Geant4 11.1.1
Toolkit for the simulation of the passage of particles through matter
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Public Member Functions | Protected Member Functions | List of all members
G4NuclearStopping Class Reference

#include <G4NuclearStopping.hh>

+ Inheritance diagram for G4NuclearStopping:

Public Member Functions

 G4NuclearStopping (const G4String &processName="nuclearStopping")
 
 ~G4NuclearStopping () override
 
G4bool IsApplicable (const G4ParticleDefinition &p) final
 
G4double AlongStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection) final
 
G4VParticleChange * AlongStepDoIt (const G4Track &track, const G4Step &step) final
 
void ProcessDescription (std::ostream &) const override
 
- Public Member Functions inherited from G4VEmProcess
 G4VEmProcess (const G4String &name, G4ProcessType type=fElectromagnetic)
 
 ~G4VEmProcess () override
 
virtual G4bool IsApplicable (const G4ParticleDefinition &p) override=0
 
void ProcessDescription (std::ostream &outFile) const override
 
void PreparePhysicsTable (const G4ParticleDefinition &) override
 
void BuildPhysicsTable (const G4ParticleDefinition &) override
 
void StartTracking (G4Track *) override
 
G4double PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override
 
G4VParticleChange * PostStepDoIt (const G4Track &, const G4Step &) override
 
G4bool StorePhysicsTable (const G4ParticleDefinition *, const G4String &directory, G4bool ascii=false) override
 
G4bool RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &directory, G4bool ascii) override
 
virtual G4VEmProcess * GetEmProcess (const G4String &name)
 
G4double GetLambda (G4double kinEnergy, const G4MaterialCutsCouple *couple, G4double logKinEnergy)
 
G4double GetCrossSection (const G4double kinEnergy, const G4MaterialCutsCouple *couple) override
 
G4double ComputeCrossSectionPerAtom (G4double kineticEnergy, G4double Z, G4double A=0., G4double cut=0.0)
 
G4double MeanFreePath (const G4Track &track)
 
void SetLambdaBinning (G4int nbins)
 
void SetMinKinEnergy (G4double e)
 
void SetMinKinEnergyPrim (G4double e)
 
void SetMaxKinEnergy (G4double e)
 
G4PhysicsTable * LambdaTable () const
 
G4PhysicsTable * LambdaTablePrim () const
 
void SetLambdaTable (G4PhysicsTable *)
 
void SetLambdaTablePrim (G4PhysicsTable *)
 
std::vector< G4double > * EnergyOfCrossSectionMax () const
 
void SetEnergyOfCrossSectionMax (std::vector< G4double > *)
 
G4CrossSectionType CrossSectionType () const
 
void SetCrossSectionType (G4CrossSectionType val)
 
const G4ParticleDefinition * Particle () const
 
const G4ParticleDefinition * SecondaryParticle () const
 
G4VEmModel * SelectModelForMaterial (G4double kinEnergy, size_t idxCouple) const
 
void AddEmModel (G4int, G4VEmModel *, const G4Region *region=nullptr)
 
void SetEmModel (G4VEmModel *, G4int index=0)
 
G4int NumberOfModels () const
 
G4VEmModel * EmModel (size_t index=0) const
 
const G4VEmModel * GetCurrentModel () const
 
G4VEmModel * GetModelByIndex (G4int idx=0, G4bool ver=false) const
 
const G4Element * GetCurrentElement () const
 
void SetCrossSectionBiasingFactor (G4double f, G4bool flag=true)
 
G4double CrossSectionBiasingFactor () const
 
void ActivateForcedInteraction (G4double length=0.0, const G4String &r="", G4bool flag=true)
 
void ActivateSecondaryBiasing (const G4String &region, G4double factor, G4double energyLimit)
 
void SetEmMasterProcess (const G4VEmProcess *)
 
void SetBuildTableFlag (G4bool val)
 
void CurrentSetup (const G4MaterialCutsCouple *, G4double energy)
 
G4bool UseBaseMaterial () const
 
void BuildLambdaTable ()
 
void StreamInfo (std::ostream &outFile, const G4ParticleDefinition &, G4bool rst=false) const
 
 G4VEmProcess (G4VEmProcess &)=delete
 
G4VEmProcess & operator= (const G4VEmProcess &right)=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 PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
 
virtual G4VParticleChange * PostStepDoIt (const G4Track &, const G4Step &)
 
