|
| 463 | } |
---|
| 464 | |
---|
| 465 | for(G4int i=0; i<nmat; i++) { |
---|
| 466 | |
---|
| 467 | const G4Material* mat = (*mtable)[i]; |
---|
| 468 | if(1<verbose) |
---|
| 469 | G4cout << "i= " << i << " mat= " << mat->GetName() << G4endl; |
---|
| 470 | const G4MaterialCutsCouple* couple = couples[i]; |
---|
| 471 | G4PhysicsVector* aVector = (*table)[i]; |
---|
| 472 | for(G4int j=0; j<nbins; j++) { |
---|
| 473 | |
---|
| 474 | G4double e = aVector->GetLowEdgeEnergy(j); |
---|
| 475 | G4double dedx = ioni->ComputeDEDX(couple,part,e,e); |
---|
| 476 | aVector->PutValue(j,dedx); |
---|
| 477 | if(1<verbose) { |
---|
| 478 | G4cout << "j= " << j |
---|
| 479 | << " e(MeV)= " << e/MeV |
---|
| 480 | << " dedx(Mev/cm)= " << dedx*cm/MeV |
---|
| 481 | << " dedx(Mev.cm2/g)= " << dedx/((mat->GetDensity())/(g/cm2)) << G4endl; |
---|
| 482 | } |
---|
| 483 | } |
---|
| 484 | } |
---|
| 485 | delete ioni; |
---|
| 486 | } |
---|
| 487 | |
---|
| 488 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 489 | |
---|