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geant4/source/processes/electromagnetic/adjoint/include/G4VEmAdjointModel.hh
T
Gabriele Cosmo db49709b53 Import Geant4 10.5.0 source tree
2018-12-07 15:15:39 +01:00

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//
// ********************************************************************
// * 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. *
// ********************************************************************
//
//
/////////////////////////////////////////////////////////////////////////////////
// Module: G4VEMAdjointModel
// Author: L. Desorgher
// Organisation: SpaceIT GmbH
// Contract: ESA contract 21435/08/NL/AT
// Customer: ESA/ESTEC
/////////////////////////////////////////////////////////////////////////////////
//
// CHANGE HISTORY
// --------------
// ChangeHistory:
// 10 September 2009 Move to a virtual class. L. Desorgher
// 1st April 2007 creation by L. Desorgher
//
//-------------------------------------------------------------
// Documentation:
// Base class for Adjoint EM model. It is based on the use of direct G4VEmModel.
//
#ifndef G4VEmAdjointModel_h
#define G4VEmAdjointModel_h 1
#include "globals.hh"
#include "G4DynamicParticle.hh"
#include "G4ParticleDefinition.hh"
#include "G4MaterialCutsCouple.hh"
#include "G4Material.hh"
#include "G4Element.hh"
#include "G4ElementVector.hh"
#include "Randomize.hh"
#include "G4ParticleDefinition.hh"
#include "G4VEmModel.hh"
#include "G4Electron.hh"
#include "G4Gamma.hh"
#include "G4ProductionCutsTable.hh"
class G4PhysicsTable;
class G4Region;
class G4VParticleChange;
class G4ParticleChange;
class G4Track;
class G4AdjointCSMatrix;
class G4VEmAdjointModel
{
public: // public methods
G4VEmAdjointModel(const G4String& nam);
virtual ~G4VEmAdjointModel();
//------------------------------------------------------------------------
// Virtual methods to be implemented for the sample secondaries concrete model
//------------------------------------------------------------------------
//virtual void Initialise()=0;
virtual void SampleSecondaries(const G4Track& aTrack,
G4bool IsScatProjToProjCase,
G4ParticleChange* fParticleChange)=0;
//------------------------------------------------------------------------
// Methods for adjoint processes; may be overwritten if needed;
//------------------------------------------------------------------------
virtual G4double AdjointCrossSection(const G4MaterialCutsCouple* aCouple,
G4double primEnergy,
G4bool IsScatProjToProjCase);
virtual G4double GetAdjointCrossSection(const G4MaterialCutsCouple* aCouple,
G4double primEnergy,
G4bool IsScatProjToProjCase);
virtual G4double DiffCrossSectionPerAtomPrimToSecond(
G4double kinEnergyProj, // kinetic energy of the primary particle before the interaction
G4double kinEnergyProd, // kinetic energy of the secondary particle
G4double Z,
G4double A = 0.);
virtual G4double DiffCrossSectionPerAtomPrimToScatPrim(
G4double kinEnergyProj, // kinetic energy of the primary particle before the interaction
G4double kinEnergyScatProj, // kinetic energy of the primary particle after the interaction
G4double Z,
G4double A = 0.);
virtual G4double DiffCrossSectionPerVolumePrimToSecond(
const G4Material* aMaterial,
G4double kinEnergyProj, // kinetic energy of the primary particle before the interaction
G4double kinEnergyProd // kinetic energy of the secondary particle
);
virtual G4double DiffCrossSectionPerVolumePrimToScatPrim(
