Gabriele Cosmo
121 lines
3.9 KiB
C++
121 lines
3.9 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * 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. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4PenelopeGammaConversion.hh,v 1.2 2006/06/29 19:36:25 gunter Exp $
|
|
// GEANT4 tag $Name: geant4-09-01 $
|
|
//
|
|
// Author: L. Pandola
|
|
//
|
|
// History:
|
|
// -----------
|
|
// 02 Dec 2002 L.Pandola 1st implementation
|
|
// -------------------------------------------------------------------
|
|
|
|
// Class description:
|
|
// Low Energy process, Photon conversion
|
|
// Penelope model
|
|
|
|
// -------------------------------------------------------------------
|
|
|
|
#ifndef G4PENELOPEGAMMACONVERSION_HH
|
|
#define G4PENELOPEGAMMACONVERSION_HH 1
|
|
|
|
#include "G4VDiscreteProcess.hh"
|
|
|
|
#include "globals.hh"
|
|
#include "G4VDiscreteProcess.hh"
|
|
class G4Track;
|
|
class G4Step;
|
|
class G4ParticleDefinition;
|
|
class G4VParticleChange;
|
|
class G4VEMDataSet;
|
|
class G4VCrossSectionHandler;
|
|
class G4VRangeTest;
|
|
|
|
class G4PenelopeGammaConversion : public G4VDiscreteProcess {
|
|
|
|
public:
|
|
|
|
G4PenelopeGammaConversion(const G4String& processName ="PenConversion");
|
|
|
|
~G4PenelopeGammaConversion();
|
|
|
|
G4bool IsApplicable(const G4ParticleDefinition& photon);
|
|
|
|
void BuildPhysicsTable(const G4ParticleDefinition& photon);
|
|
|
|
|
|
G4VParticleChange* PostStepDoIt(const G4Track& aTrack, const G4Step& aStep);
|
|
|
|
// For testing purpose only
|
|
G4double DumpMeanFreePath(const G4Track& aTrack,
|
|
G4double previousStepSize,
|
|
G4ForceCondition* condition)
|
|
{ return GetMeanFreePath(aTrack, previousStepSize, condition); }
|
|
|
|
protected:
|
|
|
|
G4double GetMeanFreePath(const G4Track& aTrack,
|
|
G4double previousStepSize,
|
|
G4ForceCondition* condition);
|
|
|
|
private:
|
|
|
|
// Hide copy constructor and assignment operator as private
|
|
G4PenelopeGammaConversion& operator=(const G4PenelopeGammaConversion &right);
|
|
G4PenelopeGammaConversion(const G4PenelopeGammaConversion& );
|
|
|
|
G4double GetScreeningRadius(G4double Z);
|
|
G4double ScreenFunction(G4double screenVariable,G4int icase);
|
|
G4double CoulombCorrection(G4double ZAlpha);
|
|
G4double LowEnergyCorrection(G4double ZAlpha,G4double eki);
|
|
|
|
G4double lowEnergyLimit; // low energy limit applied to the process
|
|
G4double highEnergyLimit; // high energy limit applied to the process
|
|
|
|
G4VEMDataSet* meanFreePathTable;
|
|
G4VCrossSectionHandler* crossSectionHandler;
|
|
|
|
G4VRangeTest* rangeTest;
|
|
|
|
const G4double intrinsicLowEnergyLimit; // intrinsic validity range
|
|
const G4double intrinsicHighEnergyLimit;
|
|
|
|
const G4double smallEnergy;
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|