Gabriele Cosmo
195 lines
5.9 KiB
C++
195 lines
5.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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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. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class header file
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//
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//
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// File name: G4PAIPhotModel
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//
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// Author: V. Grichine based on G4PAIModel code for MT
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//
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// Creation date: 07.10.2013
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//
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//
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// Class Description:
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//
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// Implementation of PAI photon model of energy loss and
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// delta-electron or X-ray production by charged particles in MT framework
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//
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// -------------------------------------------------------------------
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//
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#ifndef G4PAIPhotModel_h
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#define G4PAIPhotModel_h 1
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#include <CLHEP/Units/PhysicalConstants.h>
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#include "G4VEmModel.hh"
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#include "G4VEmFluctuationModel.hh"
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#include "globals.hh"
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#include <vector>
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class G4Region;
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class G4MaterialCutsCouple;
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class G4ParticleChangeForLoss;
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class G4PAIPhotData;
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class G4PAIPhotModel final : public G4VEmModel, public G4VEmFluctuationModel
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{
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public:
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explicit G4PAIPhotModel(const G4ParticleDefinition* p = nullptr,
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const G4String& nam = "PAI");
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~G4PAIPhotModel() final;
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void Initialise(const G4ParticleDefinition*, const G4DataVector&) final;
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void InitialiseLocal(const G4ParticleDefinition*,
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G4VEmModel* masterModel) final;
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G4double MinEnergyCut(const G4ParticleDefinition*,
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const G4MaterialCutsCouple* couple) final;
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G4double ComputeDEDXPerVolume(const G4Material*,
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const G4ParticleDefinition*,
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G4double kineticEnergy,
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G4double cutEnergy) final;
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G4double CrossSectionPerVolume(const G4Material*,
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const G4ParticleDefinition*,
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G4double kineticEnergy,
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G4double cutEnergy,
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G4double maxEnergy) final;
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void SampleSecondaries(std::vector<G4DynamicParticle*>*,
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double tmin,
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G4double maxEnergy) final;
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G4double SampleFluctuations(const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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const G4double, const G4double,
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const G4double, const G4double) final;
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G4double Dispersion(const G4Material*, const G4DynamicParticle*,
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const G4double, const G4double, const G4double) final;
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void DefineForRegion(const G4Region* r) final;
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inline G4PAIPhotData* GetPAIPhotData();
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inline const std::vector<const G4MaterialCutsCouple*>& GetVectorOfCouples();
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inline G4double ComputeMaxEnergy(G4double scaledEnergy);
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inline void SetVerboseLevel(G4int verbose);
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// hide assignment operator
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G4PAIPhotModel & operator=(const G4PAIPhotModel &right) = delete;
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G4PAIPhotModel(const G4PAIPhotModel&) = delete;
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protected:
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G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
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G4double kinEnergy) final;
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private:
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inline G4int FindCoupleIndex(const G4MaterialCutsCouple*);
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inline void SetParticle(const G4ParticleDefinition* p);
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G4int fVerbose;
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G4PAIPhotData* fModelData;
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std::vector<const G4MaterialCutsCouple*> fMaterialCutsCoupleVector;
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std::vector<const G4Region*> fPAIRegionVector;
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const G4ParticleDefinition* fParticle;
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const G4ParticleDefinition* fElectron;
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const G4ParticleDefinition* fPositron;
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G4ParticleChangeForLoss* fParticleChange;
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G4double fMass;
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G4double fRatio;
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G4double fChargeSquare;
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G4double fLowestTcut;
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};
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inline G4PAIPhotData* G4PAIPhotModel::GetPAIPhotData()
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{
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return fModelData;
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}
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inline const std::vector<const G4MaterialCutsCouple*>&
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G4PAIPhotModel::GetVectorOfCouples()
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{
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return fMaterialCutsCoupleVector;
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}
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inline G4double G4PAIPhotModel::ComputeMaxEnergy(G4double scaledEnergy)
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{
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return MaxSecondaryEnergy(fParticle, scaledEnergy/fRatio);
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}
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inline void G4PAIPhotModel::SetVerboseLevel(G4int verbose)
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{
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fVerbose=verbose;
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}
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inline G4int G4PAIPhotModel::FindCoupleIndex(const G4MaterialCutsCouple* couple)
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{
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G4int idx = -1;
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G4int jMatMax = (G4int)fMaterialCutsCoupleVector.size();
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for(G4int jMat = 0;jMat < jMatMax; ++jMat) {
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if(couple == fMaterialCutsCoupleVector[jMat]) {
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idx = jMat;
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break;
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}
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}
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return idx;
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}
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inline void G4PAIPhotModel::SetParticle(const G4ParticleDefinition* p)
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{
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if(fParticle != p) {
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fParticle = p;
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fMass = fParticle->GetPDGMass();
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fRatio = CLHEP::proton_mass_c2/fMass;
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G4double q = fParticle->GetPDGCharge()/CLHEP::eplus;
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fChargeSquare = q*q;
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}
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}
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#endif
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