Geant4 Cross Reference |
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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 // 26 // 27 // ------------------------------------------- 27 // ------------------------------------------------------------------- 28 // 28 // 29 // GEANT4 Class file 29 // GEANT4 Class file 30 // 30 // 31 // 31 // 32 // File name: G4eBremsstrahlung 32 // File name: G4eBremsstrahlung 33 // 33 // 34 // Author: Michel Maire 34 // Author: Michel Maire 35 // 35 // 36 // Creation date: 26.06.1996 36 // Creation date: 26.06.1996 37 // 37 // 38 // Modified by Michel Maire, Vladimir Ivanchen 38 // Modified by Michel Maire, Vladimir Ivanchenko, Andreas Schaelicke 39 // 39 // 40 // ------------------------------------------- 40 // ------------------------------------------------------------------- 41 // 41 // 42 //....oooOO0OOooo........oooOO0OOooo........oo 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 43 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 44 44 45 #include "G4eBremsstrahlung.hh" 45 #include "G4eBremsstrahlung.hh" 46 #include "G4SystemOfUnits.hh" 46 #include "G4SystemOfUnits.hh" 47 #include "G4Gamma.hh" 47 #include "G4Gamma.hh" 48 #include "G4SeltzerBergerModel.hh" 48 #include "G4SeltzerBergerModel.hh" 49 #include "G4eBremsstrahlungRelModel.hh" 49 #include "G4eBremsstrahlungRelModel.hh" 50 #include "G4UnitsTable.hh" 50 #include "G4UnitsTable.hh" 51 #include "G4LossTableManager.hh" 51 #include "G4LossTableManager.hh" 52 52 53 #include "G4ProductionCutsTable.hh" 53 #include "G4ProductionCutsTable.hh" 54 #include "G4MaterialCutsCouple.hh" 54 #include "G4MaterialCutsCouple.hh" 55 #include "G4EmParameters.hh" 55 #include "G4EmParameters.hh" 56 56 57 //....oooOO0OOooo........oooOO0OOooo........oo 57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 58 58 59 using namespace std; 59 using namespace std; 60 60 61 G4eBremsstrahlung::G4eBremsstrahlung(const G4S 61 G4eBremsstrahlung::G4eBremsstrahlung(const G4String& name): 62 G4VEnergyLossProcess(name) 62 G4VEnergyLossProcess(name) 63 { 63 { 64 SetProcessSubType(fBremsstrahlung); 64 SetProcessSubType(fBremsstrahlung); 65 SetSecondaryParticle(G4Gamma::Gamma()); 65 SetSecondaryParticle(G4Gamma::Gamma()); 66 SetIonisation(false); 66 SetIonisation(false); 67 SetCrossSectionType(fEmTwoPeaks); 67 SetCrossSectionType(fEmTwoPeaks); 68 } 68 } 69 69 70 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 71 71 72 G4eBremsstrahlung::~G4eBremsstrahlung() = defa 72 G4eBremsstrahlung::~G4eBremsstrahlung() = default; 73 73 74 //....oooOO0OOooo........oooOO0OOooo........oo 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 75 75 76 G4bool G4eBremsstrahlung::IsApplicable(const G 76 G4bool G4eBremsstrahlung::IsApplicable(const G4ParticleDefinition& p) 77 { 77 { 78 return (&p == G4Electron::Electron() || &p = 78 return (&p == G4Electron::Electron() || &p == G4Positron::Positron()); 79 } 79 } 80 80 81 //....oooOO0OOooo........oooOO0OOooo........oo 81 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 82 82 83 void 83 void 84 G4eBremsstrahlung::InitialiseEnergyLossProcess 84 G4eBremsstrahlung::InitialiseEnergyLossProcess(const G4ParticleDefinition*, 85 const G4ParticleDefinition*) 85 const G4ParticleDefinition*) 86 { 86 { 87 if(!isInitialised) { 87 if(!isInitialised) { 88 G4EmParameters* param = G4EmParameters::In 88 G4EmParameters* param = G4EmParameters::Instance(); 89 89 90 G4double emax = param->MaxKinEnergy(); 90 G4double emax = param->MaxKinEnergy(); 91 G4VEmFluctuationModel* fm = nullptr; 91 G4VEmFluctuationModel* fm = nullptr; 92 92 93 if (nullptr == EmModel(0)) { SetEmModel(ne 93 if (nullptr == EmModel(0)) { SetEmModel(new G4SeltzerBergerModel()); } 94 G4double energyLimit = std::min(EmModel(0) 94 G4double energyLimit = std::min(EmModel(0)->HighEnergyLimit(), CLHEP::GeV); 95 EmModel(0)->SetHighEnergyLimit(energyLimit 95 EmModel(0)->SetHighEnergyLimit(energyLimit); 96 EmModel(0)->SetSecondaryThreshold(param->B 96 EmModel(0)->SetSecondaryThreshold(param->BremsstrahlungTh()); >> 97 EmModel(0)->SetLPMFlag(false); 97 AddEmModel(1, EmModel(0), fm); 98 AddEmModel(1, EmModel(0), fm); 98 99 99 if(emax > energyLimit) { 100 if(emax > energyLimit) { 100 if (nullptr == EmModel(1)) { 101 if (nullptr == EmModel(1)) { 101 SetEmModel(new G4eBremsstrahlungRelModel()); 102 SetEmModel(new G4eBremsstrahlungRelModel()); 102 } 103 } 103 EmModel(1)->SetLowEnergyLimit(energyLimi 104 EmModel(1)->SetLowEnergyLimit(energyLimit); 104 EmModel(1)->SetHighEnergyLimit(emax); 105 EmModel(1)->SetHighEnergyLimit(emax); 105 EmModel(1)->SetSecondaryThreshold(param- 106 EmModel(1)->SetSecondaryThreshold(param->BremsstrahlungTh()); >> 107 EmModel(1)->SetLPMFlag(param->LPM()); 106 AddEmModel(1, EmModel(1), fm); 108 AddEmModel(1, EmModel(1), fm); 107 } 109 } 108 isInitialised = true; 110 isInitialised = true; 109 } 111 } 110 } 112 } 111 113 112 //....oooOO0OOooo........oooOO0OOooo........oo 114 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 113 115 114 void G4eBremsstrahlung::StreamProcessInfo(std: 116 void G4eBremsstrahlung::StreamProcessInfo(std::ostream& out) const 115 { 117 { 116 if(nullptr != EmModel(0)) { 118 if(nullptr != EmModel(0)) { 117 G4EmParameters* param = G4EmParameters::In 119 G4EmParameters* param = G4EmParameters::Instance(); 118 G4double eth = param->BremsstrahlungTh(); 120 G4double eth = param->BremsstrahlungTh(); 119 out << " LPM flag: " << param->LPM() 121 out << " LPM flag: " << param->LPM() << " for E > " 120 << EmModel(0)->HighEnergyLimit()/GeV << " Ge 122 << EmModel(0)->HighEnergyLimit()/GeV << " GeV"; 121 if(eth < DBL_MAX) { 123 if(eth < DBL_MAX) { 122 out << ", VertexHighEnergyTh(GeV)= " << 124 out << ", VertexHighEnergyTh(GeV)= " << eth/GeV; 123 } 125 } 124 out << G4endl; 126 out << G4endl; 125 } 127 } 126 } 128 } 127 129 128 //....oooOO0OOooo........oooOO0OOooo........oo 130 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 129 131 130 void G4eBremsstrahlung::ProcessDescription(std 132 void G4eBremsstrahlung::ProcessDescription(std::ostream& out) const 131 { 133 { 132 out << " Bremsstrahlung"; 134 out << " Bremsstrahlung"; 133 G4VEnergyLossProcess::ProcessDescription(out 135 G4VEnergyLossProcess::ProcessDescription(out); 134 } 136 } 135 137 136 //....oooOO0OOooo........oooOO0OOooo........oo 138 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 137 139