#include <G4AdjointeIonisationModel.hh>

Inheritance diagram for G4AdjointeIonisationModel:

Public Member Functions
	G4AdjointeIonisationModel ()

virtual	~G4AdjointeIonisationModel ()

virtual void	SampleSecondaries (const G4Track &aTrack, G4bool IsScatProjToProjCase, G4ParticleChange *fParticleChange)

virtual G4double	DiffCrossSectionPerAtomPrimToSecond (G4double kinEnergyProj, G4double kinEnergyProd, G4double Z, G4double A=0.)

Public Member Functions inherited from G4VEmAdjointModel
	G4VEmAdjointModel (const G4String &nam)

virtual	~G4VEmAdjointModel ()

virtual void	SampleSecondaries (const G4Track &aTrack, G4bool IsScatProjToProjCase, G4ParticleChange *fParticleChange)=0

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, G4double kinEnergyProd, G4double Z, G4double A=0.)

virtual G4double	DiffCrossSectionPerAtomPrimToScatPrim (G4double kinEnergyProj, G4double kinEnergyScatProj, G4double Z, G4double A=0.)

virtual G4double	DiffCrossSectionPerVolumePrimToSecond (const G4Material *aMaterial, G4double kinEnergyProj, G4double kinEnergyProd)

virtual G4double	DiffCrossSectionPerVolumePrimToScatPrim (const G4Material *aMaterial, G4double kinEnergyProj, G4double kinEnergyScatProj)

virtual G4double	GetSecondAdjEnergyMaxForScatProjToProjCase (G4double PrimAdjEnergy)

virtual G4double	GetSecondAdjEnergyMinForScatProjToProjCase (G4double PrimAdjEnergy, G4double Tcut=0)

virtual G4double	GetSecondAdjEnergyMaxForProdToProjCase (G4double PrimAdjEnergy)

virtual G4double	GetSecondAdjEnergyMinForProdToProjCase (G4double PrimAdjEnergy)

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)

void	SetCSMatrices (std::vector< G4AdjointCSMatrix * > Vec1CSMatrix, std::vector< G4AdjointCSMatrix > *Vec2CSMatrix)

G4ParticleDefinition *	GetAdjointEquivalentOfDirectPrimaryParticleDefinition ()

G4ParticleDefinition *	GetAdjointEquivalentOfDirectSecondaryParticleDefinition ()

G4double	GetHighEnergyLimit ()

G4double	GetLowEnergyLimit ()

void	SetHighEnergyLimit (G4double aVal)

void	SetLowEnergyLimit (G4double aVal)

void	DefineDirectEMModel (G4VEmModel *aModel)

void	SetAdjointEquivalentOfDirectPrimaryParticleDefinition (G4ParticleDefinition *aPart)

void	SetAdjointEquivalentOfDirectSecondaryParticleDefinition (G4ParticleDefinition *aPart)

void	SetSecondPartOfSameType (G4bool aBool)

G4bool	GetSecondPartOfSameType ()

void	SetUseMatrix (G4bool aBool)

void	SetUseMatrixPerElement (G4bool aBool)

void	SetUseOnlyOneMatrixForAllElements (G4bool aBool)

void	SetApplyCutInRange (G4bool aBool)

G4bool	GetUseMatrix ()

G4bool	GetUseMatrixPerElement ()

G4bool	GetUseOnlyOneMatrixForAllElements ()

G4bool	GetApplyCutInRange ()

G4String	GetName ()

virtual void	SetCSBiasingFactor (G4double aVal)

void	SetCorrectWeightForPostStepInModel (G4bool aBool)

void	SetAdditionalWeightCorrectionFactorForPostStepOutsideModel (G4double factor)

Additional Inherited Members
Protected Member Functions inherited from G4VEmAdjointModel
G4double	DiffCrossSectionFunction1 (G4double kinEnergyProj)

G4double	DiffCrossSectionFunction2 (G4double kinEnergyProj)

G4double	DiffCrossSectionPerVolumeFunctionForIntegrationOverEkinProj (G4double EkinProd)

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)

virtual void	CorrectPostStepWeight (G4ParticleChange *fParticleChange, G4double old_weight, G4double adjointPrimKinEnergy, G4double projectileKinEnergy, G4bool IsScatProjToProjCase)

Protected Attributes inherited from G4VEmAdjointModel
G4VEmModel *	theDirectEMModel

G4VParticleChange *	pParticleChange

const G4String	name

G4int	ASelectedNucleus

G4int	ZSelectedNucleus

G4Material *	SelectedMaterial

G4double	kinEnergyProdForIntegration

G4double	kinEnergyScatProjForIntegration

G4double	kinEnergyProjForIntegration

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

G4ParticleDefinition *	theAdjEquivOfDirectPrimPartDef

G4ParticleDefinition *	theAdjEquivOfDirectSecondPartDef

G4ParticleDefinition *	theDirectPrimaryPartDef

G4bool	second_part_of_same_type

G4double	preStepEnergy

G4Material *	currentMaterial

G4MaterialCutsCouple *	currentCouple

size_t	currentMaterialIndex

size_t	currentCoupleIndex

G4double	currentTcutForDirectPrim

G4double	currentTcutForDirectSecond

G4bool	ApplyCutInRange

G4double	mass_ratio_product

G4double	mass_ratio_projectile

G4double	HighEnergyLimit

G4double	LowEnergyLimit

G4double	CS_biasing_factor

G4bool	UseMatrix

G4bool	UseMatrixPerElement

G4bool	UseOnlyOneMatrixForAllElements

size_t	indexOfUsedCrossSectionMatrix

size_t	model_index

G4bool	correct_weight_for_post_step_in_model

G4double	additional_weight_correction_factor_for_post_step_outside_model

Detailed Description

Definition at line 51 of file G4AdjointeIonisationModel.hh.

Constructor & Destructor Documentation

◆ G4AdjointeIonisationModel()

G4AdjointeIonisationModel::G4AdjointeIonisationModel ( )

Definition at line 41 of file G4AdjointeIonisationModel.cc.

                                                    :
 G4VEmAdjointModel("Inv_eIon_model")
 
{
  
  UseMatrix =true;
  UseMatrixPerElement = true;
  ApplyCutInRange = true;
  UseOnlyOneMatrixForAllElements = true;
  CS_biasing_factor =1.;
  WithRapidSampling = false; 
  
  theAdjEquivOfDirectPrimPartDef =G4AdjointElectron::AdjointElectron();
  theAdjEquivOfDirectSecondPartDef=G4AdjointElectron::AdjointElectron();
  theDirectPrimaryPartDef=G4Electron::Electron();
  second_part_of_same_type=true;
}

◆ ~G4AdjointeIonisationModel()

G4AdjointeIonisationModel::~G4AdjointeIonisationModel ( )

virtual

Definition at line 60 of file G4AdjointeIonisationModel.cc.

61{;}

Member Function Documentation

◆ DiffCrossSectionPerAtomPrimToSecond()

G4double G4AdjointeIonisationModel::DiffCrossSectionPerAtomPrimToSecond	(	G4double	kinEnergyProj,
		G4double	kinEnergyProd,
		G4double	Z,
		G4double	A = `0.`
	)

virtual

Reimplemented from G4VEmAdjointModel.

Definition at line 175 of file G4AdjointeIonisationModel.cc.

{
 G4double dSigmadEprod=0;
 G4double Emax_proj = GetSecondAdjEnergyMaxForProdToProjCase(kinEnergyProd);
 G4double Emin_proj = GetSecondAdjEnergyMinForProdToProjCase(kinEnergyProd);
 
 
 if (kinEnergyProj>Emin_proj && kinEnergyProj<=Emax_proj){ //the produced particle should have a kinetic energy smaller than the projectile 
    dSigmadEprod=Z*DiffCrossSectionMoller(kinEnergyProj,kinEnergyProd);
 }
 return dSigmadEprod;   
 
 
 
}

◆ SampleSecondaries()

void G4AdjointeIonisationModel::SampleSecondaries	(	const G4Track &	aTrack,
		G4bool	IsScatProjToProjCase,
		G4ParticleChange *	fParticleChange
	)

virtual

Implements G4VEmAdjointModel.

Definition at line 64 of file G4AdjointeIonisationModel.cc.

{ 
 
 
 const G4DynamicParticle* theAdjointPrimary =aTrack.GetDynamicParticle();
  
 //Elastic inverse scattering 
 //---------------------------------------------------------
 G4double adjointPrimKinEnergy = theAdjointPrimary->GetKineticEnergy();
 G4double adjointPrimP =theAdjointPrimary->GetTotalMomentum();
 
 if (adjointPrimKinEnergy>HighEnergyLimit*0.999){
    return;
 }
 
 //Sample secondary energy
 //-----------------------
 G4double projectileKinEnergy;
 if (!WithRapidSampling ) { //used by default
    projectileKinEnergy = SampleAdjSecEnergyFromCSMatrix(adjointPrimKinEnergy, IsScatProjToProjCase);
    
    CorrectPostStepWeight(fParticleChange, 
                  aTrack.GetWeight(), 
                  adjointPrimKinEnergy,
                  projectileKinEnergy,
                  IsScatProjToProjCase); //Caution !!!this weight correction should be always applied
 }
  else { //only  for test at the moment
    
    G4double Emin,Emax;
    if (IsScatProjToProjCase) {
        Emin=GetSecondAdjEnergyMinForScatProjToProjCase(adjointPrimKinEnergy,currentTcutForDirectSecond);
        Emax=GetSecondAdjEnergyMaxForScatProjToProjCase(adjointPrimKinEnergy);
    }
    else {
        Emin=GetSecondAdjEnergyMinForProdToProjCase(adjointPrimKinEnergy);
        Emax=GetSecondAdjEnergyMaxForProdToProjCase(adjointPrimKinEnergy);
    }
    projectileKinEnergy = Emin*std::pow(Emax/Emin,G4UniformRand());
    
    
    
    lastCS=lastAdjointCSForScatProjToProjCase;
    if ( !IsScatProjToProjCase) lastCS=lastAdjointCSForProdToProjCase;
    
    G4double new_weight=aTrack.GetWeight();
    G4double used_diffCS=lastCS*std::log(Emax/Emin)/projectileKinEnergy;
    G4double needed_diffCS=adjointPrimKinEnergy/projectileKinEnergy;
    if (!IsScatProjToProjCase) needed_diffCS *=DiffCrossSectionPerVolumePrimToSecond(currentMaterial,projectileKinEnergy,adjointPrimKinEnergy);
    else needed_diffCS *=DiffCrossSectionPerVolumePrimToScatPrim(currentMaterial,projectileKinEnergy,adjointPrimKinEnergy);
    new_weight*=needed_diffCS/used_diffCS;
    fParticleChange->SetParentWeightByProcess(false);
    fParticleChange->SetSecondaryWeightByProcess(false);
    fParticleChange->ProposeParentWeight(new_weight);
    
  
 }  
                      
 
         
 //Kinematic: 
 //we consider a two body elastic scattering for the forward processes where the projectile knock on an e- at rest  and gives
 // him part of its  energy
 //----------------------------------------------------------------------------------------
 
 G4double projectileM0 = theAdjEquivOfDirectPrimPartDef->GetPDGMass();
 G4double projectileTotalEnergy = projectileM0+projectileKinEnergy;
 G4double projectileP2 = projectileTotalEnergy*projectileTotalEnergy - projectileM0*projectileM0;   
 
 
 
 //Companion
 //-----------
 G4double companionM0 = theAdjEquivOfDirectPrimPartDef->GetPDGMass();
 if (IsScatProjToProjCase) {
    companionM0=theAdjEquivOfDirectSecondPartDef->GetPDGMass();
 } 
 G4double companionTotalEnergy =companionM0+ projectileKinEnergy-adjointPrimKinEnergy;
 G4double companionP2 = companionTotalEnergy*companionTotalEnergy - companionM0*companionM0;    
 
 
 //Projectile momentum
 //--------------------
 G4double  P_parallel = (adjointPrimP*adjointPrimP +  projectileP2 - companionP2)/(2.*adjointPrimP);
 G4double  P_perp = std::sqrt( projectileP2 -  P_parallel*P_parallel);
 G4ThreeVector dir_parallel=theAdjointPrimary->GetMomentumDirection();
 G4double phi =G4UniformRand()*2.*3.1415926;
 G4ThreeVector projectileMomentum = G4ThreeVector(P_perp*std::cos(phi),P_perp*std::sin(phi),P_parallel);
 projectileMomentum.rotateUz(dir_parallel);
 
 
 
 if (!IsScatProjToProjCase ){ //kill the primary and add a secondary
    fParticleChange->ProposeTrackStatus(fStopAndKill);
    fParticleChange->AddSecondary(new G4DynamicParticle(theAdjEquivOfDirectPrimPartDef,projectileMomentum));
    //G4cout<<"projectileMomentum "<<projectileMomentum<<G4endl;
 }
 else {
    fParticleChange->ProposeEnergy(projectileKinEnergy);
    fParticleChange->ProposeMomentumDirection(projectileMomentum.unit());
 }  
        
 
  
 
}

The documentation for this class was generated from the following files:

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ G4AdjointeIonisationModel()

◆ ~G4AdjointeIonisationModel()

Member Function Documentation

◆ DiffCrossSectionPerAtomPrimToSecond()

◆ SampleSecondaries()