const G4Material* aMaterial,
G4double kinEnergyProj, // kinetic energy of the primary particle before the interaction
G4double kinEnergyScatProj // kinetic energy of the primary particle after the interaction
);
//Energy limits of adjoint secondary
//------------------
virtual G4double GetSecondAdjEnergyMaxForScatProjToProjCase(G4double PrimAdjEnergy);
virtual G4double GetSecondAdjEnergyMinForScatProjToProjCase(G4double PrimAdjEnergy,G4double Tcut=0);
virtual G4double GetSecondAdjEnergyMaxForProdToProjCase(G4double PrimAdjEnergy);
virtual G4double GetSecondAdjEnergyMinForProdToProjCase(G4double PrimAdjEnergy);
//Other Methods
//---------------
void DefineCurrentMaterial(const G4MaterialCutsCouple* couple);
std::vector< std::vector< double>* > ComputeAdjointCrossSectionVectorPerAtomForSecond(
G4double kinEnergyProd,
G4double Z,
G4double A = 0.,
G4int nbin_pro_decade=10
);
std::vector< std::vector< double>* > ComputeAdjointCrossSectionVectorPerAtomForScatProj(
G4double kinEnergyProd,
G4double Z,
G4double A = 0.,
G4int nbin_pro_decade=10
);
std::vector< std::vector< double>* > ComputeAdjointCrossSectionVectorPerVolumeForSecond(
G4Material* aMaterial,
G4double kinEnergyProd,
G4int nbin_pro_decade=10
);
std::vector< std::vector< double>* > ComputeAdjointCrossSectionVectorPerVolumeForScatProj(
G4Material* aMaterial,
G4double kinEnergyProd,
G4int nbin_pro_decade=10
);
inline void SetCSMatrices(std::vector< G4AdjointCSMatrix* >* Vec1CSMatrix, std::vector< G4AdjointCSMatrix* >* Vec2CSMatrix){
pOnCSMatrixForProdToProjBackwardScattering = Vec1CSMatrix;
pOnCSMatrixForScatProjToProjBackwardScattering = Vec2CSMatrix;
};
inline G4ParticleDefinition* GetAdjointEquivalentOfDirectPrimaryParticleDefinition(){return theAdjEquivOfDirectPrimPartDef;}
inline G4ParticleDefinition* GetAdjointEquivalentOfDirectSecondaryParticleDefinition(){return theAdjEquivOfDirectSecondPartDef;}
inline G4double GetHighEnergyLimit(){return HighEnergyLimit;}
inline G4double GetLowEnergyLimit(){return LowEnergyLimit;}
void SetHighEnergyLimit(G4double aVal);
void SetLowEnergyLimit(G4double aVal);
inline void DefineDirectEMModel(G4VEmModel* aModel){theDirectEMModel = aModel;}
void SetAdjointEquivalentOfDirectPrimaryParticleDefinition(G4ParticleDefinition* aPart);
inline void SetAdjointEquivalentOfDirectSecondaryParticleDefinition(G4ParticleDefinition* aPart){
theAdjEquivOfDirectSecondPartDef =aPart;
}
inline void SetSecondPartOfSameType(G4bool aBool){second_part_of_same_type =aBool;}
inline G4bool GetSecondPartOfSameType(){return second_part_of_same_type;}
inline void SetUseMatrix(G4bool aBool) { UseMatrix = aBool;}
inline void SetUseMatrixPerElement(G4bool aBool){ UseMatrixPerElement = aBool;}
inline void SetUseOnlyOneMatrixForAllElements(G4bool aBool){ UseOnlyOneMatrixForAllElements = aBool;}
inline void SetApplyCutInRange(G4bool aBool){ ApplyCutInRange = aBool;}
inline G4bool GetUseMatrix() {return UseMatrix;}
inline G4bool GetUseMatrixPerElement(){ return UseMatrixPerElement;}
inline G4bool GetUseOnlyOneMatrixForAllElements(){ return UseOnlyOneMatrixForAllElements;}
inline G4bool GetApplyCutInRange(){ return ApplyCutInRange;}
inline G4String GetName(){ return name;}
inline virtual void SetCSBiasingFactor(G4double aVal) {CS_biasing_factor = aVal;}
inline void SetCorrectWeightForPostStepInModel(G4bool aBool) {correct_weight_for_post_step_in_model = aBool;}
inline void SetAdditionalWeightCorrectionFactorForPostStepOutsideModel(G4double factor) {additional_weight_correction_factor_for_post_step_outside_model = factor;}
protected:
//Some of them can be overriden by daughter classes
G4double DiffCrossSectionFunction1(G4double kinEnergyProj);
G4double DiffCrossSectionFunction2(G4double kinEnergyProj);
G4double DiffCrossSectionPerVolumeFunctionForIntegrationOverEkinProj(G4double EkinProd);
//General methods to sample secondary energy
//--------------------------------------
G4double SampleAdjSecEnergyFromCSMatrix(size_t MatrixIndex,G4double prim_energy,G4bool IsScatProjToProjCase);
G4double SampleAdjSecEnergyFromCSMatrix(G4double prim_energy,G4bool IsScatProjToProjCase);
void SelectCSMatrix(G4bool IsScatProjToProjCase);
virtual G4double SampleAdjSecEnergyFromDiffCrossSectionPerAtom(G4double prim_energy,G4bool IsScatProjToProjCase);
//Post Step weight correction
//----------------------------
virtual void CorrectPostStepWeight(G4ParticleChange* fParticleChange,
G4double old_weight,
G4double adjointPrimKinEnergy,
G4double projectileKinEnergy,
G4bool IsScatProjToProjCase);
protected: //attributes
G4VEmModel* theDirectEMModel;
G4VParticleChange* pParticleChange;
//Name
//-----
const G4String name;
//Needed for CS integration at the initialisation phase
//-----------------------------------------------------
G4int ASelectedNucleus;
G4int ZSelectedNucleus;
G4Material* SelectedMaterial;
G4double kinEnergyProdForIntegration;
G4double kinEnergyScatProjForIntegration;
G4double kinEnergyProjForIntegration;
//for the adjoint simulation we need for each element or material:
//an adjoint CS Matrix
//-----------------------------
std::vector< G4AdjointCSMatrix* >* pOnCSMatrixForProdToProjBackwardScattering;
std::vector< G4AdjointCSMatrix* >* pOnCSMatrixForScatProjToProjBackwardScattering;
std::vector<G4double> CS_Vs_ElementForScatProjToProjCase;
std::vector<G4double> CS_Vs_ElementForProdToProjCase;
G4double lastCS;
G4double lastAdjointCSForScatProjToProjCase;
G4double lastAdjointCSForProdToProjCase;
//particle definition
//------------------
G4ParticleDefinition* theAdjEquivOfDirectPrimPartDef;
G4ParticleDefinition* theAdjEquivOfDirectSecondPartDef;
G4ParticleDefinition* theDirectPrimaryPartDef;
G4bool second_part_of_same_type;
//Prestep energy
//-------------
G4double preStepEnergy;
//Current couple material
//----------------------
G4Material* currentMaterial;
G4MaterialCutsCouple* currentCouple;
size_t currentMaterialIndex;
size_t currentCoupleIndex;
G4double currentTcutForDirectPrim;
G4double currentTcutForDirectSecond;
G4bool ApplyCutInRange;
//For ions
//---------
G4double mass_ratio_product;
G4double mass_ratio_projectile;
//Energy limits
//-------------
G4double HighEnergyLimit;
G4double LowEnergyLimit;
//Cross Section biasing factor
//---------------------------
G4double CS_biasing_factor;
//Type of Model with Matrix or not
//--------------------------------
G4bool UseMatrix;
G4bool UseMatrixPerElement; //other possibility is per Material
G4bool UseOnlyOneMatrixForAllElements;
//Index of Cross section matrices to be used
//------------
size_t indexOfUsedCrossSectionMatrix;
size_t model_index;
//This is needed for the forced interaction where part of the weight correction
// is given outside the model while the secondary are created in the model
//The weight should be fixed before adding the secondary
G4bool correct_weight_for_post_step_in_model;
G4double additional_weight_correction_factor_for_post_step_outside_model;
};
#endif
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