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******************************************************************** 25 // 25 // >> 26 // $Id: G4MuIonisation.cc 68035 2013-03-13 14:12:34Z gcosmo $ >> 27 // 26 // ------------------------------------------- 28 // ------------------------------------------------------------------- 27 // 29 // 28 // GEANT4 Class file 30 // GEANT4 Class file 29 // 31 // 30 // 32 // 31 // File name: G4MuIonisation 33 // File name: G4MuIonisation 32 // 34 // 33 // Author: Laszlo Urban 35 // Author: Laszlo Urban 34 // 36 // 35 // Creation date: 30.09.1997 37 // Creation date: 30.09.1997 36 // 38 // 37 // Modifications: 39 // Modifications: 38 // 40 // 39 // 08-04-98 remove 'tracking cut' of the ioniz 41 // 08-04-98 remove 'tracking cut' of the ionizing particle (mma) 40 // 26-10-98 new stuff from R.Kokoulin + cleanu 42 // 26-10-98 new stuff from R.Kokoulin + cleanup , L.Urban 41 // 10-02-00 modifications , new e.m. structure 43 // 10-02-00 modifications , new e.m. structure, L.Urban 42 // 23-03-01 R.Kokoulin's correction is comment 44 // 23-03-01 R.Kokoulin's correction is commented out, L.Urban 43 // 29-05-01 V.Ivanchenko minor changes to prov 45 // 29-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation 44 // 10-08-01 new methods Store/Retrieve Physics 46 // 10-08-01 new methods Store/Retrieve PhysicsTable (mma) 45 // 28-08-01 new function ComputeRestrictedMean 47 // 28-08-01 new function ComputeRestrictedMeandEdx() + 'cleanup' (mma) 46 // 17-09-01 migration of Materials to pure STL 48 // 17-09-01 migration of Materials to pure STL (mma) 47 // 26-09-01 completion of RetrievePhysicsTable 49 // 26-09-01 completion of RetrievePhysicsTable (mma) 48 // 29-10-01 all static functions no more inlin 50 // 29-10-01 all static functions no more inlined (mma) 49 // 07-11-01 correction(Tmax+xsection computati 51 // 07-11-01 correction(Tmax+xsection computation) L.Urban 50 // 08-11-01 particleMass becomes a local varia 52 // 08-11-01 particleMass becomes a local variable (mma) 51 // 10-05-02 V.Ivanchenko update to new design 53 // 10-05-02 V.Ivanchenko update to new design 52 // 04-12-02 V.Ivanchenko the low energy limit 54 // 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 55 // 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko) 54 // 26-12-02 Secondary production moved to deri 56 // 26-12-02 Secondary production moved to derived classes (V.Ivanchenko) 55 // 13-02-03 SubCutoff regime is assigned to a 57 // 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko) 56 // 23-05-03 Define default integral + BohrFluc 58 // 23-05-03 Define default integral + BohrFluctuations (V.Ivanchenko) 57 // 03-06-03 Add SetIntegral method to choose f 59 // 03-06-03 Add SetIntegral method to choose fluctuation model (V.Ivanchenko) 58 // 03-06-03 Fix initialisation problem for STD 60 // 03-06-03 Fix initialisation problem for STD ionisation (V.Ivanchenko) 59 // 04-08-03 Set integral=false to be default ( 61 // 04-08-03 Set integral=false to be default (V.Ivanchenko) 60 // 08-08-03 STD substitute standard (V.Ivanch 62 // 08-08-03 STD substitute standard (V.Ivanchenko) 61 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossPro 63 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko) 62 // 10-02-04 Calculation of radiative correctio << 64 // 10-02-04 Calculation of radiative corrections using R.Kokoulin model (V.Ivanchenko) 63 // 27-05-04 Set integral to be a default regim 65 // 27-05-04 Set integral to be a default regime (V.Ivanchenko) 64 // 17-08-04 Utilise mu+ tables for mu- (V.Ivan 66 // 17-08-04 Utilise mu+ tables for mu- (V.Ivanchenko) 65 // 08-11-04 Migration to new interface of Stor 67 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko) 66 // 08-04-05 Major optimisation of internal int 68 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko) 67 // 12-08-05 SetStepLimits(0.2, 0.1*mm) (mma) 69 // 12-08-05 SetStepLimits(0.2, 0.1*mm) (mma) 68 // 02-09-05 SetStepLimits(0.2, 1*mm) (V.Ivantc 70 // 02-09-05 SetStepLimits(0.2, 1*mm) (V.Ivantchenko) 69 // 12-08-05 SetStepLimits(0.2, 0.1*mm) + integ 71 // 12-08-05 SetStepLimits(0.2, 0.1*mm) + integral off (V.Ivantchenko) 70 // 10-01-06 SetStepLimits -> SetStepFunction ( 72 // 10-01-06 SetStepLimits -> SetStepFunction (V.Ivantchenko) 71 // 73 // 72 // ------------------------------------------- 74 // ------------------------------------------------------------------- 73 // 75 // 74 //....oooOO0OOooo........oooOO0OOooo........oo 76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 75 //....oooOO0OOooo........oooOO0OOooo........oo 77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 76 78 77 #include "G4MuIonisation.hh" 79 #include "G4MuIonisation.hh" 78 #include "G4PhysicalConstants.hh" 80 #include "G4PhysicalConstants.hh" 79 #include "G4SystemOfUnits.hh" 81 #include "G4SystemOfUnits.hh" 80 #include "G4Electron.hh" 82 #include "G4Electron.hh" >> 83 #include "G4MuonPlus.hh" >> 84 #include "G4MuonMinus.hh" 81 #include "G4BraggModel.hh" 85 #include "G4BraggModel.hh" 82 #include "G4BetheBlochModel.hh" 86 #include "G4BetheBlochModel.hh" 83 #include "G4MuBetheBlochModel.hh" 87 #include "G4MuBetheBlochModel.hh" 84 #include "G4EmStandUtil.hh" << 88 #include "G4UniversalFluctuation.hh" >> 89 #include "G4IonFluctuations.hh" >> 90 #include "G4BohrFluctuations.hh" >> 91 #include "G4UnitsTable.hh" 85 #include "G4ICRU73QOModel.hh" 92 #include "G4ICRU73QOModel.hh" 86 #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(0), >> 101 theBaseParticle(0), >> 102 isInitialised(false) 92 { 103 { >> 104 mass = ratio = 0; >> 105 // SetStepFunction(0.2, 1*mm); >> 106 //SetIntegral(true); >> 107 //SetVerboseLevel(1); 93 SetProcessSubType(fIonisation); 108 SetProcessSubType(fIonisation); 94 SetSecondaryParticle(G4Electron::Electron()) 109 SetSecondaryParticle(G4Electron::Electron()); 95 } 110 } 96 111 97 //....oooOO0OOooo........oooOO0OOooo........oo 112 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 98 113 >> 114 G4MuIonisation::~G4MuIonisation() >> 115 {} >> 116 >> 117 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... >> 118 99 G4bool G4MuIonisation::IsApplicable(const G4Pa 119 G4bool G4MuIonisation::IsApplicable(const G4ParticleDefinition& p) 100 { 120 { 101 return (p.GetPDGCharge() != 0.0); << 121 return (p.GetPDGCharge() != 0.0 && p.GetPDGMass() > 10.0*MeV); 102 } 122 } 103 123 104 //....oooOO0OOooo........oooOO0OOooo........oo 124 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 105 125 106 G4double G4MuIonisation::MinPrimaryEnergy(cons 126 G4double G4MuIonisation::MinPrimaryEnergy(const G4ParticleDefinition*, 107 const G4Material*, 127 const G4Material*, 108 G4double cut) 128 G4double cut) 109 { 129 { 110 G4double x = 0.5*cut/CLHEP::electron_mass_c2 << 130 G4double x = 0.5*cut/electron_mass_c2; 111 G4double gam = x*ratio + std::sqrt((1. + x)* 131 G4double gam = x*ratio + std::sqrt((1. + x)*(1. + x*ratio*ratio)); 112 return mass*(gam - 1.0); 132 return mass*(gam - 1.0); 113 } 133 } 114 134 115 //....oooOO0OOooo........oooOO0OOooo........oo 135 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 116 136 117 void << 137 void G4MuIonisation::InitialiseEnergyLossProcess(const G4ParticleDefinition* part, 118 G4MuIonisation::InitialiseEnergyLossProcess(co << 138 const G4ParticleDefinition* bpart) 119 co << 120 { 139 { 121 if(!isInitialised) { 140 if(!isInitialised) { 122 141 123 theParticle = part; 142 theParticle = part; 124 theBaseParticle = bpart; 143 theBaseParticle = bpart; 125 144 126 mass = theParticle->GetPDGMass(); 145 mass = theParticle->GetPDGMass(); 127 ratio = CLHEP::electron_mass_c2/mass; << 128 G4double q = theParticle->GetPDGCharge(); 146 G4double q = theParticle->GetPDGCharge(); 129 << 147 G4double elow = 0.2*MeV; 130 G4EmParameters* param = G4EmParameters::In << 131 G4double elow = 0.2*CLHEP::MeV; << 132 G4double emax = param->MaxKinEnergy(); << 133 148 134 // Bragg peak model 149 // Bragg peak model 135 if (nullptr == EmModel(0)) { << 150 if (!EmModel(1)) { 136 if(q > 0.0) { SetEmModel(new G4BraggMode << 151 if(q > 0.0) { SetEmModel(new G4BraggModel(),1); } 137 else { SetEmModel(new G4ICRU73QOM << 152 else { SetEmModel(new G4ICRU73QOModel(),1); } 138 } << 139 EmModel(0)->SetLowEnergyLimit(param->MinKi << 140 EmModel(0)->SetHighEnergyLimit(elow); << 141 << 142 // fluctuation model << 143 if (nullptr == FluctModel()) { << 144 SetFluctModel(G4EmStandUtil::ModelOfFluc << 145 } 153 } 146 AddEmModel(1, EmModel(0), FluctModel()); << 154 EmModel(1)->SetLowEnergyLimit(MinKinEnergy()); >> 155 EmModel(1)->SetHighEnergyLimit(elow); >> 156 AddEmModel(1, EmModel(1), new G4IonFluctuations()); >> 157 >> 158 // high energy fluctuation model >> 159 if (!FluctModel()) { SetFluctModel(new G4UniversalFluctuation()); } >> 160 >> 161 // moderate energy model >> 162 if (!EmModel(2)) { SetEmModel(new G4BetheBlochModel(),2); } >> 163 EmModel(2)->SetLowEnergyLimit(elow); >> 164 EmModel(2)->SetHighEnergyLimit(1.0*GeV); >> 165 AddEmModel(2, EmModel(2), FluctModel()); 147 166 148 // high energy model 167 // high energy model 149 if (nullptr == EmModel(1)) { SetEmModel(ne << 168 if (!EmModel(3)) { SetEmModel(new G4MuBetheBlochModel(),3); } 150 EmModel(1)->SetLowEnergyLimit(elow); << 169 EmModel(3)->SetLowEnergyLimit(1.0*GeV); 151 EmModel(1)->SetHighEnergyLimit(emax); << 170 EmModel(3)->SetHighEnergyLimit(MaxKinEnergy()); 152 AddEmModel(1, EmModel(1), FluctModel()); << 171 AddEmModel(3, EmModel(3), FluctModel()); 153 172 >> 173 ratio = electron_mass_c2/mass; 154 isInitialised = true; 174 isInitialised = true; 155 } 175 } 156 } 176 } 157 177 158 //....oooOO0OOooo........oooOO0OOooo........oo 178 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 159 179 160 void G4MuIonisation::ProcessDescription(std::o << 180 void G4MuIonisation::PrintInfo() 161 { << 181 {} 162 out << " Muon ionisation"; << 163 G4VEnergyLossProcess::ProcessDescription(out << 164 } << 165 182 166 //....oooOO0OOooo........oooOO0OOooo........oo 183 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... >> 184 >> 185 >> 186 >> 187 167 188