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
 
virtual G4VParticleChange * PostStepDoIt (const G4Track &track, const G4Step &stepData)=0
 
virtual G4VParticleChange * AlongStepDoIt (const G4Track &track, const G4Step &stepData)=0
 
virtual G4VParticleChange * AtRestDoIt (const G4Track &track, const G4Step &stepData)=0
 
virtual G4double AlongStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)=0
 
virtual G4double AtRestGetPhysicalInteractionLength (const G4Track &track, G4ForceCondition *condition)=0
 
virtual G4double PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)=0
 
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 IsApplicable (const G4ParticleDefinition &)
 
virtual void BuildPhysicsTable (const G4ParticleDefinition &)
 
virtual void PreparePhysicsTable (const G4ParticleDefinition &)
 
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 StartTracking (G4Track *)
 
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
 
virtual void ProcessDescription (std::ostream &outfile) 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 &)
 

Protected Member Functions

void InitialiseProcess (const G4ParticleDefinition *) final
 
 G4NuclearStopping (G4NuclearStopping &)=delete
 
G4NuclearStopping & operator= (const G4NuclearStopping &right)=delete
 
- Protected Member Functions inherited from G4VEmProcess
virtual void StreamProcessInfo (std::ostream &) const
 
virtual void InitialiseProcess (const G4ParticleDefinition *)=0
 
G4VEmModel * SelectModel (G4double kinEnergy, size_t)
 
G4double GetMeanFreePath (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override
 
G4PhysicsVector * LambdaPhysicsVector (const G4MaterialCutsCouple *)
 
void DefineMaterial (const G4MaterialCutsCouple *couple)
 
G4int LambdaBinning () const
 
G4double MinKinEnergy () const
 
G4double MaxKinEnergy () const
 
G4double PolarAngleLimit () const
 
G4ParticleChangeForGamma * GetParticleChange ()
 
void SetParticle (const G4ParticleDefinition *p)
 
void SetSecondaryParticle (const G4ParticleDefinition *p)
 
size_t CurrentMaterialCutsCoupleIndex () const
 
const G4MaterialCutsCouple * MaterialCutsCouple () const
 
G4bool ApplyCuts () const
 
G4double GetGammaEnergyCut ()
 
G4double GetElectronEnergyCut ()
 
void SetStartFromNullFlag (G4bool val)
 
void SetSplineFlag (G4bool val)
 
const G4Element * GetTargetElement () const
 
const G4Isotope * GetTargetIsotope () const
 
G4int DensityIndex (G4int idx) const
 
G4double DensityFactor (G4int idx) const
 
virtual G4double GetMeanFreePath (const G4Track &aTrack, G4double previousStepSize, G4ForceCondition *condition)=0
 
- Protected Member Functions inherited from G4VProcess
void SubtractNumberOfInteractionLengthLeft (G4double prevStepSize)
 
void ClearNumberOfInteractionLengthLeft ()
 

Additional Inherited Members

- Static Public Member Functions inherited from G4VProcess
static const G4String & GetProcessTypeName (G4ProcessType)
 
- Protected Attributes inherited from G4VEmProcess
const G4MaterialCutsCouple * currentCouple = nullptr
 
const G4Material * currentMaterial = nullptr
 
G4EmBiasingManager * biasManager = nullptr
 
std::vector< G4double > * theEnergyOfCrossSectionMax = nullptr
 
G4double mfpKinEnergy = DBL_MAX
 
G4double preStepKinEnergy = 0.0
 
G4double preStepLogKinEnergy = LOG_EKIN_MIN
 
G4double preStepLambda = 0.0
 
G4int mainSecondaries = 1
 
G4int secID = _EM
 
G4int fluoID = _Fluorescence
 
G4int augerID = _AugerElectron
 
G4int biasID = _EM
 
G4int tripletID = _TripletElectron
 
size_t currentCoupleIndex = 0
 
size_t basedCoupleIndex = 0
 
size_t coupleIdxLambda = 0
 
size_t idxLambda = 0
 
G4bool isTheMaster = true
 
G4bool baseMat = false
 
std::vector< G4DynamicParticle * > secParticles
 
G4ParticleChangeForGamma fParticleChange
 
- 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 63 of file G4NuclearStopping.hh.

