G4mplIonisation.cc

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00026 // $Id: G4mplIonisation.cc 66996 2013-01-29 14:50:52Z gcosmo $
00027 //
00028 // -------------------------------------------------------------------
00029 //
00030 // GEANT4 Class file
00031 //
00032 //
00033 // File name:     G4mplIonisation
00034 //
00035 // Author:        Vladimir Ivanchenko
00036 //
00037 // Creation date: 25.08.2005
00038 //
00039 // Modifications:
00040 //
00041 //
00042 // -------------------------------------------------------------------
00043 //
00044 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00046 
00047 #include "G4mplIonisation.hh"
00048 #include "G4PhysicalConstants.hh"
00049 #include "G4SystemOfUnits.hh"
00050 #include "G4Electron.hh"
00051 #include "G4mplIonisationModel.hh"
00052 #include "G4mplIonisationWithDeltaModel.hh"
00053 #include "G4LossTableManager.hh"
00054 
00055 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00056 
00057 using namespace std;
00058 
00059 G4mplIonisation::G4mplIonisation(G4double mCharge, const G4String& name)
00060   : G4VEnergyLossProcess(name),
00061     magneticCharge(mCharge),
00062     isInitialised(false)
00063 {
00064   // By default classical magnetic charge is used
00065   if(magneticCharge == 0.0) { magneticCharge = eplus*0.5/fine_structure_const; }
00066 
00067   SetVerboseLevel(0);
00068   SetProcessSubType(fIonisation);
00069   SetStepFunction(0.2, 1*mm);
00070   SetSecondaryParticle(G4Electron::Electron());
00071 }
00072 
00073 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00074 
00075 G4mplIonisation::~G4mplIonisation()
00076 {}
00077 
00078 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00079 
00080 G4bool G4mplIonisation::IsApplicable(const G4ParticleDefinition&)
00081 {
00082   return true;
00083 }
00084 
00085 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00086 
00087 void G4mplIonisation::InitialiseEnergyLossProcess(const G4ParticleDefinition* p,
00088                                                   const G4ParticleDefinition*)
00089 {
00090   if(isInitialised) { return; }
00091 
00092   SetBaseParticle(0);
00093 
00094   // monopole model is responsible both for energy loss and fluctuations
00095   G4mplIonisationWithDeltaModel* ion =
00096     new G4mplIonisationWithDeltaModel(magneticCharge,"PAI");
00097   ion->SetParticle(p);
00098 
00099   // define size of dedx and range tables
00100   G4double emin  = std::min(MinKinEnergy(),ion->LowEnergyLimit());
00101   G4double emax  = std::max(MaxKinEnergy(),ion->HighEnergyLimit());
00102   G4int bin = G4lrint(G4LossTableManager::Instance()->GetNumberOfBinsPerDecade()
00103                       *std::log10(emax/emin));
00104   ion->SetLowEnergyLimit(emin);
00105   ion->SetHighEnergyLimit(emax);
00106   SetMinKinEnergy(emin);
00107   SetMaxKinEnergy(emax);
00108   SetDEDXBinning(bin);
00109 
00110   AddEmModel(1,ion,ion);
00111 
00112   isInitialised = true;
00113 }
00114 
00115 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00116 
00117 void G4mplIonisation::PrintInfo()
00118 {
00119   G4cout << "      No delta-electron production, only dE/dx"
00120          << G4endl;
00121 }
00122 
00123 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

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