Gabriele Cosmo
119 lines
4.2 KiB
C++
119 lines
4.2 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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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 *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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// $Id: G4PenelopeCompton.hh,v 1.8 2003/12/09 15:36:38 gunter Exp $
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// GEANT4 tag $Name: geant4-06-00-patch-01 $
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//
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// Author: Luciano Pandola
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//
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// History:
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// -----------
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// 05 Dec 2002 L. Pandola 1st implementation
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// 12 Feb 2003 MG Pia const argument in SelectRandomAtomForCompton
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// 14 Feb 2003 MG Pia Modified some variables to lowercase initial
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// 26 Mar 2003 L.Pandola Added fluorescence
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//
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// -------------------------------------------------------------------
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// Class description:
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// Low Energy Electromagnetic Physics, Compton Scattering
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// Penelope Model
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// -------------------------------------------------------------------
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#ifndef G4PENELOPECOMPTON_HH
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#define G4PENELOPECOMPTON_HH 1
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#include "globals.hh"
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#include "G4VDiscreteProcess.hh"
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class G4Track;
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class G4Step;
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class G4ParticleDefinition;
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class G4VParticleChange;
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class G4VEMDataSet;
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class G4VRangeTest;
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class G4Material;
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class G4PenelopeCompton : public G4VDiscreteProcess {
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public:
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G4PenelopeCompton(const G4String& processName ="PenCompton");
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~G4PenelopeCompton();
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G4bool IsApplicable(const G4ParticleDefinition& definition);
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void BuildPhysicsTable(const G4ParticleDefinition& photon);
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G4VParticleChange* PostStepDoIt(const G4Track& aTrack, const G4Step& aStep);
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// For testing purpose only
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G4double DumpMeanFreePath(const G4Track& aTrack,
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G4double previousStepSize,
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G4ForceCondition* condition)
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{ return GetMeanFreePath(aTrack, previousStepSize, condition); }
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protected:
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G4double GetMeanFreePath(const G4Track& aTrack,
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G4double previousStepSize,
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G4ForceCondition* condition);
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private:
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// Hide copy constructor and assignment operator as private
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G4PenelopeCompton& operator=(const G4PenelopeCompton& right);
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G4PenelopeCompton(const G4PenelopeCompton& );
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void ReadData();
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G4double CrossSection(G4double energy,G4int Z);
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G4double DifferentialCrossSection (G4double cdt);
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G4double lowEnergyLimit; // low energy limit applied to the process
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G4double highEnergyLimit; // high energy limit applied to the process
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G4VEMDataSet* meanFreePathTable;
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G4VRangeTest* rangeTest;
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const G4double intrinsicLowEnergyLimit; // intrinsic validity range
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const G4double intrinsicHighEnergyLimit;
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G4double energyForIntegration; //for numerical integration of
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G4int ZForIntegration;// analytical cross section
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std::vector<G4DataVector*> *ionizationEnergy;
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std::vector<G4DataVector*> *hartreeFunction;
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std::vector<G4DataVector*> *occupationNumber;
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G4int SelectRandomAtomForCompton(const G4Material* material,G4double e) const;
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const G4int nBins; //for building cross section table
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std::vector<G4VEMDataSet*>* matCrossSections; //for random choice of atom
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G4double cutForLowEnergySecondaryPhotons;
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};
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#endif
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