Constructor & Destructor Documentation

◆ G4NuclearStopping() [1/2]

G4NuclearStopping::G4NuclearStopping ( const G4String &  processName = "nuclearStopping")
explicit

Definition at line 55 of file G4NuclearStopping.cc.

56 : G4VEmProcess(processName)
57{
58 isInitialized = false;
59 SetProcessSubType(fNuclearStopping);
60 SetBuildTableFlag(false);
61 enableAlongStepDoIt = true;
62 enablePostStepDoIt = false;
63}
fNuclearStopping
@ fNuclearStopping
Definition: G4EmProcessSubType.hh:52
G4VEmProcess::SetBuildTableFlag
void SetBuildTableFlag(G4bool val)
Definition: G4VEmProcess.hh:713
G4VProcess::enableAlongStepDoIt
G4bool enableAlongStepDoIt
Definition: G4VProcess.hh:364
G4VProcess::SetProcessSubType
void SetProcessSubType(G4int)
Definition: G4VProcess.hh:410
G4VProcess::enablePostStepDoIt
G4bool enablePostStepDoIt
Definition: G4VProcess.hh:365

◆ ~G4NuclearStopping()

G4NuclearStopping::~G4NuclearStopping ( )
overridedefault

◆ G4NuclearStopping() [2/2]

G4NuclearStopping::G4NuclearStopping ( G4NuclearStopping &  )
protecteddelete

Member Function Documentation

◆ AlongStepDoIt()

G4VParticleChange * G4NuclearStopping::AlongStepDoIt ( const G4Track &  track,
const G4Step &  step 
)
finalvirtual

Reimplemented from G4VDiscreteProcess.

Definition at line 104 of file G4NuclearStopping.cc.

106{
107 nParticleChange.InitializeForAlongStep(track);
108
109 // this line only valid if nuclear stopping
110 // is computed after G4ionIonisation process
111 nParticleChange.SetProposedCharge(step.GetPostStepPoint()->GetCharge());
112
113 G4double T2 = step.GetPostStepPoint()->GetKineticEnergy();
114
115 const G4ParticleDefinition* part = track.GetParticleDefinition();
116 G4double Z = std::abs(part->GetPDGCharge()/eplus);
117 G4double massR = proton_mass_c2/part->GetPDGMass();
118
119 if(T2 > 0.0 && T2*massR < Z*Z*MeV) {
120
121 G4double length = step.GetStepLength();
122 if(length > 0.0) {
123
124 // primary
125 G4double T1= step.GetPreStepPoint()->GetKineticEnergy();
126 G4double T = 0.5*(T1 + T2);
127 const G4MaterialCutsCouple* couple = track.GetMaterialCutsCouple();
128 G4double Tscaled = T*massR;
129 G4VEmModel* mod = SelectModel(Tscaled, couple->GetIndex());
130
131 // sample stopping
132 if(mod->IsActive(Tscaled)) {
133 G4double nloss =
134 length*mod->ComputeDEDXPerVolume(couple->GetMaterial(), part, T);
135 nloss = std::min(nloss, T1);
136 nParticleChange.SetProposedKineticEnergy(T1 - nloss);
137 nParticleChange.ProposeLocalEnergyDeposit(nloss);
138 nParticleChange.ProposeNonIonizingEnergyDeposit(nloss);
139 }
140 }
141 }
142 return &nParticleChange;
143}
G4double
double G4double
Definition: G4Types.hh:83
Z
const G4int Z[17]
Definition: G4WaterStopping.cc:51
G4MaterialCutsCouple::GetMaterial
const G4Material * GetMaterial() const
Definition: G4MaterialCutsCouple.hh:166
G4ParticleChangeForLoss::InitializeForAlongStep
void InitializeForAlongStep(const G4Track &)
Definition: G4ParticleChangeForLoss.hh:164
G4ParticleChangeForLoss::SetProposedKineticEnergy
void SetProposedKineticEnergy(G4double proposedKinEnergy)
Definition: G4ParticleChangeForLoss.hh:108
G4ParticleChangeForLoss::SetProposedCharge
void SetProposedCharge(G4double theCharge)
Definition: G4ParticleChangeForLoss.hh:119
G4ParticleDefinition::GetPDGCharge
G4double GetPDGCharge() const
Definition: G4ParticleDefinition.hh:113
G4StepPoint::GetCharge
G4double GetCharge() const
G4StepPoint::GetKineticEnergy
G4double GetKineticEnergy() const
G4Step::GetPreStepPoint
G4StepPoint * GetPreStepPoint() const
G4Step::GetStepLength
G4double GetStepLength() const
G4Step::GetPostStepPoint
G4StepPoint * GetPostStepPoint() const
G4Track::GetParticleDefinition
const G4ParticleDefinition * GetParticleDefinition() const
G4Track::GetMaterialCutsCouple
const G4MaterialCutsCouple * GetMaterialCutsCouple() const
G4VEmModel::IsActive
G4bool IsActive(G4double kinEnergy) const
Definition: G4VEmModel.hh:774
G4VEmModel::ComputeDEDXPerVolume
virtual G4double ComputeDEDXPerVolume(const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
Definition: G4VEmModel.cc:172
G4VEmProcess::SelectModel
G4VEmModel * SelectModel(G4double kinEnergy, size_t)
Definition: G4VEmProcess.hh:492
G4VParticleChange::ProposeNonIonizingEnergyDeposit
void ProposeNonIonizingEnergyDeposit(G4double anEnergyPart)
G4VParticleChange::ProposeLocalEnergyDeposit
void ProposeLocalEnergyDeposit(G4double anEnergyPart)

