Geant4 Cross Reference |
1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer 3 // * License and Disclaimer * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. 9 // * include a list of copyright holders. * 10 // * 10 // * * 11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file 15 // * use. 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 // $Id: G4hhIonisation.cc,v 1.6 2007/05/22 17:37:30 vnivanch Exp $ >> 27 // GEANT4 tag $Name: geant4-09-01-patch-03 $ 26 // 28 // 27 // ------------------------------------------- 29 // ------------------------------------------------------------------- 28 // 30 // 29 // GEANT4 Class file 31 // GEANT4 Class file 30 // 32 // 31 // 33 // 32 // File name: G4hhIonisation 34 // File name: G4hhIonisation 33 // 35 // 34 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko 35 // 37 // 36 // Creation date: 30.09.2005 38 // Creation date: 30.09.2005 37 // 39 // 38 // Modifications: 40 // Modifications: 39 // 10-01-06 SetStepLimits -> SetStepFunction ( 41 // 10-01-06 SetStepLimits -> SetStepFunction (V.Ivantchenko) 40 // 27-10-06 Add maxKinEnergy (V.Ivantchenko) 42 // 27-10-06 Add maxKinEnergy (V.Ivantchenko) 41 // 43 // 42 // 44 // 43 // ------------------------------------------- 45 // ------------------------------------------------------------------- 44 // 46 // 45 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 46 //....oooOO0OOooo........oooOO0OOooo........oo 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 47 49 48 #include "G4hhIonisation.hh" 50 #include "G4hhIonisation.hh" 49 #include "G4PhysicalConstants.hh" << 50 #include "G4SystemOfUnits.hh" << 51 #include "G4BraggNoDeltaModel.hh" 51 #include "G4BraggNoDeltaModel.hh" 52 #include "G4BetheBlochNoDeltaModel.hh" 52 #include "G4BetheBlochNoDeltaModel.hh" 53 #include "G4ICRU73NoDeltaModel.hh" << 54 #include "G4UniversalFluctuation.hh" 53 #include "G4UniversalFluctuation.hh" 55 #include "G4IonFluctuations.hh" << 54 #include "G4BohrFluctuations.hh" 56 #include "G4UnitsTable.hh" 55 #include "G4UnitsTable.hh" 57 #include "G4Electron.hh" 56 #include "G4Electron.hh" 58 #include "G4EmParameters.hh" << 59 57 60 //....oooOO0OOooo........oooOO0OOooo........oo 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 61 59 62 G4hhIonisation::G4hhIonisation(const G4String& 60 G4hhIonisation::G4hhIonisation(const G4String& name) 63 : G4VEnergyLossProcess(name) << 61 : G4VEnergyLossProcess(name), >> 62 theParticle(0), >> 63 theBaseParticle(0), >> 64 isInitialised(false) 64 { 65 { >> 66 minKinEnergy = 0.1*keV; >> 67 maxKinEnergy = 100.*TeV; >> 68 SetDEDXBinning(120); >> 69 SetMinKinEnergy(minKinEnergy); >> 70 SetMaxKinEnergy(maxKinEnergy); >> 71 SetStepFunction(0.1, 0.1*mm); 65 SetVerboseLevel(1); 72 SetVerboseLevel(1); 66 SetProcessSubType(fIonisation); << 73 mass = 0.0; 67 SetSecondaryParticle(G4Electron::Electron()) << 74 ratio = 0.0; 68 } 75 } 69 76 70 //....oooOO0OOooo........oooOO0OOooo........oo 77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 71 78 72 G4hhIonisation::~G4hhIonisation() 79 G4hhIonisation::~G4hhIonisation() 73 {} 80 {} 74 81 75 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 76 83 77 G4bool G4hhIonisation::IsApplicable(const G4Pa << 84 void G4hhIonisation::InitialiseEnergyLossProcess(const G4ParticleDefinition* part, >> 85 const G4ParticleDefinition* bpart) 78 { 86 { 79 return (p.GetPDGCharge() != 0.0); << 87 if(isInitialised) return; 80 } << 81 << 82 //....oooOO0OOooo........oooOO0OOooo........oo << 83 << 84 G4double G4hhIonisation::MinPrimaryEnergy(cons << 85 const G4Material*, << 86 G4double cut) << 87 { << 88 G4double x = 0.5*cut/electron_mass_c2; << 89 G4double y = electron_mass_c2/mass; << 90 G4double gam = x*y + std::sqrt((1. + x)*(1. << 91 return mass*(gam - 1.0); << 92 } << 93 << 94 //....oooOO0OOooo........oooOO0OOooo........oo << 95 << 96 void G4hhIonisation::InitialiseEnergyLossProce << 97 const G4ParticleDefinition* part, << 98 const G4ParticleDefinition* bpart) << 99 { << 100 if(isInitialised) { return; } << 101 88 102 theParticle = part; 89 theParticle = part; 103 if(nullptr != bpart) { << 90 if(bpart) G4cout << "G4hhIonisation::InitialiseEnergyLossProcess WARNING: no " 104 G4cout << "G4hhIonisation::InitialiseEnerg << 91 << "base particle should be defined for the process " 105 << "base particle should be defined for t << 92 << GetProcessName() << G4endl; 106 << GetProcessName() << G4endl; << 93 107 } << 94 SetBaseParticle(0); >> 95 SetSecondaryParticle(G4Electron::Electron()); 108 mass = theParticle->GetPDGMass(); 96 mass = theParticle->GetPDGMass(); 109 ratio = electron_mass_c2/mass; 97 ratio = electron_mass_c2/mass; 110 G4double eth = 2*CLHEP::MeV*mass/proton_mass << 98 eth = 2.0*MeV*mass/proton_mass_c2; 111 flucModel = new G4IonFluctuations(); << 99 flucModel = new G4BohrFluctuations(); >> 100 >> 101 G4int nm = 1; 112 102 113 G4EmParameters* param = G4EmParameters::Inst << 103 if(eth > minKinEnergy) { 114 G4double emin = std::min(param->MinKinEnergy << 104 G4VEmModel* em = new G4BraggNoDeltaModel(); 115 G4double emax = std::max(param->MaxKinEnergy << 105 em->SetLowEnergyLimit(minKinEnergy); 116 << 106 em->SetHighEnergyLimit(eth); 117 SetMinKinEnergy(emin); << 107 AddEmModel(nm, em, flucModel); 118 SetMaxKinEnergy(emax); << 108 nm++; 119 G4int bin = G4lrint(param->NumberOfBinsPerDe << 120 SetDEDXBinning(bin); << 121 << 122 G4VEmModel* em = EmModel(0); << 123 if (nullptr == em) { << 124 if(part->GetPDGCharge() > 0.0) { em = new << 125 else { em = new G4ICRU73NoDeltaModel(); } << 126 } 109 } 127 em->SetLowEnergyLimit(emin); << 128 em->SetHighEnergyLimit(eth); << 129 AddEmModel(1, em, flucModel); << 130 << 131 em = EmModel(1); << 132 if(nullptr == em) { em = new G4BetheBlochNoD << 133 em->SetLowEnergyLimit(eth); << 134 em->SetHighEnergyLimit(emax); << 135 AddEmModel(1, em, flucModel); << 136 110 137 if(verboseLevel>1) { << 111 if(eth < maxKinEnergy) { 138 G4cout << "G4hhIonisation is initialised" << 112 G4VEmModel* em1 = new G4BetheBlochNoDeltaModel(); >> 113 em1->SetLowEnergyLimit(std::max(eth,minKinEnergy)); >> 114 em1->SetHighEnergyLimit(maxKinEnergy); >> 115 AddEmModel(nm, em1, flucModel); 139 } 116 } >> 117 >> 118 if(verboseLevel>0) >> 119 G4cout << "G4hhIonisation is initialised: Nmodels= " << nm << G4endl; >> 120 140 isInitialised = true; 121 isInitialised = true; 141 } 122 } 142 123 143 //....oooOO0OOooo........oooOO0OOooo........oo 124 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 144 125 145 void G4hhIonisation::ProcessDescription(std::o << 126 void G4hhIonisation::PrintInfo() 146 { 127 { 147 out << "G4hhIonisation: no delta rays" << G4 << 128 G4cout << " Delta-ray will not be produced; " 148 G4VEnergyLossProcess::ProcessDescription(out << 129 << "Bether-Bloch model for E > " << std::max(eth,minKinEnergy) >> 130 << G4endl; >> 131 if(eth > minKinEnergy) G4cout >> 132 << " ICRU49 parametrisation scaled from protons below."; >> 133 G4cout << G4endl; 149 } 134 } 150 135 151 //....oooOO0OOooo........oooOO0OOooo........oo 136 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 152 137