#include <G4MicroElecInelasticModel_new.hh>

Inheritance diagram for G4MicroElecInelasticModel_new:

Public Member Functions
	G4MicroElecInelasticModel_new (const G4ParticleDefinition *p=nullptr, const G4String &nam="MicroElecInelasticModel")

	~G4MicroElecInelasticModel_new () override

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

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

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

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

G4double	ComputeRelativistVelocity (G4double E, G4double mass)

G4double	ComputeElasticQmax (G4double T1i, G4double T2i, G4double m1, G4double m2)

G4double	BKZ (G4double Ep, G4double mp, G4int Zp, G4double EF)

G4double	stepFunc (G4double x)

G4double	vrkreussler (G4double v, G4double vF)

G4MicroElecInelasticModel_new &	operator= (const G4MicroElecInelasticModel_new &right)=delete

	G4MicroElecInelasticModel_new (const G4MicroElecInelasticModel_new &)=delete

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 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	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	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)

void	SetLPMFlag (G4bool)

G4VEmModel &	operator= (const G4VEmModel &right)=delete

	G4VEmModel (const G4VEmModel &)=delete

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 *)

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

std::size_t	currentCoupleIndex = 0

std::size_t	basedCoupleIndex = 0

G4bool	lossFlucFlag = true

Detailed Description

Definition at line 93 of file G4MicroElecInelasticModel_new.hh.

Constructor & Destructor Documentation

◆ G4MicroElecInelasticModel_new() [1/2]

G4MicroElecInelasticModel_new::G4MicroElecInelasticModel_new	(	const G4ParticleDefinition *	p = nullptr,
		const G4String &	nam = "MicroElecInelasticModel" )

explicit

Definition at line 97 of file G4MicroElecInelasticModel_new.cc.

  :G4VEmModel(nam),isInitialised(false)
{
  
  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 << "MicroElec inelastic model is constructed " << G4endl;
  }
  
  //Mark this model as "applicable" for atomic deexcitation
  SetDeexcitationFlag(true);
  fAtomDeexcitation = nullptr;
  fParticleChangeForGamma = nullptr;
  
  // default generator
  SetAngularDistribution(new G4DeltaAngle());
 
  // Selection of computation method
  fasterCode = true;
  SEFromFermiLevel = false;
}

◆ ~G4MicroElecInelasticModel_new()

G4MicroElecInelasticModel_new::~G4MicroElecInelasticModel_new ( )

override

Definition at line 130 of file G4MicroElecInelasticModel_new.cc.

{
  // Cross section  
  // (0)
  for (auto const& p : tableTCS) {
    MapData* tableData = p.second;
    for (auto const& pos : *tableData) { delete pos.second; }
    delete tableData;
  }
  tableTCS.clear();
 
  // (1)
  for (auto const & obj : eDiffDatatable) {
    auto ptr = obj.second;
    ptr->clear();
    delete ptr;
  }
  
  for (auto const & obj : pDiffDatatable) {
    auto ptr = obj.second;
    ptr->clear();
    delete ptr;
  }
 
  // (2)
  for (auto const & obj : eNrjTransStorage) {
    delete obj.second;
  }
  for (auto const & obj : pNrjTransStorage) {
    delete obj.second;
  }
 
  // (3)
  for (auto const& p : eProbaShellStorage) {
    delete p.second;
  }
 
  for (auto const& p : pProbaShellStorage) {
    delete p.second;
  }
  
  // (4)
  for (auto const& p : eIncidentEnergyStorage) {
    delete p.second;
  }
 
  for (auto const& p : pIncidentEnergyStorage) {
    delete p.second;
  }
 
  // (5)
  for (auto const& p : eVecmStorage) {
    delete p.second;
  }
 
  for (auto const& p : pVecmStorage) {
    delete p.second;
  }
    
  // (6)
  for (auto const& p : tableMaterialsStructures) {
    delete p.second;
  }
}

◆ G4MicroElecInelasticModel_new() [2/2]

G4MicroElecInelasticModel_new::G4MicroElecInelasticModel_new ( const G4MicroElecInelasticModel_new & )

delete

Member Function Documentation

◆ BKZ()

G4double G4MicroElecInelasticModel_new::BKZ	(	G4double	Ep,
		G4double	mp,
		G4int	Zp,
		G4double	EF )

Definition at line 1410 of file G4MicroElecInelasticModel_new.cc.

{
  // need atomic unit conversion
  G4double hbar = hbar_Planck, hbar2 = hbar*hbar, me = electron_mass_c2/c_squared, Ry = me*elm_coupling*elm_coupling/(2*hbar2);
  G4double hartree = 2*Ry,  a0 = Bohr_radius,   velocity = a0*hartree/hbar;
  G4double vp = ComputeRelativistVelocity(Ep,  mp);
 
  vp /= velocity;
 
  G4double wp = Eplasmon/hartree;
  G4double a = std::pow(4./9./CLHEP::pi, 1./3.);
  G4double vF = std::pow(wp*wp/(3.*a*a*a), 1./3.);
  G4double c = 0.9;
  G4double vr = vrkreussler(vp /*in u.a*/, vF /*in u.a*/);
  G4double yr = vr/std::pow(Zp, 2./3.);
  G4double q = 0.;
  if(Zp==2) q = 1-exp(-c*vr/(Zp-5./16.));
  else q = 1.-exp(-c*(yr-0.07));
  G4double Neq = Zp*(1.-q);
  G4double l0 = 0.;
  if(Neq<=2) l0 = 3./(Zp-0.3*(Neq-1))/2.;
  else l0 = 0.48*std::pow(Neq, 2./3.)/(Zp-Neq/7.);
  if(Zp==2)  c = 1.0;
  else c = 3./2.;
  return Zp*(q + c*(1.-q)/vF/vF/2.0 * log(1.+std::pow(2.*l0*vF,2.)));   
}

Referenced by CrossSectionPerVolume().

◆ ComputeElasticQmax()

G4double G4MicroElecInelasticModel_new::ComputeElasticQmax	(	G4double	T1i,
		G4double	T2i,
		G4double	m1,
		G4double	m2 )

Definition at line 1377 of file G4MicroElecInelasticModel_new.cc.

                                                                                                               {
  G4double v1i = ComputeRelativistVelocity(T1i, M1);
  G4double v2i = ComputeRelativistVelocity(T2i, M2);
  
  G4double v2f = 2*M1/(M1+M2)*v1i + (M2-M1)/(M1+M2)*-1*v2i;
  G4double vtransfer2a = v2f*v2f-v2i*v2i;
 
  v2f = 2*M1/(M1+M2)*v1i + (M2-M1)/(M1+M2)*v2i;
  G4double vtransfer2b = v2f*v2f-v2i*v2i;
 
  G4double vtransfer2 = std::max(vtransfer2a, vtransfer2b);
  return 0.5*M2*vtransfer2;
}

◆ ComputeRelativistVelocity()

G4double G4MicroElecInelasticModel_new::ComputeRelativistVelocity	(	G4double	E,
		G4double	mass )

Definition at line 1370 of file G4MicroElecInelasticModel_new.cc.

                                                                                           {
  G4double x = E/mass;
  return c_light*std::sqrt(x*(x + 2.0))/(x + 1.0);
}

Referenced by BKZ(), and ComputeElasticQmax().

◆ CrossSectionPerVolume()

G4double G4MicroElecInelasticModel_new::CrossSectionPerVolume	(	const G4Material *	material,
		const G4ParticleDefinition *	p,
		G4double	ekin,
		G4double	emin,
		G4double	emax )

overridevirtual

Reimplemented from G4VEmModel.

Definition at line 489 of file G4MicroElecInelasticModel_new.cc.

{
  if (verboseLevel > 3) G4cout << "Calling CrossSectionPerVolume() of G4MicroElecInelasticModel" << G4endl;
  
  G4double density = material->GetTotNbOfAtomsPerVolume();
  currentMaterial = material->GetName().substr(3, material->GetName().size());
  
  MapStructure::iterator structPos;
  structPos = tableMaterialsStructures.find(currentMaterial);
  
  // Calculate total cross section for model
  TCSMap::iterator tablepos;
  tablepos = tableTCS.find(currentMaterial);
  
  if (tablepos == tableTCS.end() )
    {
      G4String str = "Material ";
      str += currentMaterial + " TCS Table not found!";
      G4Exception("G4MicroElecInelasticModel_new::ComputeCrossSectionPerVolume", "em0002", FatalException, str);
      return 0;
    }
  else if(structPos == tableMaterialsStructures.end())
    {
      G4String str = "Material ";
      str += currentMaterial + " Structure not found!";
      G4Exception("G4MicroElecInelasticModel_new::ComputeCrossSectionPerVolume", "em0002", FatalException, str);
      return 0;
    }
  else {
    MapData* tableData = tablepos->second;
    currentMaterialStructure = structPos->second;
    
    G4double sigma = 0;
   
    const G4String& particleName = particleDefinition->GetParticleName();
    G4String nameLocal = particleName;
    G4int pdg = particleDefinition->GetPDGEncoding();
    G4int Z = particleDefinition->GetAtomicNumber();
    
    G4double Zeff = 1.0, Zeff2 = Zeff*Zeff;
    G4double Mion_c2 = particleDefinition->GetPDGMass();
    
    if (Mion_c2 > proton_mass_c2)
      {
    ekin *= proton_mass_c2 / Mion_c2;
        nameLocal = "proton";
      }
 
    G4double lowLim = currentMaterialStructure->GetInelasticModelLowLimit(pdg);
    G4double highLim = currentMaterialStructure->GetInelasticModelHighLimit(pdg);
    
    if (ekin >= lowLim && ekin < highLim)
      {
    std::map< G4String, G4MicroElecCrossSectionDataSet_new*, std::less<G4String> >::iterator pos;
    pos = tableData->find(nameLocal); //find particle type
    
    if (pos != tableData->end())
      {
        G4MicroElecCrossSectionDataSet_new* table = pos->second;
        if (table != 0)
          {
        sigma = table->FindValue(ekin);
                
        if (Mion_c2 > proton_mass_c2) {
          sigma = 0.;
          for (G4int i = 0; i < currentMaterialStructure->NumberOfLevels(); i++) {
            Zeff = BKZ(ekin / (proton_mass_c2 / Mion_c2), Mion_c2 / c_squared, Z, currentMaterialStructure->Energy(i)); // il faut garder le vrai ekin car le calcul à l'interieur de la methode convertie l'énergie en vitesse
            Zeff2 = Zeff*Zeff;
            sigma += Zeff2*table->FindShellValue(ekin, i); 
// il faut utiliser le ekin mis à l'echelle pour chercher la bonne 
// valeur dans les tables proton
        
          }
        }
        else {
          sigma = table->FindValue(ekin);
        }
          }
      }
    else
      {
        G4Exception("G4MicroElecInelasticModel_new::CrossSectionPerVolume", 
                        "em0002", FatalException, 
                        "Model not applicable to particle type.");
      }
      }
    else
      {
    return 1 / DBL_MAX;
      }
    
    if (verboseLevel > 3)
      {
    G4cout << "---> Kinetic energy (eV)=" << ekin / eV << G4endl;
    G4cout << " - Cross section per Si atom (cm^2)=" << sigma / cm2 << G4endl;
    G4cout << " - Cross section per Si atom (cm^-1)=" << sigma*density / (1. / cm) << G4endl;
      }
        
    return (sigma)*density;
  }
}

◆ DifferentialCrossSection()

G4double G4MicroElecInelasticModel_new::DifferentialCrossSection	(	const G4ParticleDefinition *	aParticleDefinition,
		G4double	k,
		G4double	energyTransfer,
		G4int	shell )

Definition at line 1109 of file G4MicroElecInelasticModel_new.cc.

{
  G4double sigma = 0.;
  
  if (energyTransfer >= currentMaterialStructure->GetLimitEnergy(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())
    {
      
      dataDiffCSMap::iterator iterator_Proba;
      iterator_Proba = eDiffDatatable.find(currentMaterial);
      
      incidentEnergyMap::iterator iterator_Nrj;
      iterator_Nrj = eIncidentEnergyStorage.find(currentMaterial);
      
      TranfEnergyMap::iterator iterator_TransfNrj;
      iterator_TransfNrj = eVecmStorage.find(currentMaterial);
      
      if (iterator_Proba != eDiffDatatable.end() && iterator_Nrj != eIncidentEnergyStorage.end() 
          && iterator_TransfNrj!= eVecmStorage.end())
        {   
          vector<TriDimensionMap>* eDiffCrossSectionData = (iterator_Proba->second);
          vector<G4double>* eTdummyVec = iterator_Nrj->second; //Incident energies for interpolation
          VecMap* eVecm = iterator_TransfNrj->second;
          
          // k should be in eV and energy transfer eV also
          auto t2 = std::upper_bound(eTdummyVec->begin(), eTdummyVec->end(), k);
          auto t1 = t2 - 1;
          // SI : the following condition avoids situations where energyTransfer >last vector element
          if (energyTransfer <= (*eVecm)[(*t1)].back() && energyTransfer <= (*eVecm)[(*t2)].back())
        {
          auto e12 = std::upper_bound((*eVecm)[(*t1)].begin(), (*eVecm)[(*t1)].end(), energyTransfer);
          auto e11 = e12 - 1;         
          auto e22 = std::upper_bound((*eVecm)[(*t2)].begin(), (*eVecm)[(*t2)].end(), energyTransfer);
          auto 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];
        }
        }
      else {
        G4String str = "Material ";
        str += currentMaterial + " not found!";
        G4Exception("G4MicroElecDielectricModels::DifferentialCrossSection", "em0002", FatalException, str);
      }
    }
      
      if (particleDefinition == G4Proton::ProtonDefinition())
    {     
      dataDiffCSMap::iterator iterator_Proba;
      iterator_Proba = pDiffDatatable.find(currentMaterial);
      
      incidentEnergyMap::iterator iterator_Nrj;
      iterator_Nrj = pIncidentEnergyStorage.find(currentMaterial);
      
      TranfEnergyMap::iterator iterator_TransfNrj;
      iterator_TransfNrj = pVecmStorage.find(currentMaterial);
      
      if (iterator_Proba != pDiffDatatable.end() && iterator_Nrj != pIncidentEnergyStorage.end() 
          && iterator_TransfNrj != pVecmStorage.end())
        {
          vector<TriDimensionMap>* pDiffCrossSectionData = (iterator_Proba->second);
          vector<G4double>* pTdummyVec = iterator_Nrj->second; //Incident energies for interpolation
          VecMap* pVecm = iterator_TransfNrj->second;
                  
          // k should be in eV and energy transfer eV also
          auto t2 = 
        std::upper_bound(pTdummyVec->begin(), pTdummyVec->end(), k);
          auto t1 = t2 - 1;
          if (energyTransfer <= (*pVecm)[(*t1)].back() && energyTransfer <= (*pVecm)[(*t2)].back())
        {
          auto e12 = std::upper_bound((*pVecm)[(*t1)].begin(), (*pVecm)[(*t1)].end(), energyTransfer);
          auto e11 = e12 - 1;         
          auto e22 = std::upper_bound((*pVecm)[(*t2)].begin(), (*pVecm)[(*t2)].end(), energyTransfer);
          auto 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];
        }
        }
      else {
        G4String str = "Material ";
        str += currentMaterial + " not found!";
        G4Exception("G4MicroElecDielectricModels::DifferentialCrossSection", "em0002", FatalException, str);
      }
    }
      
      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;
}

◆ Initialise()

void G4MicroElecInelasticModel_new::Initialise	(	const G4ParticleDefinition *	particle,
		const G4DataVector &	)

overridevirtual

Implements G4VEmModel.

Definition at line 197 of file G4MicroElecInelasticModel_new.cc.

{
  if (isInitialised) { return; }
 
  if (verboseLevel > 3)
    G4cout << "Calling G4MicroElecInelasticModel_new::Initialise()" << G4endl;
  
  const char* path = G4FindDataDir("G4LEDATA");
  if (!path)
    {
      G4Exception("G4MicroElecElasticModel_new::Initialise","em0006",FatalException,"G4LEDATA environment variable not set.");
      return;
    }
  
  G4String modelName = "mermin";
  G4cout << "****************************" << G4endl;
  G4cout << modelName << " model loaded !" << G4endl;
  
  // Energy limits 
  G4ParticleDefinition* electronDef = G4Electron::ElectronDefinition();
  G4ParticleDefinition* protonDef = G4Proton::ProtonDefinition();
  G4String electron = electronDef->GetParticleName();
  G4String proton = protonDef->GetParticleName();
  
  G4double scaleFactor = 1.0;
  
    // *** ELECTRON 
  lowEnergyLimit[electron] = 2 * eV;
  highEnergyLimit[electron] = 10.0 * MeV;
  
  // Cross section
  G4ProductionCutsTable* theCoupleTable = G4ProductionCutsTable::GetProductionCutsTable();
  G4int numOfCouples = (G4int)theCoupleTable->GetTableSize();
  
  for (G4int i = 0; i < numOfCouples; ++i) {
    const G4Material* material = theCoupleTable->GetMaterialCutsCouple(i)->GetMaterial();
    G4cout << "Material " << i + 1 << " / " << numOfCouples << " : " << material->GetName() << G4endl;
    if (material->GetName() == "Vacuum") continue;
    G4String mat = material->GetName().substr(3, material->GetName().size());   
    MapData* tableData = new MapData;
    currentMaterialStructure = new G4MicroElecMaterialStructure(mat);
    
    tableMaterialsStructures[mat] = currentMaterialStructure;
    if (particle == electronDef) {
      //TCS
      G4String fileElectron("Inelastic/" + modelName + "_sigma_inelastic_e-_" + mat);
      G4cout << fileElectron << G4endl;
      G4MicroElecCrossSectionDataSet_new* tableE = new G4MicroElecCrossSectionDataSet_new(new G4LogLogInterpolation, MeV, scaleFactor);
      tableE->LoadData(fileElectron);
      tableData->insert(make_pair(electron, tableE));
      
      // DCS
      std::ostringstream eFullFileName;
      if (fasterCode) {
    eFullFileName << path << "/microelec/Inelastic/cumulated_" + modelName + "_sigmadiff_inelastic_e-_" + mat + ".dat";
    G4cout << "Faster code = true" << G4endl;
    G4cout << "Inelastic/cumulated_" + modelName + "_sigmadiff_inelastic_e-_" + mat + ".dat" << G4endl;
      }
      else {
    eFullFileName << path << "/microelec/Inelastic/" + modelName + "_sigmadiff_inelastic_e-_" + mat + ".dat";
    G4cout << "Faster code = false" << G4endl;
    G4cout << "Inelastic/" + modelName + "_sigmadiff_inelastic_e-_" + mat + ".dat" << G4endl;
      }
      
      std::ifstream eDiffCrossSection(eFullFileName.str().c_str());
      if (!eDiffCrossSection)
    {
      std::stringstream ss;
      ss << "Missing data " << eFullFileName.str().c_str();
      std::string sortieString = ss.str();
          
      if (fasterCode) G4Exception("G4MicroElecInelasticModel_new::Initialise", "em0003",
                      FatalException, sortieString.c_str());
      else {
        G4Exception("G4MicroElecInelasticModel_new::Initialise", "em0003",
            FatalException, "Missing data file:/microelec/sigmadiff_inelastic_e_Si.dat");
      }   
    }
      
      // Clear the arrays for re-initialization case (MT mode)
      // Octobre 22nd, 2014 - Melanie Raine      
      //Creating vectors of maps for DCS and Cumulated DCS for the current material.
      //Each vector is storing one map for each shell.      
      G4bool isUsed1 = false;
      vector<TriDimensionMap>* eDiffCrossSectionData = 
    new vector<TriDimensionMap>; //Storage of [IncidentEnergy, TransfEnergy, DCS values], used in slower code
      vector<TriDimensionMap>* eNrjTransfData = 
    new vector<TriDimensionMap>; //Storage of possible transfer energies by shell
      vector<VecMap>* eProbaShellMap = new vector<VecMap>; //Storage of the vectors containing all cumulated DCS values for an initial energy, by shell
      vector<G4double>* eTdummyVec = new vector<G4double>; //Storage of incident energies for interpolation
      VecMap* eVecm = new VecMap; //Transfered energy map for slower code
      
      for (G4int j = 0; j < currentMaterialStructure->NumberOfLevels(); ++j) //Filling the map vectors with an empty map for each shell
    {
      eDiffCrossSectionData->push_back(TriDimensionMap());
      eNrjTransfData->push_back(TriDimensionMap());
      eProbaShellMap->push_back(VecMap());
    }
      
      eTdummyVec->push_back(0.);
      while (!eDiffCrossSection.eof())
    {
      G4double tDummy; //incident energy
      G4double eDummy; //transfered energy
      eDiffCrossSection >> tDummy >> eDummy;
      if (tDummy != eTdummyVec->back()) eTdummyVec->push_back(tDummy);
      
      G4double tmp; //probability
      for (G4int j = 0; j < currentMaterialStructure->NumberOfLevels(); ++j)
        {
          eDiffCrossSection >> tmp;       
          (*eDiffCrossSectionData)[j][tDummy][eDummy] = tmp;
          
          if (fasterCode)
        {
          (*eNrjTransfData)[j][tDummy][(*eDiffCrossSectionData)[j][tDummy][eDummy]] = eDummy;
          (*eProbaShellMap)[j][tDummy].push_back((*eDiffCrossSectionData)[j][tDummy][eDummy]);
        }
          else {  // SI - only if eof is not reached !
        (*eDiffCrossSectionData)[j][tDummy][eDummy] *= scaleFactor;
        (*eVecm)[tDummy].push_back(eDummy);
          }
        }
    }
      //
      //G4cout << "add to material vector" << G4endl;
      
      //Filing maps for the current material into the master maps
      if (fasterCode) {
    isUsed1 = true;
    eNrjTransStorage[mat] = eNrjTransfData;
    eProbaShellStorage[mat] = eProbaShellMap;
      }
      else {
    eDiffDatatable[mat] = eDiffCrossSectionData;
    eVecmStorage[mat] = eVecm;
      }
      eIncidentEnergyStorage[mat] = eTdummyVec;
 
      //Cleanup support vectors
      if (!isUsed1) {
    delete eProbaShellMap;
        delete eNrjTransfData;
      } else {
        delete eDiffCrossSectionData;
    delete eVecm;
      }
    }
    
    // *** PROTON
    if (particle == protonDef)
      {
    // Cross section
    G4String fileProton("Inelastic/" + modelName + "_sigma_inelastic_p_" + mat); G4cout << fileProton << G4endl;
    G4MicroElecCrossSectionDataSet_new* tableP = new G4MicroElecCrossSectionDataSet_new(new G4LogLogInterpolation, MeV, scaleFactor);
    tableP->LoadData(fileProton);
    tableData->insert(make_pair(proton, tableP));
 
    // DCS
    std::ostringstream pFullFileName;   
    if (fasterCode) {
      pFullFileName << path << "/microelec/Inelastic/cumulated_" + modelName + "_sigmadiff_inelastic_p_" + mat + ".dat";
      G4cout << "Faster code = true" << G4endl;
      G4cout << "Inelastic/cumulated_" + modelName + "_sigmadiff_inelastic_p_" + mat + ".dat" << G4endl;
    }
    else {
      pFullFileName << path << "/microelec/Inelastic/" + modelName + "_sigmadiff_inelastic_p_" + mat + ".dat";
      G4cout << "Faster code = false" << G4endl;
      G4cout << "Inelastic/" + modelName + "_sigmadiff_inelastic_e-_" + mat + ".dat" << G4endl;
    }
    
    std::ifstream pDiffCrossSection(pFullFileName.str().c_str());
    if (!pDiffCrossSection)
      {
        if (fasterCode) G4Exception("G4MicroElecInelasticModel_new::Initialise", "em0003",
                    FatalException, "Missing data file:/microelec/sigmadiff_cumulated_inelastic_p_Si.dat");
        else {        
          G4Exception("G4MicroElecInelasticModel_new::Initialise", "em0003",
              FatalException, "Missing data file:/microelec/sigmadiff_inelastic_p_Si.dat");
        }
      }
    
    //
    // Clear the arrays for re-initialization case (MT mode)
    // Octobre 22nd, 2014 - Melanie Raine
    //Creating vectors of maps for DCS and Cumulated DCS for the current material.
    //Each vector is storing one map for each shell.
    
    G4bool isUsed1 = false;
    vector<TriDimensionMap>* pDiffCrossSectionData = 
      new vector<TriDimensionMap>; //Storage of [IncidentEnergy, TransfEnergy, DCS values], used in slower code
    vector<TriDimensionMap>* pNrjTransfData = 
      new vector<TriDimensionMap>; //Storage of possible transfer energies by shell
    vector<VecMap>* pProbaShellMap = 
      new vector<VecMap>; //Storage of the vectors containing all cumulated DCS values for an initial energy, by shell
    vector<G4double>* pTdummyVec = 
      new vector<G4double>; //Storage of incident energies for interpolation
    VecMap* pVecm = new VecMap; //Transfered energy map for slower code
 
    for (G4int j = 0; j < currentMaterialStructure->NumberOfLevels(); ++j) 
      //Filling the map vectors with an empty map for each shell
      {
        pDiffCrossSectionData->push_back(TriDimensionMap());
        pNrjTransfData->push_back(TriDimensionMap());
        pProbaShellMap->push_back(VecMap());
      }
    
    pTdummyVec->push_back(0.);
    while (!pDiffCrossSection.eof())
      {
        G4double tDummy; //incident energy
        G4double eDummy; //transfered energy
        pDiffCrossSection >> tDummy >> eDummy;
        if (tDummy != pTdummyVec->back()) pTdummyVec->push_back(tDummy);
        
        G4double tmp; //probability
        for (G4int j = 0; j < currentMaterialStructure->NumberOfLevels(); j++)
          {
        pDiffCrossSection >> tmp;   
        (*pDiffCrossSectionData)[j][tDummy][eDummy] = tmp; 
        // ArrayofMaps[j] -> fill with 3DMap(incidentEnergy, 
        // 2Dmap (transferedEnergy,proba=tmp) ) -> fill map for shell j 
        // with proba for transfered energy eDummy
        
        if (fasterCode)
          {
            (*pNrjTransfData)[j][tDummy][(*pDiffCrossSectionData)[j][tDummy][eDummy]] = eDummy;
            (*pProbaShellMap)[j][tDummy].push_back((*pDiffCrossSectionData)[j][tDummy][eDummy]);
          }
        else {  // SI - only if eof is not reached !
          (*pDiffCrossSectionData)[j][tDummy][eDummy] *= scaleFactor;
          (*pVecm)[tDummy].push_back(eDummy);
        }
          }
      }
    
    //Filing maps for the current material into the master maps
    if (fasterCode) {
      isUsed1 = true;
      pNrjTransStorage[mat] = pNrjTransfData;
      pProbaShellStorage[mat] = pProbaShellMap;
    }
    else {
      pDiffDatatable[mat] = pDiffCrossSectionData;
      pVecmStorage[mat] = pVecm;
    }
    pIncidentEnergyStorage[mat] = pTdummyVec;
 
    //Cleanup support vectors
    if (!isUsed1) {
      delete pProbaShellMap;
      delete pNrjTransfData;
    } else {
      delete pDiffCrossSectionData;
      delete pVecm;
    }
      }
    tableTCS[mat] = tableData;
  } 
  if (particle==electronDef)
    {
      SetLowEnergyLimit(lowEnergyLimit[electron]);
      SetHighEnergyLimit(highEnergyLimit[electron]);
    }
  
  if (particle==protonDef)
    {
      SetLowEnergyLimit(100*eV);
      SetHighEnergyLimit(10*MeV);
    }
  
  if( verboseLevel>1 )
    {
      G4cout << "MicroElec Inelastic model is initialized " << G4endl
         << "Energy range: "
         << LowEnergyLimit() / keV << " keV - "
         << HighEnergyLimit() / MeV << " MeV for "
         << particle->GetParticleName()
         << " with mass (amu) " << particle->GetPDGMass()/proton_mass_c2
         << " and charge " << particle->GetPDGCharge()
         << G4endl << G4endl ;
    }
  
  fAtomDeexcitation  = G4LossTableManager::Instance()->AtomDeexcitation();
 
  fParticleChangeForGamma = GetParticleChangeForGamma();
  isInitialised = true;
}

◆ operator=()

G4MicroElecInelasticModel_new & G4MicroElecInelasticModel_new::operator= ( const G4MicroElecInelasticModel_new & right )

delete

◆ SampleSecondaries()

void G4MicroElecInelasticModel_new::SampleSecondaries	(	std::vector< G4DynamicParticle * > *	fvect,
		const G4MaterialCutsCouple *	couple,
		const G4DynamicParticle *	particle,
		G4double	tmin,
		G4double	maxEnergy )

overridevirtual

Implements G4VEmModel.

Definition at line 597 of file G4MicroElecInelasticModel_new.cc.

{
  
  if (verboseLevel > 3)
    G4cout << "Calling SampleSecondaries() of G4MicroElecInelasticModel" << G4endl;
  
  G4int pdg = particle->GetParticleDefinition()->GetPDGEncoding();
  G4double lowLim = currentMaterialStructure->GetInelasticModelLowLimit(pdg);
  G4double highLim = currentMaterialStructure->GetInelasticModelHighLimit(pdg);
  
  G4double ekin = particle->GetKineticEnergy();
  G4double k = ekin ;
  
  G4ParticleDefinition* PartDef = particle->GetDefinition();
  const G4String& particleName = PartDef->GetParticleName();
  G4String nameLocal2 = particleName ;
  G4double particleMass = particle->GetDefinition()->GetPDGMass();
  G4double originalMass = particleMass; // a passer en argument dans samplesecondaryenergy pour évaluer correctement Qmax
  G4int originalZ = particle->GetDefinition()->GetAtomicNumber();
  
  if (particleMass > proton_mass_c2)
    {
      k *= proton_mass_c2/particleMass ;
      PartDef = G4Proton::ProtonDefinition();
      nameLocal2 = "proton" ;
    }
   
  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 = 1;
      
      Shell = RandomSelect(k,nameLocal2,originalMass, originalZ);
            
      G4double bindingEnergy = currentMaterialStructure->Energy(Shell);
      G4double limitEnergy = currentMaterialStructure->GetLimitEnergy(Shell);
      
      G4bool weaklyBound = currentMaterialStructure->IsShellWeaklyBound(Shell);
      
      if (verboseLevel > 3)
    {
      G4cout << "---> Kinetic energy (eV)=" << k/eV << G4endl ;
      G4cout << "Shell: " << Shell << ", energy: " << bindingEnergy/eV << G4endl;
    }
      
      
      if (k<limitEnergy) {
        if (weaklyBound && k > currentMaterialStructure->GetEnergyGap()) {
            limitEnergy = currentMaterialStructure->GetEnergyGap();
        }
        else return; }
      
      // sample deexcitation
      
      std::size_t secNumberInit = 0;  // need to know at a certain point the energy of secondaries
      std::size_t secNumberFinal = 0; // So I'll make the difference and then sum the energies
 
      //    G4cout << currentMaterial << G4endl;
      G4int Z = currentMaterialStructure->GetZ(Shell);     
      G4int shellEnum = currentMaterialStructure->GetEADL_Enumerator(Shell);
      if (currentMaterialStructure->IsShellWeaklyBound(Shell)) { shellEnum = -1; }
      
      if(fAtomDeexcitation && shellEnum >=0) 
    {
      //        G4cout << "enter if deex and shell 0" << G4endl;
      G4AtomicShellEnumerator as = G4AtomicShellEnumerator(shellEnum);
      const G4AtomicShell* shell = fAtomDeexcitation->GetAtomicShell(Z, as);
      secNumberInit = fvect->size();
      fAtomDeexcitation->GenerateParticles(fvect, shell, Z, 0, 0);
      secNumberFinal = fvect->size();
    }
            
      G4double secondaryKinetic=-1000*eV;
      SEFromFermiLevel = false;
      if (!fasterCode)
    {
      secondaryKinetic = RandomizeEjectedElectronEnergy(PartDef, k, Shell, originalMass, originalZ);      
    }
      else 
    {
      secondaryKinetic = RandomizeEjectedElectronEnergyFromCumulatedDcs(PartDef, k, Shell) ;
    }
 
      if (verboseLevel > 3)
    {
      G4cout << "Ionisation process" << G4endl;
      G4cout << "Shell: " << Shell << " Kin. energy (eV)=" << k/eV
         << " Sec. energy (eV)=" << secondaryKinetic/eV << G4endl;
    }
      G4ThreeVector deltaDirection =
    GetAngularDistribution()->SampleDirectionForShell(particle, secondaryKinetic,
                              Z, Shell,
                              couple->GetMaterial());
      
      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 (std::size_t j=secNumberInit; j < secNumberFinal; ++j) {
        deexSecEnergy = deexSecEnergy + (*fvect)[j]->GetKineticEnergy();
      }      
      // correction CI 12/01/2023 limit energy  = gap
      //if (SEFromFermiLevel) limitEnergy = currentMaterialStructure->GetEnergyGap();
      //fParticleChangeForGamma->SetProposedKineticEnergy(ekin - secondaryKinetic - limitEnergy); //Ef = Ei-(Q-El)-El = Ei-Q
      //fParticleChangeForGamma->ProposeLocalEnergyDeposit(limitEnergy - deexSecEnergy);
      
      // correction CI 09/03/2022 limit energy  = gap
      //if (!SEFromFermiLevel && weaklyBound) limitEnergy += currentMaterialStructure->GetInitialEnergy();
      //if (!SEFromFermiLevel && weaklyBound) limitEnergy += currentMaterialStructure->GetEnergyGap();
      fParticleChangeForGamma->SetProposedKineticEnergy(ekin - secondaryKinetic-limitEnergy); //Ef = Ei-(Q-El)-El = Ei-Q
      fParticleChangeForGamma->ProposeLocalEnergyDeposit(limitEnergy-deexSecEnergy);
      
      if (secondaryKinetic>0)
    {  
      G4DynamicParticle* dp = new G4DynamicParticle(G4Electron::Electron(), deltaDirection, secondaryKinetic); //Esec = Q-El
      fvect->push_back(dp);
    }      
    }
}

◆ stepFunc()

G4double G4MicroElecInelasticModel_new::stepFunc ( G4double x )

Definition at line 1393 of file G4MicroElecInelasticModel_new.cc.

                                                           {
  return (x < 0.) ? 1.0 : 0.0;
}

Referenced by vrkreussler().

◆ vrkreussler()

G4double G4MicroElecInelasticModel_new::vrkreussler	(	G4double	v,
		G4double	vF )

Definition at line 1399 of file G4MicroElecInelasticModel_new.cc.

{
  G4double r = vF*( std::pow(v/vF+1., 3.) - fabs(std::pow(v/vF-1., 3.)) 
            + 4.*(v/vF)*(v/vF) ) + stepFunc(v/vF-1.) * (3./2.*v/vF - 
                                4.*(v/vF)*(v/vF) + 3.*std::pow(v/vF, 3.) 
                                - 0.5*std::pow(v/vF, 5.));
  return r/(10.*v/vF);
}

Referenced by BKZ().

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

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ G4MicroElecInelasticModel_new() [1/2]

◆ ~G4MicroElecInelasticModel_new()

◆ G4MicroElecInelasticModel_new() [2/2]

Member Function Documentation

◆ BKZ()

◆ ComputeElasticQmax()

◆ ComputeRelativistVelocity()

◆ CrossSectionPerVolume()

◆ DifferentialCrossSection()

◆ Initialise()

◆ operator=()

◆ SampleSecondaries()

◆ stepFunc()

◆ vrkreussler()