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 // 26 // ------------------------------------------- 27 // ------------------------------------------------------------------- 27 // 28 // 28 // GEANT4 Class file 29 // GEANT4 Class file 29 // 30 // 30 // 31 // 31 // File name: G4MuIonisation 32 // File name: G4MuIonisation 32 // 33 // 33 // Author: Laszlo Urban 34 // Author: Laszlo Urban 34 // 35 // 35 // Creation date: 30.09.1997 36 // Creation date: 30.09.1997 36 // 37 // 37 // Modifications: 38 // Modifications: 38 // 39 // 39 // 08-04-98 remove 'tracking cut' of the ioniz 40 // 08-04-98 remove 'tracking cut' of the ionizing particle (mma) 40 // 26-10-98 new stuff from R.Kokoulin + cleanu 41 // 26-10-98 new stuff from R.Kokoulin + cleanup , L.Urban 41 // 10-02-00 modifications , new e.m. structure 42 // 10-02-00 modifications , new e.m. structure, L.Urban 42 // 23-03-01 R.Kokoulin's correction is comment 43 // 23-03-01 R.Kokoulin's correction is commented out, L.Urban 43 // 29-05-01 V.Ivanchenko minor changes to prov 44 // 29-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation 44 // 10-08-01 new methods Store/Retrieve Physics 45 // 10-08-01 new methods Store/Retrieve PhysicsTable (mma) 45 // 28-08-01 new function ComputeRestrictedMean 46 // 28-08-01 new function ComputeRestrictedMeandEdx() + 'cleanup' (mma) 46 // 17-09-01 migration of Materials to pure STL 47 // 17-09-01 migration of Materials to pure STL (mma) 47 // 26-09-01 completion of RetrievePhysicsTable 48 // 26-09-01 completion of RetrievePhysicsTable (mma) 48 // 29-10-01 all static functions no more inlin 49 // 29-10-01 all static functions no more inlined (mma) 49 // 07-11-01 correction(Tmax+xsection computati 50 // 07-11-01 correction(Tmax+xsection computation) L.Urban 50 // 08-11-01 particleMass becomes a local varia 51 // 08-11-01 particleMass becomes a local variable (mma) 51 // 10-05-02 V.Ivanchenko update to new design 52 // 10-05-02 V.Ivanchenko update to new design 52 // 04-12-02 V.Ivanchenko the low energy limit 53 // 04-12-02 V.Ivanchenko the low energy limit for Kokoulin model to 10 GeV 53 // 23-12-02 Change interface in order to move 54 // 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko) 54 // 26-12-02 Secondary production moved to deri 55 // 26-12-02 Secondary production moved to derived classes (V.Ivanchenko) 55 // 13-02-03 SubCutoff regime is assigned to a 56 // 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko) 56 // 23-05-03 Define default integral + BohrFluc 57 // 23-05-03 Define default integral + BohrFluctuations (V.Ivanchenko) 57 // 03-06-03 Add SetIntegral method to choose f 58 // 03-06-03 Add SetIntegral method to choose fluctuation model (V.Ivanchenko) 58 // 03-06-03 Fix initialisation problem for STD 59 // 03-06-03 Fix initialisation problem for STD ionisation (V.Ivanchenko) 59 // 04-08-03 Set integral=false to be default ( 60 // 04-08-03 Set integral=false to be default (V.Ivanchenko) 60 // 08-08-03 STD substitute standard (V.Ivanch 61 // 08-08-03 STD substitute standard (V.Ivanchenko) 61 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossPro 62 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko) 62 // 10-02-04 Calculation of radiative correctio 63 // 10-02-04 Calculation of radiative corrections using R.Kokoulin model (V.I.) 63 // 27-05-04 Set integral to be a default regim 64 // 27-05-04 Set integral to be a default regime (V.Ivanchenko) 64 // 17-08-04 Utilise mu+ tables for mu- (V.Ivan 65 // 17-08-04 Utilise mu+ tables for mu- (V.Ivanchenko) 65 // 08-11-04 Migration to new interface of Stor 66 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko) 66 // 08-04-05 Major optimisation of internal int 67 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko) 67 // 12-08-05 SetStepLimits(0.2, 0.1*mm) (mma) 68 // 12-08-05 SetStepLimits(0.2, 0.1*mm) (mma) 68 // 02-09-05 SetStepLimits(0.2, 1*mm) (V.Ivantc 69 // 02-09-05 SetStepLimits(0.2, 1*mm) (V.Ivantchenko) 69 // 12-08-05 SetStepLimits(0.2, 0.1*mm) + integ 70 // 12-08-05 SetStepLimits(0.2, 0.1*mm) + integral off (V.Ivantchenko) 70 // 10-01-06 SetStepLimits -> SetStepFunction ( 71 // 10-01-06 SetStepLimits -> SetStepFunction (V.Ivantchenko) 71 // 72 // 72 // ------------------------------------------- 73 // ------------------------------------------------------------------- 73 // 74 // 74 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 75 //....oooOO0OOooo........oooOO0OOooo........oo 76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 76 77 77 #include "G4MuIonisation.hh" 78 #include "G4MuIonisation.hh" 78 #include "G4PhysicalConstants.hh" 79 #include "G4PhysicalConstants.hh" 79 #include "G4SystemOfUnits.hh" 80 #include "G4SystemOfUnits.hh" 80 #include "G4Electron.hh" 81 #include "G4Electron.hh" >> 82 #include "G4MuonPlus.hh" >> 83 #include "G4MuonMinus.hh" 81 #include "G4BraggModel.hh" 84 #include "G4BraggModel.hh" 82 #include "G4BetheBlochModel.hh" 85 #include "G4BetheBlochModel.hh" 83 #include "G4MuBetheBlochModel.hh" 86 #include "G4MuBetheBlochModel.hh" 84 #include "G4EmStandUtil.hh" << 87 #include "G4UniversalFluctuation.hh" >> 88 #include "G4IonFluctuations.hh" >> 89 #include "G4BohrFluctuations.hh" >> 90 #include "G4UnitsTable.hh" 85 #include "G4ICRU73QOModel.hh" 91 #include "G4ICRU73QOModel.hh" 86 #include "G4EmParameters.hh" 92 #include "G4EmParameters.hh" 87 93 88 //....oooOO0OOooo........oooOO0OOooo........oo 94 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 89 95 >> 96 using namespace std; >> 97 90 G4MuIonisation::G4MuIonisation(const G4String& 98 G4MuIonisation::G4MuIonisation(const G4String& name) 91 : G4VEnergyLossProcess(name) << 99 : G4VEnergyLossProcess(name), >> 100 theParticle(nullptr), >> 101 theBaseParticle(nullptr), >> 102 isInitialised(false) 92 { 103 { >> 104 mass = ratio = 0; 93 SetProcessSubType(fIonisation); 105 SetProcessSubType(fIonisation); 94 SetSecondaryParticle(G4Electron::Electron()) 106 SetSecondaryParticle(G4Electron::Electron()); 95 } 107 } 96 108 97 //....oooOO0OOooo........oooOO0OOooo........oo 109 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 98 110 99 G4bool G4MuIonisation::IsApplicable(const G4Pa 111 G4bool G4MuIonisation::IsApplicable(const G4ParticleDefinition& p) 100 { 112 { 101 return (p.GetPDGCharge() != 0.0); << 113 return (p.GetPDGCharge() != 0.0 && p.GetPDGMass() > 10.0*MeV); 102 } 114 } 103 115 104 //....oooOO0OOooo........oooOO0OOooo........oo 116 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 105 117 106 G4double G4MuIonisation::MinPrimaryEnergy(cons 118 G4double G4MuIonisation::MinPrimaryEnergy(const G4ParticleDefinition*, 107 const G4Material*, 119 const G4Material*, 108 G4double cut) 120 G4double cut) 109 { 121 { 110 G4double x = 0.5*cut/CLHEP::electron_mass_c2 << 122 G4double x = 0.5*cut/electron_mass_c2; 111 G4double gam = x*ratio + std::sqrt((1. + x)* 123 G4double gam = x*ratio + std::sqrt((1. + x)*(1. + x*ratio*ratio)); 112 return mass*(gam - 1.0); 124 return mass*(gam - 1.0); 113 } 125 } 114 126 115 //....oooOO0OOooo........oooOO0OOooo........oo 127 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 116 128 117 void << 129 void G4MuIonisation::InitialiseEnergyLossProcess(const G4ParticleDefinition* part, 118 G4MuIonisation::InitialiseEnergyLossProcess(co << 130 const G4ParticleDefinition* bpart) 119 co << 120 { 131 { 121 if(!isInitialised) { 132 if(!isInitialised) { 122 133 123 theParticle = part; 134 theParticle = part; 124 theBaseParticle = bpart; 135 theBaseParticle = bpart; 125 136 126 mass = theParticle->GetPDGMass(); 137 mass = theParticle->GetPDGMass(); 127 ratio = CLHEP::electron_mass_c2/mass; << 128 G4double q = theParticle->GetPDGCharge(); 138 G4double q = theParticle->GetPDGCharge(); 129 139 130 G4EmParameters* param = G4EmParameters::In 140 G4EmParameters* param = G4EmParameters::Instance(); 131 G4double elow = 0.2*CLHEP::MeV; << 141 G4double elow = 0.2*MeV; 132 G4double emax = param->MaxKinEnergy(); 142 G4double emax = param->MaxKinEnergy(); >> 143 G4double ehigh = std::min(1*GeV, emax); 133 144 134 // Bragg peak model 145 // Bragg peak model 135 if (nullptr == EmModel(0)) { << 146 if (!EmModel(0)) { 136 if(q > 0.0) { SetEmModel(new G4BraggMode 147 if(q > 0.0) { SetEmModel(new G4BraggModel()); } 137 else { SetEmModel(new G4ICRU73QOM 148 else { SetEmModel(new G4ICRU73QOModel()); } 138 } 149 } 139 EmModel(0)->SetLowEnergyLimit(param->MinKi 150 EmModel(0)->SetLowEnergyLimit(param->MinKinEnergy()); 140 EmModel(0)->SetHighEnergyLimit(elow); 151 EmModel(0)->SetHighEnergyLimit(elow); >> 152 AddEmModel(1, EmModel(0), new G4IonFluctuations()); 141 153 142 // fluctuation model << 154 // high energy fluctuation model 143 if (nullptr == FluctModel()) { << 155 if (!FluctModel()) { SetFluctModel(new G4UniversalFluctuation()); } 144 SetFluctModel(G4EmStandUtil::ModelOfFluc << 145 } << 146 AddEmModel(1, EmModel(0), FluctModel()); << 147 156 148 // high energy model << 157 // moderate energy model 149 if (nullptr == EmModel(1)) { SetEmModel(ne << 158 if (!EmModel(1)) { SetEmModel(new G4BetheBlochModel()); } 150 EmModel(1)->SetLowEnergyLimit(elow); 159 EmModel(1)->SetLowEnergyLimit(elow); 151 EmModel(1)->SetHighEnergyLimit(emax); << 160 EmModel(1)->SetHighEnergyLimit(ehigh); 152 AddEmModel(1, EmModel(1), FluctModel()); << 161 AddEmModel(2, EmModel(1), FluctModel()); 153 162 >> 163 // high energy model >> 164 if(ehigh < emax) { >> 165 if (!EmModel(2)) { SetEmModel(new G4MuBetheBlochModel()); } >> 166 EmModel(2)->SetLowEnergyLimit(ehigh); >> 167 EmModel(2)->SetHighEnergyLimit(emax); >> 168 AddEmModel(3, EmModel(2), FluctModel()); >> 169 } >> 170 ratio = electron_mass_c2/mass; 154 isInitialised = true; 171 isInitialised = true; 155 } 172 } 156 } 173 } >> 174 >> 175 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... >> 176 >> 177 void G4MuIonisation::PrintInfo() >> 178 {} 157 179 158 //....oooOO0OOooo........oooOO0OOooo........oo 180 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 159 181 160 void G4MuIonisation::ProcessDescription(std::o 182 void G4MuIonisation::ProcessDescription(std::ostream& out) const 161 { 183 { 162 out << " Muon ionisation"; 184 out << " Muon ionisation"; 163 G4VEnergyLossProcess::ProcessDescription(out 185 G4VEnergyLossProcess::ProcessDescription(out); 164 } 186 } 165 187 166 //....oooOO0OOooo........oooOO0OOooo........oo 188 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 167 189