◆ AlongStepGetPhysicalInteractionLength()

G4double G4NuclearStopping::AlongStepGetPhysicalInteractionLength ( const G4Track &  track,
G4double  previousStepSize,
G4double  currentMinimumStep,
G4double &  proposedSafety,
G4GPILSelection *  selection 
)
finalvirtual

Reimplemented from G4VDiscreteProcess.

Definition at line 95 of file G4NuclearStopping.cc.

97{
98 *selection = NotCandidateForSelection;
99 return DBL_MAX;
100}
NotCandidateForSelection
@ NotCandidateForSelection
Definition: G4GPILSelection.hh:47
DBL_MAX
#define DBL_MAX
Definition: templates.hh:62

◆ InitialiseProcess()

void G4NuclearStopping::InitialiseProcess ( const G4ParticleDefinition *  )
finalprotectedvirtual

Implements G4VEmProcess.

Definition at line 78 of file G4NuclearStopping.cc.

79{
80 if(!isInitialized) {
81 isInitialized = true;
82
83 if(nullptr == EmModel(0)) {
84 SetEmModel(new G4ICRU49NuclearStoppingModel());
85 }
86 AddEmModel(1, EmModel());
87 EmModel()->SetActivationHighEnergyLimit(10*GeV);
88 EmModel()->SetParticleChange(&nParticleChange);
89 }
90}
G4VEmModel::SetParticleChange
void SetParticleChange(G4VParticleChange *, G4VEmFluctuationModel *f=nullptr)
Definition: G4VEmModel.cc:390
G4VEmModel::SetActivationHighEnergyLimit
void SetActivationHighEnergyLimit(G4double)
Definition: G4VEmModel.hh:760
G4VEmProcess::EmModel
G4VEmModel * EmModel(size_t index=0) const
Definition: G4VEmProcess.hh:798
G4VEmProcess::AddEmModel
void AddEmModel(G4int, G4VEmModel *, const G4Region *region=nullptr)
Definition: G4VEmProcess.cc:125
G4VEmProcess::SetEmModel
void SetEmModel(G4VEmModel *, G4int index=0)
Definition: G4VEmProcess.cc:136

◆ IsApplicable()

G4bool G4NuclearStopping::IsApplicable ( const G4ParticleDefinition &  p)
finalvirtual

Implements G4VEmProcess.

Definition at line 71 of file G4NuclearStopping.cc.

72{
73 return (p.GetPDGCharge() != 0.0);
74}

◆ operator=()

G4NuclearStopping & G4NuclearStopping::operator= ( const G4NuclearStopping &  right)
protecteddelete

◆ ProcessDescription()

void G4NuclearStopping::ProcessDescription ( std::ostream &  out) const
overridevirtual

Reimplemented from G4VProcess.

Definition at line 147 of file G4NuclearStopping.cc.

148{
149 out << " Nuclear stopping";
150 G4VEmProcess::ProcessDescription(out);
151}
G4VEmProcess::ProcessDescription
void ProcessDescription(std::ostream &outFile) const override
Definition: G4VEmProcess.cc:881
The documentation for this class was generated from the following files: