G4ChargeExchangeProcess Class Reference

#include <G4ChargeExchangeProcess.hh>

Inheritance diagram for G4ChargeExchangeProcess:

Public Member Functions
	G4ChargeExchangeProcess (const G4String &procName="chargeExchange")
virtual	~G4ChargeExchangeProcess ()
virtual G4bool	IsApplicable (const G4ParticleDefinition &aParticleType)
virtual void	BuildPhysicsTable (const G4ParticleDefinition &aParticleType)
virtual void	DumpPhysicsTable (const G4ParticleDefinition &aParticleType)
virtual G4double	GetElementCrossSection (const G4DynamicParticle *aParticle, const G4Element *anElement, const G4Material *mat=0)
Public Member Functions inherited from G4HadronicProcess
	G4HadronicProcess (const G4String &processName="Hadronic", G4ProcessType procType=fHadronic)
	G4HadronicProcess (const G4String &processName, G4HadronicProcessType subType)
	~G4HadronicProcess () override
void	RegisterMe (G4HadronicInteraction *a)
G4double	GetElementCrossSection (const G4DynamicParticle *part, const G4Element *elm, const G4Material *mat=nullptr)
G4double	GetMicroscopicCrossSection (const G4DynamicParticle *part, const G4Element *elm, const G4Material *mat=nullptr)
void	StartTracking (G4Track *track) override
G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double, G4ForceCondition *) override
G4VParticleChange *	PostStepDoIt (const G4Track &aTrack, const G4Step &aStep) override
void	PreparePhysicsTable (const G4ParticleDefinition &) override
void	BuildPhysicsTable (const G4ParticleDefinition &) override
void	DumpPhysicsTable (const G4ParticleDefinition &p)
void	AddDataSet (G4VCrossSectionDataSet *aDataSet)
std::vector< G4HadronicInteraction * > &	GetHadronicInteractionList ()
G4HadronicInteraction *	GetHadronicModel (const G4String &)
G4HadronicInteraction *	GetHadronicInteraction () const
G4double	GetMeanFreePath (const G4Track &aTrack, G4double, G4ForceCondition *) override
const G4Nucleus *	GetTargetNucleus () const
G4Nucleus *	GetTargetNucleusPointer ()
const G4Isotope *	GetTargetIsotope ()
G4double	ComputeCrossSection (const G4ParticleDefinition *, const G4Material *, const G4double kinEnergy)
G4HadXSType	CrossSectionType () const
void	SetCrossSectionType (G4HadXSType val)
void	ProcessDescription (std::ostream &outFile) const override
void	BiasCrossSectionByFactor (G4double aScale)
void	MultiplyCrossSectionBy (G4double factor)
G4double	CrossSectionFactor () const
void	SetIntegral (G4bool val)
void	SetEpReportLevel (G4int level)
void	SetEnergyMomentumCheckLevels (G4double relativeLevel, G4double absoluteLevel)
std::pair< G4double, G4double >	GetEnergyMomentumCheckLevels () const
G4CrossSectionDataStore *	GetCrossSectionDataStore ()
std::vector< G4TwoPeaksHadXS * > *	TwoPeaksXS () const
std::vector< G4double > *	EnergyOfCrossSectionMax () const
G4HadronicProcess &	operator= (const G4HadronicProcess &right)=delete
	G4HadronicProcess (const G4HadronicProcess &)=delete
Public Member Functions inherited from G4VDiscreteProcess
	G4VDiscreteProcess (const G4String &aName, G4ProcessType aType=fNotDefined)
	G4VDiscreteProcess (G4VDiscreteProcess &)
virtual	~G4VDiscreteProcess ()
G4VDiscreteProcess &	operator= (const G4VDiscreteProcess &)=delete
virtual G4double	AlongStepGetPhysicalInteractionLength (const G4Track &, G4double, G4double, G4double &, G4GPILSelection *)
virtual G4double	AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *)
virtual G4VParticleChange *	AtRestDoIt (const G4Track &, const G4Step &)
virtual G4VParticleChange *	AlongStepDoIt (const G4Track &, const G4Step &)
virtual G4double	GetCrossSection (const G4double, const G4MaterialCutsCouple *)
virtual G4double	MinPrimaryEnergy (const G4ParticleDefinition *, const G4Material *)
Public Member Functions inherited from G4VProcess
	G4VProcess (const G4String &aName="NoName", G4ProcessType aType=fNotDefined)
	G4VProcess (const G4VProcess &right)
virtual	~G4VProcess ()
G4VProcess &	operator= (const G4VProcess &)=delete
G4bool	operator== (const G4VProcess &right) const
G4bool	operator!= (const G4VProcess &right) const
G4double	GetCurrentInteractionLength () const
void	SetPILfactor (G4double value)
G4double	GetPILfactor () const
G4double	AlongStepGPIL (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)
G4double	AtRestGPIL (const G4Track &track, G4ForceCondition *condition)
G4double	PostStepGPIL (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
virtual G4bool	StorePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)
virtual G4bool	RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)
const G4String &	GetPhysicsTableFileName (const G4ParticleDefinition *, const G4String &directory, const G4String &tableName, G4bool ascii=false)
const G4String &	GetProcessName () const
G4ProcessType	GetProcessType () const
void	SetProcessType (G4ProcessType)
G4int	GetProcessSubType () const
void	SetProcessSubType (G4int)
virtual const G4VProcess *	GetCreatorProcess () const
virtual void	EndTracking ()
virtual void	SetProcessManager (const G4ProcessManager *)
virtual const G4ProcessManager *	GetProcessManager ()
virtual void	ResetNumberOfInteractionLengthLeft ()
G4double	GetNumberOfInteractionLengthLeft () const
G4double	GetTotalNumberOfInteractionLengthTraversed () const
G4bool	isAtRestDoItIsEnabled () const
G4bool	isAlongStepDoItIsEnabled () const
G4bool	isPostStepDoItIsEnabled () const
virtual void	DumpInfo () const
void	SetVerboseLevel (G4int value)
G4int	GetVerboseLevel () const
virtual void	SetMasterProcess (G4VProcess *masterP)
const G4VProcess *	GetMasterProcess () const
virtual void	BuildWorkerPhysicsTable (const G4ParticleDefinition &part)
virtual void	PrepareWorkerPhysicsTable (const G4ParticleDefinition &)

Additional Inherited Members
Static Public Member Functions inherited from G4VProcess
static const G4String &	GetProcessTypeName (G4ProcessType)
Protected Member Functions inherited from G4HadronicProcess
G4HadronicInteraction *	ChooseHadronicInteraction (const G4HadProjectile &aHadProjectile, G4Nucleus &aTargetNucleus, const G4Material *aMaterial, const G4Element *anElement)
G4double	GetLastCrossSection ()
void	FillResult (G4HadFinalState *aR, const G4Track &aT)
void	DumpState (const G4Track &, const G4String &, G4ExceptionDescription &)
G4HadFinalState *	CheckResult (const G4HadProjectile &thePro, const G4Nucleus &targetNucleus, G4HadFinalState *result)
void	CheckEnergyMomentumConservation (const G4Track &, const G4Nucleus &)
Protected Member Functions inherited from G4VDiscreteProcess
Protected Member Functions inherited from G4VProcess
void	SubtractNumberOfInteractionLengthLeft (G4double prevStepSize)
void	ClearNumberOfInteractionLengthLeft ()
Protected Attributes inherited from G4HadronicProcess
G4HadProjectile	thePro
G4ParticleChange *	theTotalResult
G4CrossSectionDataStore *	theCrossSectionDataStore
G4double	fWeight = 1.0
G4double	aScaleFactor = 1.0
G4double	theLastCrossSection = 0.0
G4double	mfpKinEnergy = DBL_MAX
G4int	epReportLevel = 0
G4HadXSType	fXSType = fHadNoIntegral
Protected Attributes inherited from G4VProcess
const G4ProcessManager *	aProcessManager = nullptr
G4VParticleChange *	pParticleChange = nullptr
G4ParticleChange	aParticleChange
G4double	theNumberOfInteractionLengthLeft = -1.0
G4double	currentInteractionLength = -1.0
G4double	theInitialNumberOfInteractionLength = -1.0
G4String	theProcessName
G4String	thePhysicsTableFileName
G4ProcessType	theProcessType = fNotDefined
G4int	theProcessSubType = -1
G4double	thePILfactor = 1.0
G4int	verboseLevel = 0
G4bool	enableAtRestDoIt = true
G4bool	enableAlongStepDoIt = true
G4bool	enablePostStepDoIt = true

Detailed Description

Definition at line 52 of file G4ChargeExchangeProcess.hh.

Constructor & Destructor Documentation

G4ChargeExchangeProcess()

G4ChargeExchangeProcess::G4ChargeExchangeProcess

(

const G4String &

procName = "chargeExchange"

)

Definition at line 58 of file G4ChargeExchangeProcess.cc.

  : G4HadronicProcess(procName,fChargeExchange), first(true)
{
  thEnergy = 20.*MeV;
  pPDG = 0;
  verboseLevel= 1;
  AddDataSet( new G4CrossSectionElastic( new G4ComponentGGHadronNucleusXsc ) );
  theProton   = G4Proton::Proton();
  theNeutron  = G4Neutron::Neutron();
  theAProton  = G4AntiProton::AntiProton();
  theANeutron = G4AntiNeutron::AntiNeutron();
  thePiPlus   = G4PionPlus::PionPlus();
  thePiMinus  = G4PionMinus::PionMinus();
  thePiZero   = G4PionZero::PionZero();
  theKPlus    = G4KaonPlus::KaonPlus();
  theKMinus   = G4KaonMinus::KaonMinus();
  theK0S      = G4KaonZeroShort::KaonZeroShort();
  theK0L      = G4KaonZeroLong::KaonZeroLong();
  theL        = G4Lambda::Lambda();
  theAntiL    = G4AntiLambda::AntiLambda();
  theSPlus    = G4SigmaPlus::SigmaPlus();
  theASPlus   = G4AntiSigmaPlus::AntiSigmaPlus();
  theSMinus   = G4SigmaMinus::SigmaMinus();
  theASMinus  = G4AntiSigmaMinus::AntiSigmaMinus();
  theS0       = G4SigmaZero::SigmaZero();
  theAS0      = G4AntiSigmaZero::AntiSigmaZero();
  theXiMinus  = G4XiMinus::XiMinus();
  theXi0      = G4XiZero::XiZero();
  theAXiMinus = G4AntiXiMinus::AntiXiMinus();
  theAXi0     = G4AntiXiZero::AntiXiZero();
  theOmega    = G4OmegaMinus::OmegaMinus();
  theAOmega   = G4AntiOmegaMinus::AntiOmegaMinus();
  theD        = G4Deuteron::Deuteron();
  theT        = G4Triton::Triton();
  theA        = G4Alpha::Alpha();
  theHe3      = G4He3::He3();
}

~G4ChargeExchangeProcess()

G4ChargeExchangeProcess::~G4ChargeExchangeProcess ( )

virtual

Definition at line 96 of file G4ChargeExchangeProcess.cc.

{
  if (factors) delete factors;
}

Member Function Documentation

BuildPhysicsTable()

void G4ChargeExchangeProcess::BuildPhysicsTable ( const G4ParticleDefinition & aParticleType )

virtual

Reimplemented from G4VProcess.

Definition at line 101 of file G4ChargeExchangeProcess.cc.

{
  if(first) {
    first = false;
    theParticle = &aParticleType;
    pPDG = theParticle->GetPDGEncoding();
 
    store = G4HadronicProcess::GetCrossSectionDataStore();
 
    const size_t n = 10;
    if(theParticle == thePiPlus || theParticle == thePiMinus ||
       theParticle == theKPlus  || theParticle == theKMinus ||
       theParticle == theK0S    || theParticle == theK0L) {
 
      G4double F[n] = {0.33,0.27,0.29,0.31,0.27,0.18,0.13,0.1,0.09,0.07};
      factors = new G4PhysicsLinearVector(0.0,2.0*GeV,n);
      for(size_t i=0; i<n; i++) {factors->PutValue(i,F[i]);}
 
    } else {
 
      G4double F[n] = {0.50,0.45,0.40,0.35,0.30,0.25,0.06,0.04,0.005,0.0};
      factors = new G4PhysicsLinearVector(0.0,4.0*GeV,n);
      for(size_t i=0; i<n; i++) {factors->PutValue(i,F[i]);}
    }
 
    if(verboseLevel>1)
      G4cout << "G4ChargeExchangeProcess for "
         << theParticle->GetParticleName()
         << G4endl;
  }
  G4HadronicProcess::BuildPhysicsTable(aParticleType);
}

DumpPhysicsTable()

void G4ChargeExchangeProcess::DumpPhysicsTable ( const G4ParticleDefinition & aParticleType )

virtual

Definition at line 194 of file G4ChargeExchangeProcess.cc.

{
  store->DumpPhysicsTable(aParticleType);
}

GetElementCrossSection()

G4double G4ChargeExchangeProcess::GetElementCrossSection ( const G4DynamicParticle * aParticle, const G4Element * anElement, const G4Material * mat = 0 )

virtual

Definition at line 135 of file G4ChargeExchangeProcess.cc.

{
  // gives the microscopic cross section in GEANT4 internal units
  G4double Z = elm->GetZ();
  G4int iz = G4int(Z);
  G4double x = 0.0;
 
  // The process is effective only above the threshold
  if(iz == 1 || dp->GetKineticEnergy() < thEnergy) return x;
 
  if(verboseLevel>1)
    G4cout << "G4ChargeExchangeProcess compute GHAD CS for element "
       << elm->GetName()
       << G4endl;
  x = store->GetCrossSection(dp, elm, mat);
 
  if(verboseLevel>1)
    G4cout << "G4ChargeExchangeProcess cross(mb)= " << x/millibarn
           << "  E(MeV)= " << dp->GetKineticEnergy()
       << "  " << theParticle->GetParticleName()
           << "  in Z= " << iz
       << G4endl;
  G4bool b;
  G4double A = elm->GetN();
  G4double ptot = dp->GetTotalMomentum();
  x *= factors->GetValue(ptot, b)/G4Pow::GetInstance()->powA(A, 0.42);
  if(theParticle == thePiPlus || theParticle == theProton ||
     theParticle == theKPlus  || theParticle == theANeutron)
    { x *= (1.0 - Z/A); }
 
  else if(theParticle == thePiMinus || theParticle == theNeutron ||
          theParticle == theKMinus  || theParticle == theAProton)
    { x *= Z/A; }
 
  if(theParticle->GetPDGMass() < GeV) {
    if(ptot > 2.*GeV) x *= 4.0*GeV*GeV/(ptot*ptot);
  }
 
  if(verboseLevel>1) 
    G4cout << "Corrected cross(mb)= " << x/millibarn << G4endl;
 
  return x;
}

IsApplicable()

G4bool G4ChargeExchangeProcess::IsApplicable ( const G4ParticleDefinition & aParticleType )

virtual

Reimplemented from G4VProcess.

Definition at line 182 of file G4ChargeExchangeProcess.cc.

{
  const G4ParticleDefinition* p = &aParticleType;
  return (p == thePiPlus || p == thePiMinus ||
          p == theProton || p == theNeutron ||
          p == theAProton|| p == theANeutron||
      p == theKPlus  || p == theKMinus  ||
      p == theK0S    || p == theK0L     ||
      p == theL);
}

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

• G4ChargeExchangeProcess.hh
• G4ChargeExchangeProcess.cc