Gabriele Cosmo
99 lines
3.2 KiB
Plaintext
99 lines
3.2 KiB
Plaintext
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4LowEnergyPhotoElectric.icc,v 1.11.6.1 1999/12/07 20:50:20 gunter Exp $
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// GEANT4 tag $Name: geant4-01-00 $
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//
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//
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// ---------------------------------------------------------------
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// GEANT 4 class inlined methods file
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//
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// For information related to this code contact:
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// CERN, CN Division, ASD group
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// History: first implementation, based on object model of
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// 2nd December 1995, G.Cosmo
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// ------------ G4LowEnergyPhotoElectric physics process ---------
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// by Michel Maire, April 1996
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// ***************************************************************
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// 12-06-96, update by M.Maire
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// 17-09-96, PartialSumSigma(i)
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// split ComputeBinbingEnergy(), M.Maire
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// 08-01-97, crossection table + meanfreepath table , M.Maire
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// 13-03-97, adapted for the new physics scheme, M.Maire
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// 20-11-97, change for lowest energy limit default action
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// ---------------------------------------------------------------
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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inline G4bool G4LowEnergyPhotoElectric::IsApplicable(const G4ParticleDefinition& particle)
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{
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return ( &particle == G4Gamma::Gamma() );
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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inline G4double
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G4LowEnergyPhotoElectric::GetMeanFreePath(const G4Track& aTrack, G4double,
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G4ForceCondition*)
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{
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// returns the gamma mean free path in GEANT4 internal units
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const G4DynamicParticle* aDynamicGamma = aTrack.GetDynamicParticle();
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G4double GammaEnergy = aDynamicGamma->GetKineticEnergy();
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G4Material* aMaterial = aTrack.GetMaterial();
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G4bool isOutRange ;
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if (GammaEnergy > HighestEnergyLimit){
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MeanFreePath = DBL_MAX;
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}
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else if(GammaEnergy < LowestEnergyLimit){
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MeanFreePath = DBL_MIN;
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}
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else {
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MeanFreePath = util.DataLogInterpolation(GammaEnergy,
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aMaterial->GetIndex(),
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theMeanFreePathTable);
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}
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return MeanFreePath;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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inline G4double
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G4LowEnergyPhotoElectric::GetCrossSection(G4DynamicParticle* aDynamicGamma,
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G4Element* anElement)
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// gives the microscopic total cross section in GEANT4 internal units
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{
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G4double crossSection;
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G4double GammaEnergy = aDynamicGamma->GetKineticEnergy();
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G4bool isOutRange ;
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if (GammaEnergy < LowestEnergyLimit || GammaEnergy > HighestEnergyLimit)
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crossSection = 0.;
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else{
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G4int elemZ = (G4int) anElement->GetZ();
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const G4FirstLevel* oneAtomCS
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= (*theCrossSectionTable)[ZNumVec->index(elemZ)];
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crossSection = util.DataLogInterpolation(GammaEnergy,
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(*(*oneAtomCS)[0]), (*(*oneAtomCS)[1]))*barn;
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}
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return crossSection;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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