Geant4 11.1.1
Toolkit for the simulation of the passage of particles through matter
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Public Member Functions | List of all members
G4PolarizedGammaConversionModel Class Reference

#include <G4PolarizedGammaConversionModel.hh>

+ Inheritance diagram for G4PolarizedGammaConversionModel:

Public Member Functions

 G4PolarizedGammaConversionModel (const G4ParticleDefinition *p=nullptr, const G4String &nam="polConv")
 
virtual ~G4PolarizedGammaConversionModel () override
 
virtual void Initialise (const G4ParticleDefinition *, const G4DataVector &) override
 
virtual void SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy) override
 
const G4Element * SelectedAtom ()
 
G4PolarizedGammaConversionModel & operator= (const G4PolarizedGammaConversionModel &right)=delete
 
 G4PolarizedGammaConversionModel (const G4PolarizedGammaConversionModel &)=delete
 
- Public Member Functions inherited from G4BetheHeitlerModel
 G4BetheHeitlerModel (const G4ParticleDefinition *p=nullptr, const G4String &nam="BetheHeitler")
 
 ~G4BetheHeitlerModel () override
 
void Initialise (const G4ParticleDefinition *, const G4DataVector &) override
 
void InitialiseLocal (const G4ParticleDefinition *, G4VEmModel *masterModel) override
 
G4double ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0., G4double cut=0., G4double emax=DBL_MAX) override
 
void SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy) override
 
G4BetheHeitlerModel & operator= (const G4BetheHeitlerModel &right)=delete
 
 G4BetheHeitlerModel (const G4BetheHeitlerModel &)=delete
 
- Public Member Functions inherited from G4VEmModel
 G4VEmModel (const G4String &nam)
 
virtual ~G4VEmModel ()
 
virtual void Initialise (const G4ParticleDefinition *, const G4DataVector &)=0
 
virtual void SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin=0.0, G4double tmax=DBL_MAX)=0
 
virtual void InitialiseLocal (const G4ParticleDefinition *, G4VEmModel *masterModel)
 
virtual void InitialiseForMaterial (const G4ParticleDefinition *, const G4Material *)
 
virtual void InitialiseForElement (const G4ParticleDefinition *, G4int Z)
 
virtual G4double ComputeDEDXPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
 
virtual G4double CrossSectionPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
virtual G4double GetPartialCrossSection (const G4Material *, G4int level, const G4ParticleDefinition *, G4double kineticEnergy)
 
virtual G4double ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0., G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
virtual G4double ComputeCrossSectionPerShell (const G4ParticleDefinition *, G4int Z, G4int shellIdx, G4double kinEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
virtual G4double ChargeSquareRatio (const G4Track &)
 
virtual G4double GetChargeSquareRatio (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual G4double GetParticleCharge (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual void StartTracking (G4Track *)
 
virtual void CorrectionsAlongStep (const G4MaterialCutsCouple *, const G4DynamicParticle *, const G4double &length, G4double &eloss)
 
virtual G4double Value (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy)
 
virtual G4double MinPrimaryEnergy (const G4Material *, const G4ParticleDefinition *, G4double cut=0.0)
 
virtual G4double MinEnergyCut (const G4ParticleDefinition *, const G4MaterialCutsCouple *)
 
virtual void SetupForMaterial (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual void DefineForRegion (const G4Region *)
 
virtual void FillNumberOfSecondaries (G4int &numberOfTriplets, G4int &numberOfRecoil)
 
virtual void ModelDescription (std::ostream &outFile) const
 
void InitialiseElementSelectors (const G4ParticleDefinition *, const G4DataVector &)
 
std::vector< G4EmElementSelector * > * GetElementSelectors ()
 
void SetElementSelectors (std::vector< G4EmElementSelector * > *)
 
G4double ComputeDEDX (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
 
G4double CrossSection (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
G4double ComputeMeanFreePath (const G4ParticleDefinition *, G4double kineticEnergy, const G4Material *, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
G4double ComputeCrossSectionPerAtom (const G4ParticleDefinition *, const G4Element *, G4double kinEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
const G4Element * SelectRandomAtom (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
const G4Element * SelectTargetAtom (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double logKineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
const G4Element * SelectRandomAtom (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
const G4Element * GetCurrentElement (const G4Material *mat=nullptr) const
 
G4int SelectRandomAtomNumber (const G4Material *) const
 
const G4Isotope * GetCurrentIsotope (const G4Element *elm=nullptr) const
 
G4int SelectIsotopeNumber (const G4Element *) const
 
void SetParticleChange (G4VParticleChange *, G4VEmFluctuationModel *f=nullptr)
 
void SetCrossSectionTable (G4PhysicsTable *, G4bool isLocal)
 
G4ElementData * GetElementData ()
 
G4PhysicsTable * GetCrossSectionTable ()
 
G4VEmFluctuationModel * GetModelOfFluctuations ()
 
G4VEmAngularDistribution * GetAngularDistribution ()
 
G4VEmModel * GetTripletModel ()
 
void SetTripletModel (G4VEmModel *)
 
void SetAngularDistribution (G4VEmAngularDistribution *)
 
G4double HighEnergyLimit () const
 
G4double LowEnergyLimit () const
 
G4double HighEnergyActivationLimit () const
 
G4double LowEnergyActivationLimit () const
 
G4double PolarAngleLimit () const
 
G4double SecondaryThreshold () const
 
G4bool LPMFlag () const
 
G4bool DeexcitationFlag () const
 
G4bool ForceBuildTableFlag () const
 
G4bool UseAngularGeneratorFlag () const
 
void SetAngularGeneratorFlag (G4bool)
 
void SetHighEnergyLimit (G4double)
 
void SetLowEnergyLimit (G4double)
 
void SetActivationHighEnergyLimit (G4double)
 
void SetActivationLowEnergyLimit (G4double)
 
G4bool IsActive (G4double kinEnergy) const
 
void SetPolarAngleLimit (G4double)
 
void SetSecondaryThreshold (G4double)
 
void SetLPMFlag (G4bool val)
 
void SetDeexcitationFlag (G4bool val)
 
void SetForceBuildTable (G4bool val)
 
void SetFluctuationFlag (G4bool val)
 
void SetMasterThread (G4bool val)
 
G4bool IsMaster () const
 
void SetUseBaseMaterials (G4bool val)
 
G4bool UseBaseMaterials () const
 
G4double MaxSecondaryKinEnergy (const G4DynamicParticle *dynParticle)
 
const G4String & GetName () const
 
void SetCurrentCouple (const G4MaterialCutsCouple *)
 
G4bool IsLocked () const
 
void SetLocked (G4bool)
 
G4VEmModel & operator= (const G4VEmModel &right)=delete
 
 G4VEmModel (const G4VEmModel &)=delete
 

Additional Inherited Members

- Protected Member Functions inherited from G4BetheHeitlerModel
G4double ScreenFunction1 (const G4double delta)
 
G4double ScreenFunction2 (const G4double delta)
 
void ScreenFunction12 (const G4double delta, G4double &f1, G4double &f2)
 
void InitialiseElementData ()
 
- Protected Member Functions inherited from G4VEmModel
G4ParticleChangeForLoss * GetParticleChangeForLoss ()
 
G4ParticleChangeForGamma * GetParticleChangeForGamma ()
 
virtual G4double MaxSecondaryEnergy (const G4ParticleDefinition *, G4double kineticEnergy)
 
const G4MaterialCutsCouple * CurrentCouple () const
 
void SetCurrentElement (const G4Element *)
 
- Protected Attributes inherited from G4BetheHeitlerModel
G4Pow * fG4Calc
 
const G4ParticleDefinition * fTheGamma
 
const G4ParticleDefinition * fTheElectron
 
const G4ParticleDefinition * fThePositron
 
G4ParticleChangeForGamma * fParticleChange
 
- Protected Attributes inherited from G4VEmModel
G4ElementData * fElementData = nullptr
 
G4VParticleChange * pParticleChange = nullptr
 
G4PhysicsTable * xSectionTable = nullptr
 
const G4Material * pBaseMaterial = nullptr
 
const std::vector< G4double > * theDensityFactor = nullptr
 
const std::vector< G4int > * theDensityIdx = nullptr
 
G4double inveplus
 
G4double pFactor = 1.0
 
size_t currentCoupleIndex = 0
 
size_t basedCoupleIndex = 0
 
G4bool lossFlucFlag = true
 
- Static Protected Attributes inherited from G4BetheHeitlerModel
static const G4int gMaxZet = 120
 
static std::vector< ElementData * > gElementData
 

Detailed Description

Definition at line 51 of file G4PolarizedGammaConversionModel.hh.

Constructor & Destructor Documentation

◆ G4PolarizedGammaConversionModel() [1/2]

G4PolarizedGammaConversionModel::G4PolarizedGammaConversionModel ( const G4ParticleDefinition *  p = nullptr,
const G4String &  nam = "polConv" 
)
explicit

Definition at line 48 of file G4PolarizedGammaConversionModel.cc.

50 : G4BetheHeitlerModel(pd, nam)
51 , fCrossSectionCalculator(nullptr)
52{}

◆ ~G4PolarizedGammaConversionModel()

G4PolarizedGammaConversionModel::~G4PolarizedGammaConversionModel ( )
overridevirtual

Definition at line 55 of file G4PolarizedGammaConversionModel.cc.

56{
57 if(fCrossSectionCalculator)
58 delete fCrossSectionCalculator;
59}

◆ G4PolarizedGammaConversionModel() [2/2]

G4PolarizedGammaConversionModel::G4PolarizedGammaConversionModel ( const G4PolarizedGammaConversionModel &  )
delete

Member Function Documentation

◆ Initialise()

void G4PolarizedGammaConversionModel::Initialise ( const G4ParticleDefinition *  pd,
const G4DataVector &  dv 
)
overridevirtual

Implements G4VEmModel.

Definition at line 62 of file G4PolarizedGammaConversionModel.cc.

64{
65 G4BetheHeitlerModel::Initialise(pd, dv);
66 if(!fCrossSectionCalculator)
67 fCrossSectionCalculator = new G4PolarizedGammaConversionXS();
68}
G4BetheHeitlerModel::Initialise
void Initialise(const G4ParticleDefinition *, const G4DataVector &) override
Definition: G4BetheHeitlerModel.cc:81

◆ operator=()

G4PolarizedGammaConversionModel & G4PolarizedGammaConversionModel::operator= ( const G4PolarizedGammaConversionModel &  right)
delete

◆ SampleSecondaries()

void G4PolarizedGammaConversionModel::SampleSecondaries ( std::vector< G4DynamicParticle * > *  vdp,
const G4MaterialCutsCouple *  couple,
const G4DynamicParticle *  dp,
G4double  tmin,
G4double  maxEnergy 
)
overridevirtual

Implements G4VEmModel.

Definition at line 71 of file G4PolarizedGammaConversionModel.cc.

74{
75 G4BetheHeitlerModel::SampleSecondaries(vdp, couple, dp, tmin, maxEnergy);
76
77 if(vdp && vdp->size() > 0)
78 {
79 G4double gamEnergy0 = dp->GetKineticEnergy();
80 G4double lepEnergy1 = (*vdp)[0]->GetKineticEnergy();
81 G4double sintheta =
82 dp->GetMomentumDirection().cross((*vdp)[0]->GetMomentumDirection()).mag();
83 if(sintheta > 1.)
84 sintheta = 1.;
85
86 G4StokesVector beamPol = G4StokesVector(dp->GetPolarization());
87 beamPol.SetPhoton();
88
89 // determine interaction plane
90 G4ThreeVector nInteractionFrame = G4PolarizationHelper::GetFrame(
91 dp->GetMomentumDirection(), (*vdp)[0]->GetMomentumDirection());
92
93 // transform polarization into interaction frame
94 beamPol.InvRotateAz(nInteractionFrame, dp->GetMomentumDirection());
95
96 // calculate polarization transfer
97 fCrossSectionCalculator->SetMaterial(
98 GetCurrentElement()->GetN(), // number of nucleons
99 GetCurrentElement()->GetZ(), GetCurrentElement()->GetfCoulomb());
100 fCrossSectionCalculator->Initialize(gamEnergy0, lepEnergy1, sintheta,
101 beamPol, G4StokesVector::ZERO);
102
103 // determine final state polarization
104 G4StokesVector lep1Pol = fCrossSectionCalculator->GetPol2();
105 lep1Pol.RotateAz(nInteractionFrame, (*vdp)[0]->GetMomentumDirection());
106 (*vdp)[0]->SetPolarization(lep1Pol.p1(), lep1Pol.p2(), lep1Pol.p3());
107
108 size_t num = vdp->size();
109 if(num != 2)
110 {
111 G4ExceptionDescription ed;
112 ed << " WARNING " << num
113 << " secondaries in polarized pairproduction not supported!\n";
114 G4Exception("G4PolarizedGammaConversionModel::SampleSecondaries",
115 "pol018", JustWarning, ed);
116 }
117 for(size_t i = 1; i < num; ++i)
118 {
119 G4StokesVector lep2Pol = fCrossSectionCalculator->GetPol3();
120 lep2Pol.RotateAz(nInteractionFrame, (*vdp)[i]->GetMomentumDirection());
121 (*vdp)[i]->SetPolarization(lep2Pol.p1(), lep2Pol.p2(), lep2Pol.p3());
122 }
123 }
124}
JustWarning
@ JustWarning
Definition: G4ExceptionSeverity.hh:65
G4Exception
void G4Exception(const char *originOfException, const char *exceptionCode, G4ExceptionSeverity severity, const char *description)
Definition: G4Exception.cc:59
G4ExceptionDescription
std::ostringstream G4ExceptionDescription
Definition: G4Exception.hh:40
G4double
double G4double
Definition: G4Types.hh:83
CLHEP::Hep3Vector::cross
Hep3Vector cross(const Hep3Vector &) const
CLHEP::Hep3Vector::mag
double mag() const
G4BetheHeitlerModel::SampleSecondaries
void SampleSecondaries(std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy) override
Definition: G4BetheHeitlerModel.cc:175
G4DynamicParticle::GetMomentumDirection
const G4ThreeVector & GetMomentumDirection() const
G4DynamicParticle::GetKineticEnergy
G4double GetKineticEnergy() const
G4DynamicParticle::GetPolarization
const G4ThreeVector & GetPolarization() const
G4PolarizationHelper::GetFrame
static G4ThreeVector GetFrame(const G4ThreeVector &, const G4ThreeVector &)
Definition: G4PolarizationHelper.cc:41
G4PolarizedGammaConversionXS::Initialize
void Initialize(G4double eps, G4double X, G4double phi, const G4StokesVector &p0, const G4StokesVector &p1, G4int flag=0) override
Definition: G4PolarizedGammaConversionXS.cc:51
G4StokesVector::p3
G4double p3() const
Definition: G4StokesVector.hh:56
G4StokesVector::p1
G4double p1() const
Definition: G4StokesVector.hh:54
G4StokesVector::ZERO
static const G4StokesVector ZERO
Definition: G4StokesVector.hh:90
G4StokesVector::InvRotateAz
void InvRotateAz(G4ThreeVector nInteractionFrame, G4ThreeVector particleDirection)
Definition: G4StokesVector.cc:100
G4StokesVector::p2
G4double p2() const
Definition: G4StokesVector.hh:55
G4StokesVector::RotateAz
void RotateAz(G4ThreeVector nInteractionFrame, G4ThreeVector particleDirection)
Definition: G4StokesVector.cc:67
G4VEmModel::GetCurrentElement
const G4Element * GetCurrentElement(const G4Material *mat=nullptr) const
Definition: G4VEmModel.cc:242
G4VPolarizedXS::SetMaterial
void SetMaterial(G4double A, G4double Z, G4double coul)
Definition: G4VPolarizedXS.hh:71

◆ SelectedAtom()

const G4Element * G4PolarizedGammaConversionModel::SelectedAtom ( )
inline

Definition at line 79 of file G4PolarizedGammaConversionModel.hh.

80{
81 return GetCurrentElement();
82}
The documentation for this class was generated from the following files: