#include <G4MuElecInelasticModel.hh>

Inheritance diagram for G4MuElecInelasticModel:

Collaboration diagram for G4MuElecInelasticModel:

Public Member Functions
	G4MuElecInelasticModel (const G4ParticleDefinition *p=0, const G4String &nam="MuElecInelasticModel")

virtual	~G4MuElecInelasticModel ()

virtual void	Initialise (const G4ParticleDefinition *, const G4DataVector &)

virtual G4double	CrossSectionPerVolume (const G4Material material, const G4ParticleDefinition p, G4double ekin, G4double emin, G4double emax)

virtual void	SampleSecondaries (std::vector< G4DynamicParticle > , const G4MaterialCutsCouple , const G4DynamicParticle , G4double tmin, G4double maxEnergy)

double	DifferentialCrossSection (G4ParticleDefinition *aParticleDefinition, G4double k, G4double energyTransfer, G4int shell)

Public Member Functions inherited from G4VEmModel
	G4VEmModel (const G4String &nam)

virtual	~G4VEmModel ()

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	GetPartialCrossSection (const G4Material , G4int, const G4ParticleDefinition , G4double)

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 , G4double &eloss, G4double &niel, G4double length)

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	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)

G4int	SelectIsotopeNumber (const G4Element *)

const G4Element *	SelectRandomAtom (const G4MaterialCutsCouple , const G4ParticleDefinition , G4double kineticEnergy, 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)

G4int	SelectRandomAtomNumber (const G4Material *)

void	SetParticleChange (G4VParticleChange , G4VEmFluctuationModel f=0)

void	SetCrossSectionTable (G4PhysicsTable *, G4bool isLocal)

G4ElementData *	GetElementData ()

G4PhysicsTable *	GetCrossSectionTable ()

G4VEmFluctuationModel *	GetModelOfFluctuations ()

G4VEmAngularDistribution *	GetAngularDistribution ()

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)

void	SetPolarAngleLimit (G4double)

void	SetSecondaryThreshold (G4double)

void	SetLPMFlag (G4bool val)

void	SetDeexcitationFlag (G4bool val)

void	SetForceBuildTable (G4bool val)

void	SetMasterThread (G4bool val)

G4bool	IsMaster () const

G4double	MaxSecondaryKinEnergy (const G4DynamicParticle *dynParticle)

const G4String &	GetName () const

void	SetCurrentCouple (const G4MaterialCutsCouple *)

const G4Element *	GetCurrentElement () const

const G4Isotope *	GetCurrentIsotope () const

G4bool	IsLocked () const

void	SetLocked (G4bool)

Protected Attributes
G4ParticleChangeForGamma *	fParticleChangeForGamma

Protected Attributes inherited from G4VEmModel
G4ElementData *	fElementData

G4VParticleChange *	pParticleChange

G4PhysicsTable *	xSectionTable

const std::vector< G4double > *	theDensityFactor

const std::vector< G4int > *	theDensityIdx

size_t	idxTable

Private Types
typedef std::map< G4String, G4String, std::less< G4String > >	MapFile

typedef std::map< G4String, G4MuElecCrossSectionDataSet *, std::less< G4String > >	MapData

typedef std::map< double, std::map< double, double > >	TriDimensionMap

typedef std::map< double, std::vector< double > >	VecMap

Private Member Functions
G4double	RandomizeEjectedElectronEnergy (G4ParticleDefinition *aParticleDefinition, G4double incomingParticleEnergy, G4int shell)

void	RandomizeEjectedElectronDirection (G4ParticleDefinition *aParticleDefinition, G4double incomingParticleEnergy, G4double outgoingParticleEnergy, G4double &cosTheta, G4double &phi)

G4double	LogLogInterpolate (G4double e1, G4double e2, G4double e, G4double xs1, G4double xs2)

G4double	QuadInterpolator (G4double e11, G4double e12, G4double e21, G4double e22, G4double x11, G4double x12, G4double x21, G4double x22, G4double t1, G4double t2, G4double t, G4double e)

G4int	RandomSelect (G4double energy, const G4String &particle)

G4MuElecInelasticModel &	operator= (const G4MuElecInelasticModel &right)

	G4MuElecInelasticModel (const G4MuElecInelasticModel &)

Private Attributes
G4VAtomDeexcitation *	fAtomDeexcitation

G4Material *	nistSi

std::map< G4String, G4double, std::less< G4String > >	lowEnergyLimit

std::map< G4String, G4double, std::less< G4String > >	highEnergyLimit

G4bool	isInitialised

G4int	verboseLevel

MapFile	tableFile

MapData	tableData

G4MuElecSiStructure	SiStructure

TriDimensionMap	eDiffCrossSectionData [7]

TriDimensionMap	pDiffCrossSectionData [7]

std::vector< double >	eTdummyVec

std::vector< double >	pTdummyVec

VecMap	eVecm

VecMap	pVecm

Additional Inherited Members
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 *)

Static Protected Attributes inherited from G4VEmModel
static const G4double	inveplus = 1.0/CLHEP::eplus

Detailed Description

Definition at line 64 of file G4MuElecInelasticModel.hh.

Member Typedef Documentation

◆ MapData

typedef std::map<G4String,G4MuElecCrossSectionDataSet*,std::less<G4String> > G4MuElecInelasticModel::MapData

private

Definition at line 112 of file G4MuElecInelasticModel.hh.

◆ MapFile

typedef std::map<G4String,G4String,std::less<G4String> > G4MuElecInelasticModel::MapFile

private

Definition at line 109 of file G4MuElecInelasticModel.hh.

◆ TriDimensionMap

typedef std::map<double, std::map<double, double> > G4MuElecInelasticModel::TriDimensionMap

private

Definition at line 139 of file G4MuElecInelasticModel.hh.

◆ VecMap

typedef std::map<double, std::vector<double> > G4MuElecInelasticModel::VecMap

private

Definition at line 145 of file G4MuElecInelasticModel.hh.

Constructor & Destructor Documentation

◆ G4MuElecInelasticModel() [1/2]

G4MuElecInelasticModel::G4MuElecInelasticModel	(	const G4ParticleDefinition *	p = `0`,
		const G4String &	nam = `"MuElecInelasticModel"`
	)

Definition at line 60 of file G4MuElecInelasticModel.cc.

 :G4VEmModel(nam),fAtomDeexcitation(0),isInitialised(false)
 {
   
    G4cout << G4endl;
    G4cout << "*******************************************************************************" << G4endl;
    G4cout << "*******************************************************************************" << G4endl;
    G4cout << "   The name of the class G4MuElecInelasticModel is changed to G4MicroElecInelasticModel. " << G4endl;
    G4cout << "   The obsolete class will be REMOVED with the next release of Geant4. " << G4endl;
    G4cout << "*******************************************************************************" << G4endl;
    G4cout << "*******************************************************************************" << G4endl;
    G4cout << G4endl;
    
    nistSi = G4NistManager::Instance()->FindOrBuildMaterial("G4_Si");
 
   verboseLevel= 0;
   // Verbosity scale:
   // 0 = nothing 
   // 1 = warning for energy non-conservation 
   // 2 = details of energy budget
   // 3 = calculation of cross sections, file openings, sampling of atoms
   // 4 = entering in methods
   
   if( verboseLevel>0 ) 
   { 
     G4cout << "MuElec inelastic model is constructed " << G4endl;
   }
 
   //Mark this model as "applicable" for atomic deexcitation
   SetDeexcitationFlag(true);
   fParticleChangeForGamma = 0;
 }

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◆ ~G4MuElecInelasticModel()

G4MuElecInelasticModel::~G4MuElecInelasticModel ( )

virtual

Definition at line 96 of file G4MuElecInelasticModel.cc.

 {  
   // Cross section
   
   std::map< G4String,G4MuElecCrossSectionDataSet*,std::less<G4String> >::iterator pos;
   for (pos = tableData.begin(); pos != tableData.end(); ++pos)
   {
     G4MuElecCrossSectionDataSet* table = pos->second;
     delete table;
   }
   
   // Final state
   
   eVecm.clear();
   pVecm.clear();
 
 }

◆ G4MuElecInelasticModel() [2/2]

G4MuElecInelasticModel::G4MuElecInelasticModel ( const G4MuElecInelasticModel & )

private

Member Function Documentation

◆ CrossSectionPerVolume()

G4double G4MuElecInelasticModel::CrossSectionPerVolume	(	const G4Material *	material,
		const G4ParticleDefinition *	p,
		G4double	ekin,
		G4double	emin,
		G4double	emax
	)

virtual

Reimplemented from G4VEmModel.

Definition at line 266 of file G4MuElecInelasticModel.cc.

 {
   if (verboseLevel > 3)
     G4cout << "Calling CrossSectionPerVolume() of G4MuElecInelasticModel" << G4endl;
 
   G4double density = material->GetTotNbOfAtomsPerVolume();
 
  /* if (
       particleDefinition != G4Proton::ProtonDefinition()
       &&
       particleDefinition != G4Electron::ElectronDefinition()
       &&
       particleDefinition != G4GenericIon::GenericIonDefinition()
      )
         
     return 0;*/
   
   // Calculate total cross section for model
 
   G4double lowLim = 0;
   G4double highLim = 0;
   G4double sigma=0;
 
   const G4String& particleName = particleDefinition->GetParticleName();
   G4String nameLocal = particleName ;
 
   G4double Zeff2 = 1.0;
   G4double Mion_c2 = particleDefinition->GetPDGMass();
 
   if (Mion_c2 > proton_mass_c2)
   {
     G4ionEffectiveCharge EffCharge ; 
     G4double Zeff = EffCharge.EffectiveCharge(particleDefinition, material,ekin);
     Zeff2 = Zeff*Zeff;
 
     if (verboseLevel > 3) 
     G4cout << "Before scaling : " << G4endl
     << "Particle : " << nameLocal << ", mass : " << Mion_c2/proton_mass_c2 << "*mp, charge " << Zeff 
     << ", Ekin (eV) = " << ekin/eV << G4endl ;
 
     ekin *= proton_mass_c2/Mion_c2 ;
     nameLocal = "proton" ;
 
     if (verboseLevel > 3) 
     G4cout << "After scaling : " << G4endl
      << "Particle : " << nameLocal  << ", Ekin (eV) = " << ekin/eV << G4endl ;
   }
 
   if (material == nistSi || material->GetBaseMaterial() == nistSi)
   {
 
     std::map< G4String,G4double,std::less<G4String> >::iterator pos1;
     pos1 = lowEnergyLimit.find(nameLocal);
     if (pos1 != lowEnergyLimit.end())
     {
       lowLim = pos1->second;
     }
   
     std::map< G4String,G4double,std::less<G4String> >::iterator pos2;
     pos2 = highEnergyLimit.find(nameLocal);
     if (pos2 != highEnergyLimit.end())
     {
       highLim = pos2->second;
     }
 
     if (ekin >= lowLim && ekin < highLim)
     {
       std::map< G4String,G4MuElecCrossSectionDataSet*,std::less<G4String> >::iterator pos;
       pos = tableData.find(nameLocal);
     
       if (pos != tableData.end())
       {
         G4MuElecCrossSectionDataSet* table = pos->second;
         if (table != 0)
         {
       sigma = table->FindValue(ekin);
         }
       }
       else
       {
     G4Exception("G4MuElecInelasticModel::CrossSectionPerVolume","em0002",FatalException,"Model not applicable to particle type.");
       }
     }
     else 
     {
     if (nameLocal!="e-")
     {
         // G4cout << "Particle : " << nameLocal << ", Ekin (eV) = " << ekin/eV << G4endl;
         // G4cout << "### Warning: particle energy out of bounds! ###" << G4endl;
     }
     }
 
     if (verboseLevel > 3)
     {
       G4cout << "---> Kinetic energy (eV)=" << ekin/eV << G4endl;
       G4cout << " - Cross section per Si atom (cm^2)=" << sigma*Zeff2/cm2 << G4endl;
       G4cout << " - Cross section per Si atom (cm^-1)=" << sigma*density*Zeff2/(1./cm) << G4endl;
     } 
  
   } // if (SiMaterial)
  return sigma*density*Zeff2;
        
 
 }

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◆ DifferentialCrossSection()

double G4MuElecInelasticModel::DifferentialCrossSection	(	G4ParticleDefinition *	aParticleDefinition,
		G4double	k,
		G4double	energyTransfer,
		G4int	shell
	)

Definition at line 618 of file G4MuElecInelasticModel.cc.

 {
   G4double sigma = 0.;
 
   if (energyTransfer >= SiStructure.Energy(LevelIndex))
   {
     G4double valueT1 = 0;
     G4double valueT2 = 0;
     G4double valueE21 = 0;
     G4double valueE22 = 0;
     G4double valueE12 = 0;
     G4double valueE11 = 0;
 
     G4double xs11 = 0;   
     G4double xs12 = 0; 
     G4double xs21 = 0; 
     G4double xs22 = 0; 
 
     if (particleDefinition == G4Electron::ElectronDefinition()) 
     {
       // k should be in eV and energy transfer eV also
 
       std::vector<double>::iterator t2 = std::upper_bound(eTdummyVec.begin(),eTdummyVec.end(), k);
       std::vector<double>::iterator t1 = t2-1;
       // SI : the following condition avoids situations where energyTransfer >last vector element
       if (energyTransfer <= eVecm[(*t1)].back() && energyTransfer <= eVecm[(*t2)].back() )
       {
         std::vector<double>::iterator e12 = std::upper_bound(eVecm[(*t1)].begin(),eVecm[(*t1)].end(), energyTransfer);
         std::vector<double>::iterator e11 = e12-1;
 
         std::vector<double>::iterator e22 = std::upper_bound(eVecm[(*t2)].begin(),eVecm[(*t2)].end(), energyTransfer);
         std::vector<double>::iterator e21 = e22-1;
 
         valueT1  =*t1;
         valueT2  =*t2;
         valueE21 =*e21;
         valueE22 =*e22;
         valueE12 =*e12;
         valueE11 =*e11;
 
         xs11 = eDiffCrossSectionData[LevelIndex][valueT1][valueE11];
         xs12 = eDiffCrossSectionData[LevelIndex][valueT1][valueE12];
         xs21 = eDiffCrossSectionData[LevelIndex][valueT2][valueE21];
         xs22 = eDiffCrossSectionData[LevelIndex][valueT2][valueE22];
       }
 
     }
   
    if (particleDefinition == G4Proton::ProtonDefinition()) 
    {
       // k should be in eV and energy transfer eV also
       std::vector<double>::iterator t2 = std::upper_bound(pTdummyVec.begin(),pTdummyVec.end(), k);
       std::vector<double>::iterator t1 = t2-1;
       if (energyTransfer <= pVecm[(*t1)].back() && energyTransfer <= pVecm[(*t2)].back() )
       {
         std::vector<double>::iterator e12 = std::upper_bound(pVecm[(*t1)].begin(),pVecm[(*t1)].end(), energyTransfer);
         std::vector<double>::iterator e11 = e12-1;
 
         std::vector<double>::iterator e22 = std::upper_bound(pVecm[(*t2)].begin(),pVecm[(*t2)].end(), energyTransfer);
         std::vector<double>::iterator e21 = e22-1;
  
         valueT1  =*t1;
         valueT2  =*t2;
         valueE21 =*e21;
         valueE22 =*e22;
         valueE12 =*e12;
         valueE11 =*e11;
 
         xs11 = pDiffCrossSectionData[LevelIndex][valueT1][valueE11]; 
         xs12 = pDiffCrossSectionData[LevelIndex][valueT1][valueE12];
         xs21 = pDiffCrossSectionData[LevelIndex][valueT2][valueE21];
         xs22 = pDiffCrossSectionData[LevelIndex][valueT2][valueE22];
       }
    }
 
    G4double xsProduct = xs11 * xs12 * xs21 * xs22;
    if (xsProduct != 0.)
    {
      sigma = QuadInterpolator(     valueE11, valueE12, 
                    valueE21, valueE22, 
                    xs11, xs12, 
                    xs21, xs22, 
                    valueT1, valueT2, 
                    k, energyTransfer);
    }
 
  }
   
   return sigma;
 }

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◆ Initialise()

void G4MuElecInelasticModel::Initialise	(	const G4ParticleDefinition *	particle,
		const G4DataVector &
	)

virtual

Implements G4VEmModel.

Definition at line 116 of file G4MuElecInelasticModel.cc.

 {
 
   if (verboseLevel > 3)
     G4cout << "Calling G4MuElecInelasticModel::Initialise()" << G4endl;
 
   // Energy limits
 
   G4String fileElectron("microelec/sigma_inelastic_e_Si");
   G4String fileProton("microelec/sigma_inelastic_p_Si");
 
   G4ParticleDefinition* electronDef = G4Electron::ElectronDefinition();
   G4ParticleDefinition* protonDef = G4Proton::ProtonDefinition();
 
   G4String electron;
   G4String proton;
   
   G4double scaleFactor = 1e-18 * cm *cm;
 
   char *path = getenv("G4LEDATA");
 
   // *** ELECTRON
     electron = electronDef->GetParticleName();
 
     tableFile[electron] = fileElectron;
 
     lowEnergyLimit[electron] = 16.7 * eV; 
     highEnergyLimit[electron] = 100.0 * MeV;
 
     // Cross section
     
     G4MuElecCrossSectionDataSet* tableE = new G4MuElecCrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor );
     tableE->LoadData(fileElectron);
       
     tableData[electron] = tableE;
     
     // Final state
     
     std::ostringstream eFullFileName;
     eFullFileName << path << "/microelec/sigmadiff_inelastic_e_Si.dat";
     std::ifstream eDiffCrossSection(eFullFileName.str().c_str());
 
     if (!eDiffCrossSection)
     { 
             G4Exception("G4MuElecInelasticModel::Initialise","em0003",FatalException,"Missing data file:/microelec/sigmadiff_inelastic_e_Si.dat");
     }
       
     eTdummyVec.push_back(0.);
     while(!eDiffCrossSection.eof())
     {
       double tDummy;
       double eDummy;
       eDiffCrossSection>>tDummy>>eDummy;
       if (tDummy != eTdummyVec.back()) eTdummyVec.push_back(tDummy);
       for (int j=0; j<6; j++)
       {
         eDiffCrossSection>>eDiffCrossSectionData[j][tDummy][eDummy];
 
         // SI - only if eof is not reached !
         if (!eDiffCrossSection.eof()) eDiffCrossSectionData[j][tDummy][eDummy]*=scaleFactor;
 
         eVecm[tDummy].push_back(eDummy);
 
       }
     }
     //
 
   // *** PROTON
 
     proton = protonDef->GetParticleName();
 
     tableFile[proton] = fileProton;
 
     lowEnergyLimit[proton] = 50. * keV;
     highEnergyLimit[proton] = 10. * GeV;
 
     // Cross section
     
     G4MuElecCrossSectionDataSet* tableP = new G4MuElecCrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor );
     tableP->LoadData(fileProton);
       
     tableData[proton] = tableP;
     
     // Final state
 
     std::ostringstream pFullFileName;
     pFullFileName << path << "/microelec/sigmadiff_inelastic_p_Si.dat";
     std::ifstream pDiffCrossSection(pFullFileName.str().c_str());
     
     if (!pDiffCrossSection)
     { 
             G4Exception("G4MuElecInelasticModel::Initialise","em0003",FatalException,"Missing data file:/microelec/sigmadiff_inelastic_p_Si.dat");
     }
       
     pTdummyVec.push_back(0.);
     while(!pDiffCrossSection.eof())
     {
       double tDummy;
       double eDummy;
       pDiffCrossSection>>tDummy>>eDummy;
       if (tDummy != pTdummyVec.back()) pTdummyVec.push_back(tDummy);
       for (int j=0; j<6; j++)
       {
         pDiffCrossSection>>pDiffCrossSectionData[j][tDummy][eDummy];
 
         // SI - only if eof is not reached !
         if (!pDiffCrossSection.eof()) pDiffCrossSectionData[j][tDummy][eDummy]*=scaleFactor;
 
         pVecm[tDummy].push_back(eDummy); 
       }
     }
   
 
   if (particle==electronDef) 
   {
     SetLowEnergyLimit(lowEnergyLimit[electron]);
     SetHighEnergyLimit(highEnergyLimit[electron]);
   }
 
   if (particle==protonDef) 
   {
     SetLowEnergyLimit(lowEnergyLimit[proton]);
     SetHighEnergyLimit(highEnergyLimit[proton]);
   }
 
   if( verboseLevel>0 ) 
   { 
     G4cout << "MuElec Inelastic model is initialized " << G4endl
            << "Energy range: "
            << LowEnergyLimit() / eV << " eV - "
            << HighEnergyLimit() / keV << " keV for "
            << particle->GetParticleName()
        << " with mass (amu) " << particle->GetPDGMass()/proton_mass_c2
        << " and charge " << particle->GetPDGCharge()
            << G4endl << G4endl ;
   }
   
   //
 
   fAtomDeexcitation  = G4LossTableManager::Instance()->AtomDeexcitation(); 
 
   if (isInitialised) { return; }
   fParticleChangeForGamma = GetParticleChangeForGamma();
   isInitialised = true;
 
 }

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◆ LogLogInterpolate()

G4double G4MuElecInelasticModel::LogLogInterpolate	(	G4double	e1,
		G4double	e2,
		G4double	e,
		G4double	xs1,
		G4double	xs2
	)

private

Definition at line 714 of file G4MuElecInelasticModel.cc.

 {
   G4double a = (std::log10(xs2)-std::log10(xs1)) / (std::log10(e2)-std::log10(e1));
   G4double b = std::log10(xs2) - a*std::log10(e2);
   G4double sigma = a*std::log10(e) + b;
   G4double value = (std::pow(10.,sigma));
   return value;
 }

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◆ operator=()

G4MuElecInelasticModel& G4MuElecInelasticModel::operator= ( const G4MuElecInelasticModel & right )

private

◆ QuadInterpolator()

G4double G4MuElecInelasticModel::QuadInterpolator	(	G4double	e11,
		G4double	e12,
		G4double	e21,
		G4double	e22,
		G4double	x11,
		G4double	x12,
		G4double	x21,
		G4double	x22,
		G4double	t1,
		G4double	t2,
		G4double	t,
		G4double	e
	)

private

Definition at line 729 of file G4MuElecInelasticModel.cc.

 {
   G4double interpolatedvalue1 = LogLogInterpolate(e11, e12, e, xs11, xs12);
   G4double interpolatedvalue2 = LogLogInterpolate(e21, e22, e, xs21, xs22);
   G4double value = LogLogInterpolate(t1, t2, t, interpolatedvalue1, interpolatedvalue2);
   return value;
 }

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◆ RandomizeEjectedElectronDirection()

void G4MuElecInelasticModel::RandomizeEjectedElectronDirection	(	G4ParticleDefinition *	aParticleDefinition,
		G4double	incomingParticleEnergy,
		G4double	outgoingParticleEnergy,
		G4double &	cosTheta,
		G4double &	phi
	)

private

Definition at line 588 of file G4MuElecInelasticModel.cc.

 {
   if (particleDefinition == G4Electron::ElectronDefinition()) 
   {
     phi = twopi * G4UniformRand();
     G4double sin2O = (1.-secKinetic/k) / (1.+secKinetic/(2.*electron_mass_c2));
     cosTheta = std::sqrt(1.-sin2O);
   }
  
   if (particleDefinition == G4Proton::ProtonDefinition()) 
   {
     G4double maxSecKinetic = 4.* (electron_mass_c2 / proton_mass_c2) * k;
     phi = twopi * G4UniformRand();
     cosTheta = std::sqrt(secKinetic / maxSecKinetic);
   }
 
   else
   {
     G4double maxSecKinetic = 4.* (electron_mass_c2 / particleDefinition->GetPDGMass()) * k;
     phi = twopi * G4UniformRand();
     cosTheta = std::sqrt(secKinetic / maxSecKinetic);
   }
 }

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◆ RandomizeEjectedElectronEnergy()

G4double G4MuElecInelasticModel::RandomizeEjectedElectronEnergy	(	G4ParticleDefinition *	aParticleDefinition,
		G4double	incomingParticleEnergy,
		G4int	shell
	)

private

Definition at line 516 of file G4MuElecInelasticModel.cc.

 {
   if (particleDefinition == G4Electron::ElectronDefinition()) 
   {
     G4double maximumEnergyTransfer=0.;
     if ((k+SiStructure.Energy(shell))/2. > k) maximumEnergyTransfer=k;
     else maximumEnergyTransfer = (k+SiStructure.Energy(shell))/2.;
 
     G4double crossSectionMaximum = 0.;
 
     G4double minEnergy = SiStructure.Energy(shell);
     G4double maxEnergy = maximumEnergyTransfer;
     G4int nEnergySteps = 100;
 
     G4double value(minEnergy);
     G4double stpEnergy(std::pow(maxEnergy/value, 1./static_cast<G4double>(nEnergySteps-1)));
     G4int step(nEnergySteps);
     while (step>0)
     {
       step--;
       G4double differentialCrossSection = DifferentialCrossSection(particleDefinition, k/eV, value/eV, shell);
       if(differentialCrossSection >= crossSectionMaximum) crossSectionMaximum = differentialCrossSection;
       value*=stpEnergy;
     }
 
  
     G4double secondaryElectronKineticEnergy=0.;
     do 
     {
       secondaryElectronKineticEnergy = G4UniformRand() * (maximumEnergyTransfer-SiStructure.Energy(shell));
     } while(G4UniformRand()*crossSectionMaximum >
       DifferentialCrossSection(particleDefinition, k/eV,(secondaryElectronKineticEnergy+SiStructure.Energy(shell))/eV,shell));
 
     return secondaryElectronKineticEnergy;
  
   }
 
   if (particleDefinition == G4Proton::ProtonDefinition()) 
   {
     G4double maximumEnergyTransfer = 4.* (electron_mass_c2 / proton_mass_c2) * k;
     G4double crossSectionMaximum = 0.;
 
     G4double minEnergy = SiStructure.Energy(shell);
     G4double maxEnergy = maximumEnergyTransfer; 
     G4int nEnergySteps = 100;
 
     G4double value(minEnergy);
     G4double stpEnergy(std::pow(maxEnergy/value, 1./static_cast<G4double>(nEnergySteps-1)));
     G4int step(nEnergySteps);
     while (step>0)
     {
       step--; 
       G4double differentialCrossSection = DifferentialCrossSection(particleDefinition, k/eV, value/eV, shell);
       if(differentialCrossSection >= crossSectionMaximum) crossSectionMaximum = differentialCrossSection;
       value*=stpEnergy;
     }
     G4double secondaryElectronKineticEnergy = 0.;
     do
     {
       secondaryElectronKineticEnergy = G4UniformRand() * (maximumEnergyTransfer-SiStructure.Energy(shell));
 
     } while(G4UniformRand()*crossSectionMaximum >= 
           DifferentialCrossSection(particleDefinition, k/eV,(secondaryElectronKineticEnergy+SiStructure.Energy(shell))/eV,shell));
     return secondaryElectronKineticEnergy;
   }
  
   return 0;
 }

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◆ RandomSelect()

G4int G4MuElecInelasticModel::RandomSelect	(	G4double	energy,
		const G4String &	particle
	)

private

Definition at line 744 of file G4MuElecInelasticModel.cc.

 {   
   G4int level = 0;
 
   std::map< G4String,G4MuElecCrossSectionDataSet*,std::less<G4String> >::iterator pos;
   pos = tableData.find(particle);
 
   if (pos != tableData.end())
   {
     G4MuElecCrossSectionDataSet* table = pos->second;
 
     if (table != 0)
     {
       G4double* valuesBuffer = new G4double[table->NumberOfComponents()];
       const size_t n(table->NumberOfComponents());
       size_t i(n);
       G4double value = 0.;
         
       while (i>0)
       { 
     i--;
     valuesBuffer[i] = table->GetComponent(i)->FindValue(k);
     value += valuesBuffer[i];
       }
         
       value *= G4UniformRand();
     
       i = n;
         
       while (i > 0)
       {
     i--;
 
     if (valuesBuffer[i] > value)
         {
           delete[] valuesBuffer;
           return i;
         }
     value -= valuesBuffer[i];
       }
         
       if (valuesBuffer) delete[] valuesBuffer;
     
     }
   }
   else
   {
     G4Exception("G4MuElecInelasticModel::RandomSelect","em0002",FatalException,"Model not applicable to particle type.");
   }
       
   return level;
 }

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◆ SampleSecondaries()

void G4MuElecInelasticModel::SampleSecondaries	(	std::vector< G4DynamicParticle >	fvect,
		const G4MaterialCutsCouple *	,
		const G4DynamicParticle *	particle,
		G4double	tmin,
		G4double	maxEnergy
	)

virtual

Implements G4VEmModel.

Definition at line 377 of file G4MuElecInelasticModel.cc.

 {
 
   if (verboseLevel > 3)
     G4cout << "Calling SampleSecondaries() of G4MuElecInelasticModel" << G4endl;
 
   G4double lowLim = 0;
   G4double highLim = 0;
 
   G4double ekin = particle->GetKineticEnergy();
   G4double k = ekin ;
 
   G4ParticleDefinition* PartDef = particle->GetDefinition();
   const G4String& particleName = PartDef->GetParticleName();
   G4String nameLocal2 = particleName ;
   G4double particleMass = particle->GetDefinition()->GetPDGMass();
 
   if (particleMass > proton_mass_c2)
   {
     k *= proton_mass_c2/particleMass ;
     PartDef = G4Proton::ProtonDefinition();
     nameLocal2 = "proton" ;
   }
 
   std::map< G4String,G4double,std::less<G4String> >::iterator pos1;
   pos1 = lowEnergyLimit.find(nameLocal2);
 
   if (pos1 != lowEnergyLimit.end())
   {
     lowLim = pos1->second;
   }
 
   std::map< G4String,G4double,std::less<G4String> >::iterator pos2;
   pos2 = highEnergyLimit.find(nameLocal2);
 
   if (pos2 != highEnergyLimit.end())
   {
     highLim = pos2->second;
   }
 
   if (k >= lowLim && k < highLim)
   {
     G4ParticleMomentum primaryDirection = particle->GetMomentumDirection();
     G4double totalEnergy = ekin + particleMass;
     G4double pSquare = ekin * (totalEnergy + particleMass);
     G4double totalMomentum = std::sqrt(pSquare);
 
     G4int Shell = RandomSelect(k,nameLocal2);
     G4double bindingEnergy = SiStructure.Energy(Shell);
     if (verboseLevel > 3)
     {
     G4cout << "---> Kinetic energy (eV)=" << k/eV << G4endl ;
     G4cout << "Shell: " << Shell << ", energy: " << bindingEnergy/eV << G4endl;
     }
 
    // sample deexcitation
 
     G4int secNumberInit = 0;  // need to know at a certain point the energy of secondaries   
     G4int secNumberFinal = 0; // So I'll make the difference and then sum the energies
 
     if(fAtomDeexcitation && Shell > 2) {
       G4int Z = 14;
       G4AtomicShellEnumerator as = fKShell;
 
       if (Shell == 4) 
     {
       as = G4AtomicShellEnumerator(1);
     }
       else if (Shell == 3)
     {
       as = G4AtomicShellEnumerator(3);
     }
 
       const G4AtomicShell* shell = fAtomDeexcitation->GetAtomicShell(Z, as);    
       secNumberInit = fvect->size();
       fAtomDeexcitation->GenerateParticles(fvect, shell, Z, 0, 0);
       secNumberFinal = fvect->size();
     }
 
     G4double secondaryKinetic = RandomizeEjectedElectronEnergy(PartDef,k,Shell);
 
     if (verboseLevel > 3)
     {
     G4cout << "Ionisation process" << G4endl;
     G4cout << "Shell: " << Shell << " Kin. energy (eV)=" << k/eV 
     << " Sec. energy (eV)=" << secondaryKinetic/eV << G4endl;
     }
 
     G4double cosTheta = 0.;
     G4double phi = 0.; 
     RandomizeEjectedElectronDirection(PartDef, k, secondaryKinetic, cosTheta, phi);
 
     G4double sinTheta = std::sqrt(1.-cosTheta*cosTheta);
     G4double dirX = sinTheta*std::cos(phi);
     G4double dirY = sinTheta*std::sin(phi);
     G4double dirZ = cosTheta;
     G4ThreeVector deltaDirection(dirX,dirY,dirZ);
     deltaDirection.rotateUz(primaryDirection);
 
     //if (particle->GetDefinition() == G4Electron::ElectronDefinition())
     //{
       G4double deltaTotalMomentum = std::sqrt(secondaryKinetic*(secondaryKinetic + 2.*electron_mass_c2 ));
 
       G4double finalPx = totalMomentum*primaryDirection.x() - deltaTotalMomentum*deltaDirection.x();
       G4double finalPy = totalMomentum*primaryDirection.y() - deltaTotalMomentum*deltaDirection.y();
       G4double finalPz = totalMomentum*primaryDirection.z() - deltaTotalMomentum*deltaDirection.z();
       G4double finalMomentum = std::sqrt(finalPx*finalPx + finalPy*finalPy + finalPz*finalPz);
       finalPx /= finalMomentum;
       finalPy /= finalMomentum;
       finalPz /= finalMomentum;
     
       G4ThreeVector direction;
       direction.set(finalPx,finalPy,finalPz);
     
       fParticleChangeForGamma->ProposeMomentumDirection(direction.unit()) ;
     //}
     //else fParticleChangeForGamma->ProposeMomentumDirection(primaryDirection) ;
 
     // note that secondaryKinetic is the energy of the delta ray, not of all secondaries.
     G4double deexSecEnergy = 0;
     for (G4int j=secNumberInit; j < secNumberFinal; j++) {
       deexSecEnergy = deexSecEnergy + (*fvect)[j]->GetKineticEnergy();} 
 
     fParticleChangeForGamma->SetProposedKineticEnergy(ekin-bindingEnergy-secondaryKinetic);
     fParticleChangeForGamma->ProposeLocalEnergyDeposit(bindingEnergy-deexSecEnergy);
 
     G4DynamicParticle* dp = new G4DynamicParticle (G4Electron::Electron(),deltaDirection,secondaryKinetic) ;
     fvect->push_back(dp);
 
   }
 
 }

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Member Data Documentation

◆ eDiffCrossSectionData

TriDimensionMap G4MuElecInelasticModel::eDiffCrossSectionData[7]

private

Definition at line 140 of file G4MuElecInelasticModel.hh.

◆ eTdummyVec

std::vector<double> G4MuElecInelasticModel::eTdummyVec

private

Definition at line 142 of file G4MuElecInelasticModel.hh.

◆ eVecm

VecMap G4MuElecInelasticModel::eVecm

private

Definition at line 146 of file G4MuElecInelasticModel.hh.

◆ fAtomDeexcitation

G4VAtomDeexcitation* G4MuElecInelasticModel::fAtomDeexcitation

private

Definition at line 97 of file G4MuElecInelasticModel.hh.

◆ fParticleChangeForGamma

G4ParticleChangeForGamma* G4MuElecInelasticModel::fParticleChangeForGamma

protected

Definition at line 92 of file G4MuElecInelasticModel.hh.

◆ highEnergyLimit

std::map<G4String,G4double,std::less<G4String> > G4MuElecInelasticModel::highEnergyLimit

private

Definition at line 102 of file G4MuElecInelasticModel.hh.

◆ isInitialised

G4bool G4MuElecInelasticModel::isInitialised

private

Definition at line 104 of file G4MuElecInelasticModel.hh.

◆ lowEnergyLimit

std::map<G4String,G4double,std::less<G4String> > G4MuElecInelasticModel::lowEnergyLimit

private

Definition at line 101 of file G4MuElecInelasticModel.hh.

◆ nistSi

G4Material* G4MuElecInelasticModel::nistSi

private

Definition at line 99 of file G4MuElecInelasticModel.hh.

◆ pDiffCrossSectionData

TriDimensionMap G4MuElecInelasticModel::pDiffCrossSectionData[7]

private

Definition at line 141 of file G4MuElecInelasticModel.hh.

◆ pTdummyVec

std::vector<double> G4MuElecInelasticModel::pTdummyVec

private

Definition at line 143 of file G4MuElecInelasticModel.hh.

◆ pVecm

VecMap G4MuElecInelasticModel::pVecm

private

Definition at line 147 of file G4MuElecInelasticModel.hh.

◆ SiStructure

G4MuElecSiStructure G4MuElecInelasticModel::SiStructure

private

Definition at line 117 of file G4MuElecInelasticModel.hh.

◆ tableData

MapData G4MuElecInelasticModel::tableData

private

Definition at line 113 of file G4MuElecInelasticModel.hh.

◆ tableFile

MapFile G4MuElecInelasticModel::tableFile

private

Definition at line 110 of file G4MuElecInelasticModel.hh.

◆ verboseLevel

G4int G4MuElecInelasticModel::verboseLevel

private

Definition at line 105 of file G4MuElecInelasticModel.hh.

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

Public Member Functions

Protected Attributes

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ MapData

◆ MapFile

◆ TriDimensionMap

◆ VecMap

Constructor & Destructor Documentation

◆ G4MuElecInelasticModel() [1/2]

◆ ~G4MuElecInelasticModel()

◆ G4MuElecInelasticModel() [2/2]

Member Function Documentation

◆ CrossSectionPerVolume()

◆ DifferentialCrossSection()

◆ Initialise()

◆ LogLogInterpolate()

◆ operator=()

◆ QuadInterpolator()

◆ RandomizeEjectedElectronDirection()

◆ RandomizeEjectedElectronEnergy()

◆ RandomSelect()

◆ SampleSecondaries()

Member Data Documentation

◆ eDiffCrossSectionData

◆ eTdummyVec

◆ eVecm

◆ fAtomDeexcitation

◆ fParticleChangeForGamma

◆ highEnergyLimit

◆ isInitialised

◆ lowEnergyLimit

◆ nistSi

◆ pDiffCrossSectionData

◆ pTdummyVec

◆ pVecm

◆ SiStructure

◆ tableData

◆ tableFile

◆ verboseLevel