Geant4  10.03.p01
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G4alphaIonisation Class Reference

#include <G4alphaIonisation.hh>

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Public Member Functions

 G4alphaIonisation (const G4String &name="alphaIoni")
 
virtual ~G4alphaIonisation ()
 
virtual G4bool IsApplicable (const G4ParticleDefinition &p) final
 
virtual void PrintInfo () override
 
- Public Member Functions inherited from G4VEnergyLossProcess
 G4VEnergyLossProcess (const G4String &name="EnergyLoss", G4ProcessType type=fElectromagnetic)
 
virtual ~G4VEnergyLossProcess ()
 
virtual void ProcessDescription (std::ostream &outFile) const
 
virtual void PreparePhysicsTable (const G4ParticleDefinition &) override
 
virtual void BuildPhysicsTable (const G4ParticleDefinition &) override
 
G4PhysicsTable * BuildDEDXTable (G4EmTableType tType=fRestricted)
 
G4PhysicsTable * BuildLambdaTable (G4EmTableType tType=fRestricted)
 
void PrintInfoDefinition (const G4ParticleDefinition &part)
 
virtual void StartTracking (G4Track *) override
 
virtual G4double AlongStepGetPhysicalInteractionLength (const G4Track &, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety, G4GPILSelection *selection) override
 
virtual G4double PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override
 
virtual G4VParticleChange * AlongStepDoIt (const G4Track &, const G4Step &) override
 
G4double SampleSubCutSecondaries (std::vector< G4Track * > &, const G4Step &, G4VEmModel *model, G4int matIdx)
 
virtual G4VParticleChange * PostStepDoIt (const G4Track &, const G4Step &) override
 
virtual G4bool StorePhysicsTable (const G4ParticleDefinition *, const G4String &directory, G4bool ascii=false) override
 
virtual G4bool RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &directory, G4bool ascii) override
 
G4double GetDEDXDispersion (const G4MaterialCutsCouple *couple, const G4DynamicParticle *dp, G4double length)
 
G4double CrossSectionPerVolume (G4double kineticEnergy, const G4MaterialCutsCouple *couple)
 
G4double MeanFreePath (const G4Track &track)
 
G4double ContinuousStepLimit (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety)
 
G4VEmModel * SelectModelForMaterial (G4double kinEnergy, size_t &idx) const
 
void AddEmModel (G4int, G4VEmModel *, G4VEmFluctuationModel *fluc=0, const G4Region *region=nullptr)
 
void UpdateEmModel (const G4String &, G4double, G4double)
 
void SetEmModel (G4VEmModel *, G4int index=1)
 
G4VEmModel * EmModel (G4int index=1) const
 
G4VEmModel * GetModelByIndex (G4int idx=0, G4bool ver=false) const
 
G4int NumberOfModels () const
 
void SetFluctModel (G4VEmFluctuationModel *)
 
G4VEmFluctuationModel * FluctModel ()
 
void SetBaseParticle (const G4ParticleDefinition *p)
 
const G4ParticleDefinition * Particle () const
 
const G4ParticleDefinition * BaseParticle () const
 
const G4ParticleDefinition * SecondaryParticle () const
 
void ActivateSubCutoff (G4bool val, const G4Region *region=nullptr)
 
void SetCrossSectionBiasingFactor (G4double f, G4bool flag=true)
 
void ActivateForcedInteraction (G4double length, const G4String &region, G4bool flag=true)
 
void ActivateSecondaryBiasing (const G4String &region, G4double factor, G4double energyLimit)
 
void AddCollaborativeProcess (G4VEnergyLossProcess *)
 
void SetLossFluctuations (G4bool val)
 
void SetIntegral (G4bool val)
 
G4bool IsIntegral () const
 
void SetIonisation (G4bool val)
 
G4bool IsIonisationProcess () const
 
void SetLinearLossLimit (G4double val)
 
void SetStepFunction (G4double v1, G4double v2, G4bool lock=true)
 
void SetLowestEnergyLimit (G4double)
 
G4int NumberOfSubCutoffRegions () const
 
void SetDEDXTable (G4PhysicsTable *p, G4EmTableType tType)
 
void SetCSDARangeTable (G4PhysicsTable *pRange)
 
void SetRangeTableForLoss (G4PhysicsTable *p)
 
void SetSecondaryRangeTable (G4PhysicsTable *p)
 
void SetInverseRangeTable (G4PhysicsTable *p)
 
void SetLambdaTable (G4PhysicsTable *p)
 
void SetSubLambdaTable (G4PhysicsTable *p)
 
void SetDEDXBinning (G4int nbins)
 
void SetMinKinEnergy (G4double e)
 
G4double MinKinEnergy () const
 
void SetMaxKinEnergy (G4double e)
 
G4double MaxKinEnergy () const
 
G4double CrossSectionBiasingFactor () const
 
G4double GetDEDX (G4double &kineticEnergy, const G4MaterialCutsCouple *)
 
G4double GetDEDXForSubsec (G4double &kineticEnergy, const G4MaterialCutsCouple *)
 
G4double GetRange (G4double &kineticEnergy, const G4MaterialCutsCouple *)
 
G4double GetCSDARange (G4double &kineticEnergy, const G4MaterialCutsCouple *)
 
G4double GetRangeForLoss (G4double &kineticEnergy, const G4MaterialCutsCouple *)
 
G4double GetKineticEnergy (G4double &range, const G4MaterialCutsCouple *)
 
G4double GetLambda (G4double &kineticEnergy, const G4MaterialCutsCouple *)
 
G4bool TablesAreBuilt () const
 
G4PhysicsTable * DEDXTable () const
 
G4PhysicsTable * DEDXTableForSubsec () const
 
G4PhysicsTable * DEDXunRestrictedTable () const
 
G4PhysicsTable * IonisationTable () const
 
G4PhysicsTable * IonisationTableForSubsec () const
 
G4PhysicsTable * CSDARangeTable () const
 
G4PhysicsTable * SecondaryRangeTable () const
 
G4PhysicsTable * RangeTableForLoss () const
 
G4PhysicsTable * InverseRangeTable () const
 
G4PhysicsTable * LambdaTable () const
 
G4PhysicsTable * SubLambdaTable () const
 
const G4Element * GetCurrentElement () const
 
void SetDynamicMassCharge (G4double massratio, G4double charge2ratio)
 
- Public Member Functions inherited from G4VContinuousDiscreteProcess
 G4VContinuousDiscreteProcess (const G4String &, G4ProcessType aType=fNotDefined)
 
 G4VContinuousDiscreteProcess (G4VContinuousDiscreteProcess &)
 
virtual ~G4VContinuousDiscreteProcess ()
 
virtual G4double AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *)
 
virtual G4VParticleChange * AtRestDoIt (const G4Track &, const G4Step &)
 
- Public Member Functions inherited from G4VProcess
 G4VProcess (const G4String &aName="NoName", G4ProcessType aType=fNotDefined)
 
 G4VProcess (const G4VProcess &right)
 
virtual ~G4VProcess ()
 
G4int operator== (const G4VProcess &right) const
 
G4int 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)
 
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 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 &)
 

Protected Member Functions

virtual void InitialiseEnergyLossProcess (const G4ParticleDefinition *, const G4ParticleDefinition *) override
 
virtual G4double MinPrimaryEnergy (const G4ParticleDefinition *p, const G4Material *, G4double cut) final
 
G4double BetheBlochEnergyThreshold ()
 
- Protected Member Functions inherited from G4VEnergyLossProcess
virtual G4double GetMeanFreePath (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition) override
 
virtual G4double GetContinuousStepLimit (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &currentSafety) override
 
G4PhysicsVector * LambdaPhysicsVector (const G4MaterialCutsCouple *, G4double cut)
 
size_t CurrentMaterialCutsCoupleIndex () const
 
void SelectModel (G4double kinEnergy)
 
void SetParticle (const G4ParticleDefinition *p)
 
void SetSecondaryParticle (const G4ParticleDefinition *p)
 
- Protected Member Functions inherited from G4VContinuousDiscreteProcess
void SetGPILSelection (G4GPILSelection selection)
 
G4GPILSelection GetGPILSelection () const
 
- Protected Member Functions inherited from G4VProcess
void SubtractNumberOfInteractionLengthLeft (G4double previousStepSize)
 
void ClearNumberOfInteractionLengthLeft ()
 

Additional Inherited Members

- Static Public Member Functions inherited from G4VProcess
static const G4String & GetProcessTypeName (G4ProcessType)
 
- Protected Attributes inherited from G4VEnergyLossProcess
G4ParticleChangeForLoss fParticleChange
 
