Gabriele Cosmo
313 lines
11 KiB
C++
313 lines
11 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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// Class: G4VEMAdjointModel
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// Author: L. Desorgher
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// Organisation: SpaceIT GmbH
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//
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// Base class for Adjoint EM model. It is based on the use of direct
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// G4VEmModel.
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////////////////////////////////////////////////////////////////////////////////
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#ifndef G4VEmAdjointModel_h
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#define G4VEmAdjointModel_h 1
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#include "globals.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4VEmModel.hh"
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class G4AdjointCSMatrix;
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class G4AdjointCSManager;
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class G4Material;
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class G4MaterialCutsCouple;
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class G4ParticleChange;
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class G4Region;
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class G4Track;
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class G4VEmAdjointModel
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{
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public:
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explicit G4VEmAdjointModel(const G4String& nam);
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virtual ~G4VEmAdjointModel();
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//------------------------------------------------------------------------
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// Virtual methods to be implemented for the sample secondaries concrete model
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//------------------------------------------------------------------------
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virtual void SampleSecondaries(const G4Track& aTrack, G4bool isScatProjToProj,
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G4ParticleChange* fParticleChange) = 0;
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//------------------------------------------------------------------------
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// Methods for adjoint processes
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//------------------------------------------------------------------------
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virtual G4double AdjointCrossSection(const G4MaterialCutsCouple* aCouple,
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G4double primEnergy,
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G4bool isScatProjToProj);
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// The implementation of the DiffCrossSection... here are correct for
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// energy loss process. For the photoelectric and Compton scattering
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// the method should be redefined
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virtual G4double DiffCrossSectionPerAtomPrimToSecond(
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G4double kinEnergyProj, // kin energy of primary before interaction
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G4double kinEnergyProd, // kinetic energy of the secondary particle
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G4double Z, G4double A = 0.);
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virtual G4double DiffCrossSectionPerAtomPrimToScatPrim(
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G4double kinEnergyProj, // kin energy of primary before interaction
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G4double kinEnergyScatProj, // kin energy of primary after interaction
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G4double Z, G4double A = 0.);
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virtual G4double DiffCrossSectionPerVolumePrimToSecond(
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const G4Material* aMaterial,
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G4double kinEnergyProj, // kin energy of primary before interaction
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G4double kinEnergyProd // kinetic energy of secondary particle
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);
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virtual G4double DiffCrossSectionPerVolumePrimToScatPrim(
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const G4Material* aMaterial,
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G4double kinEnergyProj, // kin energy of primary before interaction
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G4double kinEnergyScatProj // kinetic energy of primary after interaction
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);
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// Energy limits of adjoint secondary
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//------------------
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virtual G4double GetSecondAdjEnergyMaxForScatProjToProj(
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G4double primAdjEnergy);
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virtual G4double GetSecondAdjEnergyMinForScatProjToProj(
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G4double primAdjEnergy, G4double tcut = 0.);
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virtual G4double GetSecondAdjEnergyMaxForProdToProj(G4double primAdjEnergy);
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virtual G4double GetSecondAdjEnergyMinForProdToProj(G4double primAdjEnergy);
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// Other Methods
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//---------------
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void DefineCurrentMaterial(const G4MaterialCutsCouple* couple);
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std::vector<std::vector<double>*>
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ComputeAdjointCrossSectionVectorPerAtomForSecond(G4double kinEnergyProd,
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G4double Z, G4double A = 0.,
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G4int nbin_pro_decade = 10);
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std::vector<std::vector<double>*>
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ComputeAdjointCrossSectionVectorPerAtomForScatProj(
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G4double kinEnergyProd, G4double Z, G4double A = 0.,
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G4int nbin_pro_decade = 10);
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std::vector<std::vector<double>*>
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ComputeAdjointCrossSectionVectorPerVolumeForSecond(
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G4Material* aMaterial, G4double kinEnergyProd, G4int nbin_pro_decade = 10);
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std::vector<std::vector<double>*>
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ComputeAdjointCrossSectionVectorPerVolumeForScatProj(
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G4Material* aMaterial, G4double kinEnergyProd, G4int nbin_pro_decade = 10);
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inline void SetCSMatrices(std::vector<G4AdjointCSMatrix*>* Vec1CSMatrix,
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std::vector<G4AdjointCSMatrix*>* Vec2CSMatrix)
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{
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fCSMatrixProdToProjBackScat = Vec1CSMatrix;
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fCSMatrixProjToProjBackScat = Vec2CSMatrix;
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};
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inline G4ParticleDefinition*
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GetAdjointEquivalentOfDirectPrimaryParticleDefinition()
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{
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return fAdjEquivDirectPrimPart;
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}
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inline G4ParticleDefinition*
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GetAdjointEquivalentOfDirectSecondaryParticleDefinition()
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{
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return fAdjEquivDirectSecondPart;
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}
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inline G4double GetHighEnergyLimit() { return fHighEnergyLimit; }
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inline G4double GetLowEnergyLimit() { return fLowEnergyLimit; }
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void SetHighEnergyLimit(G4double aVal);
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void SetLowEnergyLimit(G4double aVal);
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inline void DefineDirectEMModel(G4VEmModel* aModel) { fDirectModel = aModel; }
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void SetAdjointEquivalentOfDirectPrimaryParticleDefinition(
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G4ParticleDefinition* aPart);
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inline void SetAdjointEquivalentOfDirectSecondaryParticleDefinition(
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G4ParticleDefinition* aPart)
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{
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fAdjEquivDirectSecondPart = aPart;
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}
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inline void SetSecondPartOfSameType(G4bool aBool)
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{
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fSecondPartSameType = aBool;
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}
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inline G4bool GetSecondPartOfSameType() { return fSecondPartSameType; }
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inline void SetUseMatrix(G4bool aBool) { fUseMatrix = aBool; }
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inline void SetUseMatrixPerElement(G4bool aBool)
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{
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fUseMatrixPerElement = aBool;
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}
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inline void SetUseOnlyOneMatrixForAllElements(G4bool aBool)
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{
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fOneMatrixForAllElements = aBool;
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}
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inline void SetApplyCutInRange(G4bool aBool) { fApplyCutInRange = aBool; }
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inline G4bool GetUseMatrix() { return fUseMatrix; }
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inline G4bool GetUseMatrixPerElement() { return fUseMatrixPerElement; }
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inline G4bool GetUseOnlyOneMatrixForAllElements()
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{
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return fOneMatrixForAllElements;
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}
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inline G4bool GetApplyCutInRange() { return fApplyCutInRange; }
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inline G4String GetName() { return fName; }
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inline virtual void SetCSBiasingFactor(G4double aVal)
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{
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fCsBiasingFactor = aVal;
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}
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inline void SetCorrectWeightForPostStepInModel(G4bool aBool)
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{
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fInModelWeightCorr = aBool;
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}
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inline void SetAdditionalWeightCorrectionFactorForPostStepOutsideModel(
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G4double factor)
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{
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fOutsideWeightFactor = factor;
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}
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G4VEmAdjointModel(G4VEmAdjointModel&) = delete;
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G4VEmAdjointModel& operator=(const G4VEmAdjointModel& right) = delete;
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protected:
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G4double DiffCrossSectionFunction1(G4double kinEnergyProj);
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G4double DiffCrossSectionFunction2(G4double kinEnergyProj);
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// General methods to sample secondary energy
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G4double SampleAdjSecEnergyFromCSMatrix(std::size_t MatrixIndex,
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G4double prim_energy,
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G4bool isScatProjToProj);
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G4double SampleAdjSecEnergyFromCSMatrix(G4double prim_energy,
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G4bool isScatProjToProj);
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void SelectCSMatrix(G4bool isScatProjToProj);
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virtual G4double SampleAdjSecEnergyFromDiffCrossSectionPerAtom(
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G4double prim_energy, G4bool isScatProjToProj);
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// Post Step weight correction
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virtual void CorrectPostStepWeight(G4ParticleChange* fParticleChange,
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G4double old_weight,
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G4double adjointPrimKinEnergy,
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G4double projectileKinEnergy,
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G4bool isScatProjToProj);
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G4AdjointCSManager* fCSManager;
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G4VEmModel* fDirectModel = nullptr;
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const G4String fName;
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G4Material* fSelectedMaterial = nullptr;
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G4Material* fCurrentMaterial = nullptr;
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G4MaterialCutsCouple* fCurrentCouple = nullptr;
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// particle definition
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G4ParticleDefinition* fAdjEquivDirectPrimPart = nullptr;
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G4ParticleDefinition* fAdjEquivDirectSecondPart = nullptr;
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G4ParticleDefinition* fDirectPrimaryPart = nullptr;
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// adjoint CS matrix for each element or material
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std::vector<G4AdjointCSMatrix*>* fCSMatrixProdToProjBackScat = nullptr;
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std::vector<G4AdjointCSMatrix*>* fCSMatrixProjToProjBackScat = nullptr;
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std::vector<G4double> fElementCSScatProjToProj;
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std::vector<G4double> fElementCSProdToProj;
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G4double fKinEnergyProdForIntegration = 0.;
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G4double fKinEnergyScatProjForIntegration = 0.;
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G4double fLastCS = 0.;
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G4double fLastAdjointCSForScatProjToProj = 0.;
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G4double fLastAdjointCSForProdToProj = 0.;
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G4double fPreStepEnergy = 0.;
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G4double fTcutPrim = 0.;
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G4double fTcutSecond = 0.;
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// Energy limits
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G4double fHighEnergyLimit = 0.;
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G4double fLowEnergyLimit = 0.;
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// Cross Section biasing factor
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G4double fCsBiasingFactor = 1.;
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// [1] This is needed for the forced interaction where part of the weight
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// correction is given outside the model while the secondary are created in
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// the model. The weight should be fixed before adding the secondary
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G4double fOutsideWeightFactor = 1.;
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// Needed for CS integration at the initialisation phase
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G4int fASelectedNucleus = 0;
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G4int fZSelectedNucleus = 0;
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std::size_t fCSMatrixUsed = 0; // Index of crosssection matrices used
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G4bool fSecondPartSameType = false;
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G4bool fInModelWeightCorr =
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false; // correct_weight_for_post_step_in_model, see [1]
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G4bool fApplyCutInRange = true;
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// Type of Model with Matrix or not
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G4bool fUseMatrix = false;
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G4bool fUseMatrixPerElement = false; // other possibility is per Material
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G4bool fOneMatrixForAllElements = false;
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};
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#endif
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