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Geant4/processes/electromagnetic/highenergy/src/G4hhIonisation.cc

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Diff markup

Differences between /processes/electromagnetic/highenergy/src/G4hhIonisation.cc (Version 11.3.0) and /processes/electromagnetic/highenergy/src/G4hhIonisation.cc (Version 11.2.1)


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 25 //                                                 25 //
 26 //                                                 26 //
 27 // -------------------------------------------     27 // -------------------------------------------------------------------
 28 //                                                 28 //
 29 // GEANT4 Class file                               29 // GEANT4 Class file
 30 //                                                 30 //
 31 //                                                 31 //
 32 // File name:     G4hhIonisation                   32 // File name:     G4hhIonisation
 33 //                                                 33 //
 34 // Author:        Vladimir Ivanchenko              34 // Author:        Vladimir Ivanchenko
 35 //                                                 35 //
 36 // Creation date: 30.09.2005                       36 // Creation date: 30.09.2005
 37 //                                                 37 //
 38 // Modifications:                                  38 // Modifications:
 39 // 10-01-06 SetStepLimits -> SetStepFunction (     39 // 10-01-06 SetStepLimits -> SetStepFunction (V.Ivantchenko)
 40 // 27-10-06 Add maxKinEnergy (V.Ivantchenko)       40 // 27-10-06 Add maxKinEnergy (V.Ivantchenko)
 41 //                                                 41 //
 42 //                                                 42 //
 43 // -------------------------------------------     43 // -------------------------------------------------------------------
 44 //                                                 44 //
 45 //....oooOO0OOooo........oooOO0OOooo........oo     45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 46 //....oooOO0OOooo........oooOO0OOooo........oo     46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 47                                                    47 
 48 #include "G4hhIonisation.hh"                       48 #include "G4hhIonisation.hh"
 49 #include "G4PhysicalConstants.hh"                  49 #include "G4PhysicalConstants.hh"
 50 #include "G4SystemOfUnits.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"                 53 #include "G4ICRU73NoDeltaModel.hh"
 54 #include "G4UniversalFluctuation.hh"               54 #include "G4UniversalFluctuation.hh"
 55 #include "G4IonFluctuations.hh"                    55 #include "G4IonFluctuations.hh"
 56 #include "G4UnitsTable.hh"                         56 #include "G4UnitsTable.hh"
 57 #include "G4Electron.hh"                           57 #include "G4Electron.hh"
 58 #include "G4EmParameters.hh"                       58 #include "G4EmParameters.hh"
 59                                                    59 
 60 //....oooOO0OOooo........oooOO0OOooo........oo     60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 61                                                    61 
 62 G4hhIonisation::G4hhIonisation(const G4String&     62 G4hhIonisation::G4hhIonisation(const G4String& name)
 63   : G4VEnergyLossProcess(name)                     63   : G4VEnergyLossProcess(name)
 64 {                                                  64 {
 65   SetVerboseLevel(1);                              65   SetVerboseLevel(1);
 66   SetProcessSubType(fIonisation);                  66   SetProcessSubType(fIonisation);
 67   SetSecondaryParticle(G4Electron::Electron())     67   SetSecondaryParticle(G4Electron::Electron());
 68 }                                                  68 }
 69                                                    69 
 70 //....oooOO0OOooo........oooOO0OOooo........oo     70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 71                                                    71 
 72 G4hhIonisation::~G4hhIonisation()                  72 G4hhIonisation::~G4hhIonisation()
 73 {}                                                 73 {}
 74                                                    74 
 75 //....oooOO0OOooo........oooOO0OOooo........oo     75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 76                                                    76 
 77 G4bool G4hhIonisation::IsApplicable(const G4Pa     77 G4bool G4hhIonisation::IsApplicable(const G4ParticleDefinition& p)
 78 {                                                  78 {
 79   return (p.GetPDGCharge() != 0.0);                79   return (p.GetPDGCharge() != 0.0);
 80 }                                                  80 }
 81                                                    81 
 82 //....oooOO0OOooo........oooOO0OOooo........oo     82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 83                                                    83 
 84 G4double G4hhIonisation::MinPrimaryEnergy(cons     84 G4double G4hhIonisation::MinPrimaryEnergy(const G4ParticleDefinition*,
 85             const G4Material*,                     85             const G4Material*,
 86             G4double cut)                          86             G4double cut)
 87 {                                                  87 {
 88   G4double x = 0.5*cut/electron_mass_c2;           88   G4double x = 0.5*cut/electron_mass_c2;
 89   G4double y = electron_mass_c2/mass;              89   G4double y = electron_mass_c2/mass;
 90   G4double gam = x*y + std::sqrt((1. + x)*(1.      90   G4double gam = x*y + std::sqrt((1. + x)*(1. + x*y*y));
 91   return mass*(gam - 1.0);                         91   return mass*(gam - 1.0);
 92 }                                                  92 }
 93                                                    93 
 94 //....oooOO0OOooo........oooOO0OOooo........oo     94 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 95                                                    95 
 96 void G4hhIonisation::InitialiseEnergyLossProce     96 void G4hhIonisation::InitialiseEnergyLossProcess(
 97          const G4ParticleDefinition* part,         97          const G4ParticleDefinition* part,
 98          const G4ParticleDefinition* bpart)        98          const G4ParticleDefinition* bpart)
 99 {                                                  99 {
100   if(isInitialised) { return; }                   100   if(isInitialised) { return; }
101                                                   101 
102   theParticle = part;                             102   theParticle = part;
103   if(nullptr != bpart) {                          103   if(nullptr != bpart) { 
104     G4cout << "G4hhIonisation::InitialiseEnerg    104     G4cout << "G4hhIonisation::InitialiseEnergyLossProcess WARNING: no "
105      << "base particle should be defined for t    105      << "base particle should be defined for the process "
106      << GetProcessName() << G4endl;               106      << GetProcessName() << G4endl; 
107   }                                               107   }
108   mass  = theParticle->GetPDGMass();              108   mass  = theParticle->GetPDGMass();
109   ratio = electron_mass_c2/mass;                  109   ratio = electron_mass_c2/mass;
110   G4double eth = 2*CLHEP::MeV*mass/proton_mass    110   G4double eth = 2*CLHEP::MeV*mass/proton_mass_c2;
111   flucModel = new G4IonFluctuations();            111   flucModel = new G4IonFluctuations();
112                                                   112 
113   G4EmParameters* param = G4EmParameters::Inst    113   G4EmParameters* param = G4EmParameters::Instance();
114   G4double emin = std::min(param->MinKinEnergy    114   G4double emin = std::min(param->MinKinEnergy(), 0.1*eth);
115   G4double emax = std::max(param->MaxKinEnergy    115   G4double emax = std::max(param->MaxKinEnergy(), 100*eth);
116                                                   116 
117   SetMinKinEnergy(emin);                          117   SetMinKinEnergy(emin);
118   SetMaxKinEnergy(emax);                          118   SetMaxKinEnergy(emax);
119   G4int bin = G4lrint(param->NumberOfBinsPerDe    119   G4int bin = G4lrint(param->NumberOfBinsPerDecade()*std::log10(emax/emin));
120   SetDEDXBinning(bin);                            120   SetDEDXBinning(bin);
121                                                   121 
122   G4VEmModel* em = EmModel(0);                    122   G4VEmModel* em = EmModel(0); 
123   if (nullptr == em) {                            123   if (nullptr == em) { 
124     if(part->GetPDGCharge() > 0.0) { em = new     124     if(part->GetPDGCharge() > 0.0) { em = new G4BraggNoDeltaModel(); }
125     else { em = new G4ICRU73NoDeltaModel(); }     125     else { em = new G4ICRU73NoDeltaModel(); }
126   }                                               126   }
127   em->SetLowEnergyLimit(emin);                    127   em->SetLowEnergyLimit(emin);
128   em->SetHighEnergyLimit(eth);                    128   em->SetHighEnergyLimit(eth);
129   AddEmModel(1, em, flucModel);                   129   AddEmModel(1, em, flucModel);
130                                                   130 
131   em = EmModel(1);                                131   em = EmModel(1);
132   if(nullptr == em) { em = new G4BetheBlochNoD    132   if(nullptr == em) { em = new G4BetheBlochNoDeltaModel(); }
133   em->SetLowEnergyLimit(eth);                     133   em->SetLowEnergyLimit(eth);
134   em->SetHighEnergyLimit(emax);                   134   em->SetHighEnergyLimit(emax);
135   AddEmModel(1, em, flucModel);                   135   AddEmModel(1, em, flucModel);
136                                                   136 
137   if(verboseLevel>1) {                            137   if(verboseLevel>1) {
138     G4cout << "G4hhIonisation is initialised"     138     G4cout << "G4hhIonisation is initialised" << G4endl;
139   }                                               139   }
140   isInitialised = true;                           140   isInitialised = true;
141 }                                                 141 }
142                                                   142 
143 //....oooOO0OOooo........oooOO0OOooo........oo    143 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
144                                                   144 
145 void G4hhIonisation::ProcessDescription(std::o    145 void G4hhIonisation::ProcessDescription(std::ostream& out) const
146 {                                                 146 {
147   out << "G4hhIonisation: no delta rays" << G4    147   out << "G4hhIonisation: no delta rays" << G4endl;
148   G4VEnergyLossProcess::ProcessDescription(out    148   G4VEnergyLossProcess::ProcessDescription(out);
149 }                                                 149 }
150                                                   150 
151 //....oooOO0OOooo........oooOO0OOooo........oo    151 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
152                                                   152