- Protected Attributes inherited from G4VProcess
const G4ProcessManager * aProcessManager
 
G4VParticleChange * pParticleChange
 
G4ParticleChange aParticleChange
 
G4double theNumberOfInteractionLengthLeft
 
G4double currentInteractionLength
 
G4double theInitialNumberOfInteractionLength
 
G4String theProcessName
 
G4String thePhysicsTableFileName
 
G4ProcessType theProcessType
 
G4int theProcessSubType
 
G4double thePILfactor
 
G4bool enableAtRestDoIt
 
G4bool enableAlongStepDoIt
 
G4bool enablePostStepDoIt
 
G4int verboseLevel
 

Detailed Description

Definition at line 59 of file G4alphaIonisation.hh.

Constructor & Destructor Documentation

G4alphaIonisation::G4alphaIonisation ( const G4String &  name = "alphaIoni")
explicit

Definition at line 66 of file G4alphaIonisation.cc.

67  : G4VEnergyLossProcess(name),
68  theParticle(nullptr),
69  isInitialised(false)
70 {
71  G4Exception("G4alphaIonisation::G4alphaIonisation","em0007",JustWarning,
72  " The process is not ready for use - incorrect results are expected");
73  SetLinearLossLimit(0.02);
74  SetProcessSubType(fIonisation);
75  mass = 0.0;
76  ratio = 0.0;
77  eth = 8*MeV;
78 }
G4VEnergyLossProcess::G4VEnergyLossProcess
G4VEnergyLossProcess(const G4String &name="EnergyLoss", G4ProcessType type=fElectromagnetic)
Definition: G4VEnergyLossProcess.cc:167
G4VEnergyLossProcess::SetLinearLossLimit
void SetLinearLossLimit(G4double val)
Definition: G4VEnergyLossProcess.cc:2342
JustWarning
Definition: G4ExceptionSeverity.hh:64
G4VProcess::SetProcessSubType
void SetProcessSubType(G4int)
Definition: G4VProcess.hh:432
G4Exception
void G4Exception(const char *originOfException, const char *exceptionCode, G4ExceptionSeverity severity, const char *comments)
Definition: G4Exception.cc:41
MeV
static constexpr double MeV
Definition: G4SIunits.hh:214
fIonisation
Definition: G4EmProcessSubType.hh:47

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G4alphaIonisation::~G4alphaIonisation ( )
virtual

Definition at line 82 of file G4alphaIonisation.cc.

83 {}

Member Function Documentation

G4double G4alphaIonisation::BetheBlochEnergyThreshold ( )
inlineprotected

Definition at line 101 of file G4alphaIonisation.hh.

102 {
103  return eth;
104 }
void G4alphaIonisation::InitialiseEnergyLossProcess ( const G4ParticleDefinition *  part,
const G4ParticleDefinition *  bpart 
)
overrideprotectedvirtual

Implements G4VEnergyLossProcess.

Definition at line 106 of file G4alphaIonisation.cc.

109 {
110  if(!isInitialised) {
111 
112  theParticle = part;
113  G4String pname = part->GetParticleName();
114 
115  // define base particle
116  const G4ParticleDefinition* theBaseParticle = nullptr;
117  if(bpart == 0) {
118  if(pname != "alpha") { theBaseParticle = G4Alpha::Alpha(); }
119  } else { theBaseParticle = bpart; }
120 
121  mass = part->GetPDGMass();
122  ratio = mass/electron_mass_c2/mass;
123 
124  SetBaseParticle(theBaseParticle);
125  SetSecondaryParticle(G4Electron::Electron());
126 
127  if (!EmModel(1)) { SetEmModel(new G4BraggIonModel(), 1); }
128 
129  G4EmParameters* param = G4EmParameters::Instance();
130  G4double emin = param->MinKinEnergy();
131  EmModel(1)->SetLowEnergyLimit(emin);
132 
133  // model limit defined for alpha
134  eth = (EmModel(1)->HighEnergyLimit())*ratio;
135  EmModel(1)->SetHighEnergyLimit(eth);
136  AddEmModel(1, EmModel(1), new G4IonFluctuations());
137 
138  if (!FluctModel()) { SetFluctModel(new G4UniversalFluctuation()); }
139 
140  if (!EmModel(2)) { SetEmModel(new G4BetheBlochModel(),2); }
141  EmModel(2)->SetLowEnergyLimit(eth);
142  EmModel(2)->SetHighEnergyLimit(param->MaxKinEnergy());
143  AddEmModel(2, EmModel(2), FluctModel());
144 
145  isInitialised = true;
146  }
147 }
G4EmParameters::MaxKinEnergy
G4double MaxKinEnergy() const
Definition: G4EmParameters.cc:437
G4VEmModel::HighEnergyLimit
G4double HighEnergyLimit() const
Definition: G4VEmModel.hh:633
G4VEnergyLossProcess::SetFluctModel
void SetFluctModel(G4VEmFluctuationModel *)
Definition: G4VEnergyLossProcess.hh:883
G4ParticleDefinition::GetParticleName
const G4String & GetParticleName() const
Definition: G4ParticleDefinition.hh:120
CLHEP::electron_mass_c2
static constexpr double electron_mass_c2
Definition: PhysicalConstants.h:79
G4VEmModel::SetHighEnergyLimit
void SetHighEnergyLimit(G4double)
Definition: G4VEmModel.hh:724
G4VEnergyLossProcess::AddEmModel
void AddEmModel(G4int, G4VEmModel *, G4VEmFluctuationModel *fluc=0, const G4Region *region=nullptr)
Definition: G4VEnergyLossProcess.cc:391
G4VEnergyLossProcess::FluctModel
G4VEmFluctuationModel * FluctModel()
Definition: G4VEnergyLossProcess.hh:890
G4EmParameters::MinKinEnergy
G4double MinKinEnergy() const
Definition: G4EmParameters.cc:418
G4VEnergyLossProcess::SetSecondaryParticle
void SetSecondaryParticle(const G4ParticleDefinition *p)
Definition: G4VEnergyLossProcess.hh:905
G4ParticleDefinition::GetPDGMass
G4double GetPDGMass() const
Definition: G4ParticleDefinition.hh:122
G4EmParameters::Instance
static G4EmParameters * Instance()
Definition: G4EmParameters.cc:67
G4VEnergyLossProcess::SetEmModel
void SetEmModel(G4VEmModel *, G4int index=1)
Definition: G4VEnergyLossProcess.cc:409
G4Electron::Electron
static G4Electron * Electron()
Definition: G4Electron.cc:94
G4Alpha::Alpha
static G4Alpha * Alpha()
Definition: G4Alpha.cc:89
G4double
double G4double
Definition: G4Types.hh:76
G4VEmModel::SetLowEnergyLimit
void SetLowEnergyLimit(G4double)
Definition: G4VEmModel.hh:731
G4VEnergyLossProcess::SetBaseParticle
void SetBaseParticle(const G4ParticleDefinition *p)
Definition: G4VEnergyLossProcess.hh:913
G4VEnergyLossProcess::EmModel
G4VEmModel * EmModel(G4int index=1) const
Definition: G4VEnergyLossProcess.cc:418

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G4bool G4alphaIonisation::IsApplicable ( const G4ParticleDefinition &  p)
finalvirtual

Implements G4VEnergyLossProcess.

Definition at line 87 of file G4alphaIonisation.cc.

88 {
89  return (!p.IsShortLived() &&
90  std::fabs(p.GetPDGCharge()/CLHEP::eplus - 2) < 0.01);
91 }
CLHEP::eplus
static constexpr double eplus
Definition: SystemOfUnits.h:157
G4ParticleDefinition::GetPDGCharge
G4double GetPDGCharge() const
Definition: G4ParticleDefinition.hh:124

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G4double G4alphaIonisation::MinPrimaryEnergy ( const G4ParticleDefinition *  p,
const G4Material *  ,
G4double  cut 
)
finalprotectedvirtual

Reimplemented from G4VEnergyLossProcess.

Definition at line 95 of file G4alphaIonisation.cc.

98 {
99  G4double x = 0.5*cut/electron_mass_c2;
100  G4double gam = x*ratio + std::sqrt((1. + x)*(1. + x*ratio*ratio));
101  return mass*(gam - 1.0);
102 }
CLHEP::electron_mass_c2
static constexpr double electron_mass_c2
Definition: PhysicalConstants.h:79
G4double
double G4double
Definition: G4Types.hh:76
void G4alphaIonisation::PrintInfo ( )
overridevirtual

Implements G4VEnergyLossProcess.

Definition at line 151 of file G4alphaIonisation.cc.

152 {}
The documentation for this class was generated from the following files: