Gabriele Cosmo
162 lines
6.8 KiB
C++
162 lines
6.8 KiB
C++
//
|
|
// ********************************************************************
|
|
// * DISCLAIMER *
|
|
// * *
|
|
// * The following disclaimer summarizes all the specific disclaimers *
|
|
// * of contributors to this software. The specific disclaimers,which *
|
|
// * govern, are listed with their locations in: *
|
|
// * http://cern.ch/geant4/license *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. *
|
|
// * *
|
|
// * This code implementation is the intellectual property of the *
|
|
// * GEANT4 collaboration. *
|
|
// * By copying, distributing or modifying the Program (or any work *
|
|
// * based on the Program) you indicate your acceptance of this *
|
|
// * statement, and all its terms. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4PhotoElectricEffect.hh,v 1.6.2.1 2001/06/28 19:12:34 gunter Exp $
|
|
// GEANT4 tag $Name: $
|
|
//
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
//
|
|
// 12-06-96, Added SelectRandomAtom() method and new data member
|
|
// for cumulative total cross section, by M.Maire
|
|
// 21-06-96, SetCuts implementation, M.Maire
|
|
// 17-09-96, Dynamic array PartialSumSigma
|
|
// split ComputeBindingEnergy(), M.Maire
|
|
// 08-01-97, crossection table + meanfreepath table, M.Maire
|
|
// 13-03-97, adapted for the new physics scheme, M.Maire
|
|
// 13-08-98, new methods SetBining() PrintInfo()
|
|
// 17-11-98, use table of atomic shells in PostStepDoIt, mma
|
|
// 06-01-99, Sandia crossSection below 50 keV, V.Grichine mma
|
|
//
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
// class description
|
|
//
|
|
// inherit from G4VDiscreteProcess
|
|
//
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
#ifndef G4PhotoElectricEffect_h
|
|
#define G4PhotoElectricEffect_h 1
|
|
|
|
#include "G4ios.hh"
|
|
#include "globals.hh"
|
|
#include "Randomize.hh"
|
|
#include "G4VDiscreteProcess.hh"
|
|
#include "G4PhysicsTable.hh"
|
|
#include "G4PhysicsLogVector.hh"
|
|
#include "G4ElementTable.hh"
|
|
#include "G4Gamma.hh"
|
|
#include "G4Electron.hh"
|
|
#include "G4Step.hh"
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
class G4PhotoElectricEffect : public G4VDiscreteProcess
|
|
|
|
{
|
|
public: // with description
|
|
|
|
G4PhotoElectricEffect(const G4String& processName ="phot");
|
|
|
|
~G4PhotoElectricEffect();
|
|
|
|
G4bool IsApplicable(const G4ParticleDefinition&);
|
|
// true for Gamma only.
|
|
|
|
void SetPhysicsTableBining(G4double lowE, G4double highE, G4int nBins);
|
|
// Allows to define the binning of the PhysicsTables,
|
|
// before to build them.
|
|
|
|
void BuildPhysicsTable(const G4ParticleDefinition& PhotonType);
|
|
// It builds the total CrossSectionPerAtom table, for Gamma,
|
|
// and for every element contained in the elementTable.
|
|
// It builds the MeanFreePath table, for Gamma,
|
|
// and for every material contained in the materialTable.
|
|
// This function overloads a virtual function of the base class.
|
|
// It is invoked by the G4ParticleWithCuts::SetCut() method.
|
|
|
|
void PrintInfoDefinition();
|
|
// Print few lines of informations about the process: validity range,
|
|
// origine ..etc..
|
|
// Invoked by BuildPhysicsTable().
|
|
|
|
G4double GetMeanFreePath(const G4Track& aTrack,
|
|
G4double previousStepSize,
|
|
G4ForceCondition* condition);
|
|
// It returns the MeanFreePath of the process for the current track :
|
|
// (energy, material)
|
|
// The previousStepSize and G4ForceCondition* are not used.
|
|
// This function overloads a virtual function of the base class.
|
|
// It is invoked by the ProcessManager of the Particle.
|
|
|
|
G4double GetCrossSectionPerAtom(const G4DynamicParticle* aDynamicPhoton,
|
|
G4Element* anElement);
|
|
// It returns the total CrossSectionPerAtom of the process,
|
|
// for the current DynamicGamma (energy), in anElement.
|
|
|
|
G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
|
|
const G4Step& aStep);
|
|
// It computes the final state of the process (at end of step),
|
|
// returned as a ParticleChange object.
|
|
// This function overloads a virtual function of the base class.
|
|
// It is invoked by the ProcessManager of the Particle.
|
|
|
|
protected:
|
|
|
|
virtual inline G4double ComputeKBindingEnergy(G4double AtomicNumber);
|
|
|
|
virtual inline G4double ComputeL1BindingEnergy(G4double AtomicNumber);
|
|
|
|
virtual inline G4double ComputeL2BindingEnergy(G4double AtomicNumber);
|
|
|
|
virtual G4double ComputeCrossSectionPerAtom(G4double PhotonEnergy,
|
|
G4double AtomicNumber);
|
|
|
|
virtual G4double ComputeMeanFreePath(G4double PhotonEnergy,
|
|
G4Material* aMaterial);
|
|
|
|
G4double ComputeSandiaCrossSection (G4double PhotonEnergy,
|
|
G4double AtomicNumber);
|
|
|
|
inline G4double ComputeSandiaMeanFreePath(G4double PhotonEnergy,
|
|
G4Material* aMaterial);
|
|
|
|
private:
|
|
|
|
G4Element* SelectRandomAtom(const G4DynamicParticle* aDynamicPhoton,
|
|
G4Material* aMaterial);
|
|
private:
|
|
|
|
// hide assignment operator as private
|
|
G4PhotoElectricEffect& operator=(const G4PhotoElectricEffect &right);
|
|
G4PhotoElectricEffect(const G4PhotoElectricEffect& );
|
|
|
|
private:
|
|
|
|
G4PhysicsTable* theCrossSectionTable; // table for crossection
|
|
G4PhysicsTable* theMeanFreePathTable; // table for Mean free path
|
|
|
|
G4double LowestEnergyLimit ; // low energy limit of the physics tables
|
|
G4double HighestEnergyLimit ; // high energy limit of the physics tables
|
|
G4int NumbBinTable ; // number of bins in the tables
|
|
|
|
G4double MeanFreePath; // actual Mean Free Path (current medium)
|
|
};
|
|
|
|
#include "G4PhotoElectricEffect.icc"
|
|
|
|
#endif
|
|
|