#include <G4MicroElecElasticModel_new.hh>

Inheritance diagram for G4MicroElecElasticModel_new:

Public Member Functions
	G4MicroElecElasticModel_new (const G4ParticleDefinition *p=0, const G4String &nam="MicroElecElasticModel")

	~G4MicroElecElasticModel_new () override

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

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

G4double	AcousticCrossSectionPerVolume (G4double ekin, G4double kbz, G4double rho, G4double cs, G4double Aac, G4double Eac, G4double prefactor)

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

void	SetKillBelowThreshold (G4double threshold)

G4double	GetKillBelowThreshold ()

G4double	DamageEnergy (G4double T, G4double A, G4double Z)

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

virtual	~G4VEmModel ()

virtual void	Initialise (const G4ParticleDefinition *, const G4DataVector &)=0

virtual void	SampleSecondaries (std::vector< G4DynamicParticle * > , const G4MaterialCutsCouple , const G4DynamicParticle *, G4double tmin=0.0, G4double tmax=DBL_MAX)=0

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	CrossSectionPerVolume (const G4Material , const G4ParticleDefinition , G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=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	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) const

void	SetPolarAngleLimit (G4double)

void	SetSecondaryThreshold (G4double)

void	SetLPMFlag (G4bool val)

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)

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

	G4VEmModel (const G4VEmModel &)=delete

Protected Attributes
G4ParticleChangeForGamma *	fParticleChangeForGamma

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

size_t	currentCoupleIndex = 0

size_t	basedCoupleIndex = 0

G4bool	lossFlucFlag = true

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 *)

Detailed Description

Definition at line 91 of file G4MicroElecElasticModel_new.hh.

Constructor & Destructor Documentation

◆ G4MicroElecElasticModel_new()

G4MicroElecElasticModel_new::G4MicroElecElasticModel_new	(	const G4ParticleDefinition *	p = `0`,
		const G4String &	nam = `"MicroElecElasticModel"`
	)

Definition at line 88 of file G4MicroElecElasticModel_new.cc.

  :G4VEmModel(nam), isInitialised(false)
{ 
  killBelowEnergy = 0.1*eV;     // Minimum e- energy for energy loss by excitation
  lowEnergyLimit = 0.1 * eV;
  lowEnergyLimitOfModel = 10 * eV; // The model lower energy is 10 eV
  highEnergyLimit = 500. * keV;
  SetLowEnergyLimit(lowEnergyLimit);
  SetHighEnergyLimit(highEnergyLimit);
  
  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 Elastic model is constructed " << G4endl
         << "Energy range: "
         << lowEnergyLimit / eV << " eV - "
         << highEnergyLimit / MeV << " MeV"
         << G4endl;
    }
  fParticleChangeForGamma = 0;
  
  killElectron = false;
  acousticModelEnabled = false;
  currentMaterialName = "";  
  isOkToBeInitialised = false;
}

◆ ~G4MicroElecElasticModel_new()

G4MicroElecElasticModel_new::~G4MicroElecElasticModel_new ( )

override

Definition at line 125 of file G4MicroElecElasticModel_new.cc.

{
  // For total cross section
  TCSMap::iterator pos2;
  for (pos2 = tableTCS.begin(); pos2 != tableTCS.end(); ++pos2) {
    MapData* tableData = pos2->second;
    std::map< G4String, G4MicroElecCrossSectionDataSet_new*, std::less<G4String> >::iterator pos;
    for (pos = tableData->begin(); pos != tableData->end(); ++pos)
      {
    G4MicroElecCrossSectionDataSet_new* table = pos->second;
    delete table;
      }
    delete tableData;
  }
  
  //Clearing DCS maps
  
  ThetaMap::iterator iterator_angle;
  for (iterator_angle = thetaDataStorage.begin(); iterator_angle != thetaDataStorage.end(); ++iterator_angle) {
    TriDimensionMap* eDiffCrossSectionData = iterator_angle->second;
    eDiffCrossSectionData->clear();
    delete eDiffCrossSectionData;
  }
  
  energyMap::iterator iterator_energy;
  for (iterator_energy = eIncidentEnergyStorage.begin(); iterator_energy != eIncidentEnergyStorage.end(); ++iterator_energy) {
    std::vector<G4double>* eTdummyVec = iterator_energy->second;
    eTdummyVec->clear();
    delete eTdummyVec;
  }
  
  ProbaMap::iterator iterator_proba;
  for (iterator_proba = eProbaStorage.begin(); iterator_proba != eProbaStorage.end(); ++iterator_proba) {
    VecMap* eVecm = iterator_proba->second;
    eVecm->clear();
    delete eVecm;
  }
  
}

Member Function Documentation

◆ AcousticCrossSectionPerVolume()

G4double G4MicroElecElasticModel_new::AcousticCrossSectionPerVolume	(	G4double	ekin,
		G4double	kbz,
		G4double	rho,
		G4double	cs,
		G4double	Aac,
		G4double	Eac,
		G4double	prefactor
	)

Definition at line 404 of file G4MicroElecElasticModel_new.cc.

{
  
  G4double e = 1.6e-19,
    m0 = 9.10938356e-31,
    h = 1.0546e-34,
    kb = 1.38e-23;
  
  G4double E = (ekin / eV) * e;
  G4double D = (2 / (std::sqrt(2) * std::pow(pi, 2) * std::pow(h, 3))) * (1 + 2 * E) * std::pow(m0, 1.5) * std::sqrt(E);
  
  // Parametres SiO2
  G4double T = 300,
    Ebz = (std::pow(h, 2) * std::pow(kbz, 2)) / (2 * m0),
    hwbz = cs * kbz * h,
    nbz = 1.0 / (exp(hwbz / (kb * T)) - 1),
    Pac;
  
  if (E < Ebz / 4.0)
    {
      Pac = ((pi * kb * T) / (h * std::pow(cs, 2) * rho)) * (std::pow(Eac, 2) * D) / (1 + (E / Aac));
    }
  
  else if (E > Ebz) //Screened relationship
    {
      Pac = ((2 * pi * m0 * (2 * nbz + 1)) / (h * rho * hwbz)) * std::pow(Eac, 2) * D * E * 2 * std::pow((Aac / E), 2) * (((-E / Aac) / (1 + (E / Aac))) + log(1 + (E / Aac)));
    }
  else //Linear interpolation
    {
      G4double fEbz = ((2 * pi * m0 * (2 * nbz + 1)) / (h * rho * hwbz)) * std::pow(Eac, 2) * D * Ebz * 2 * std::pow((Aac / Ebz), 2) * (((-Ebz / Aac) / (1 + (Ebz / Aac))) + log(1 + (Ebz / Aac)));
      G4double fEbz4 = ((pi * kb * T) / (h * std::pow(cs, 2) * rho)) * (std::pow(Eac, 2) * D) / (1 + ((Ebz / 4) / Aac));
      G4double alpha = ((fEbz - fEbz4) / (Ebz - (Ebz / 4)));
      Pac = alpha * E + (fEbz - alpha * Ebz);
    }
  
  G4double MFP = (std::sqrt(2 * E / m0) / (prefactor * Pac)) * m;
  
  return  1 / MFP;  
}

Referenced by CrossSectionPerVolume().

◆ CrossSectionPerVolume()

G4double G4MicroElecElasticModel_new::CrossSectionPerVolume	(	const G4Material *	material,
		const G4ParticleDefinition *	p,
		G4double	ekin,
		G4double	emin,
		G4double	emax
	)

overridevirtual

Reimplemented from G4VEmModel.

Definition at line 291 of file G4MicroElecElasticModel_new.cc.

{
  if (verboseLevel > 3)
    G4cout << "Calling CrossSectionPerVolume() of G4MicroElecElasticModel" << G4endl;
  
  isOkToBeInitialised = true;
  currentMaterialName = material->GetName().substr(3, material->GetName().size());
  const G4DataVector cuts;
  Initialise(p, cuts);
  // Calculate total cross section for model
  MapEnergy::iterator lowEPos;
  lowEPos = lowEnergyLimitTable.find(currentMaterialName);
  
  MapEnergy::iterator highEPos;
  highEPos = highEnergyLimitTable.find(currentMaterialName);
  
  MapEnergy::iterator killEPos;
  killEPos = workFunctionTable.find(currentMaterialName);
  
  if (lowEPos == lowEnergyLimitTable.end() || highEPos == highEnergyLimitTable.end() || killEPos == workFunctionTable.end())
    {
      G4String str = "Material ";
      str += currentMaterialName + " not found!";
      G4Exception("G4MicroElecElasticModel_new::EnergyLimits", "em0002", FatalException, str);
      return 0;
    }
  else {
    //   G4cout << "normal elastic " << G4endl;
    lowEnergyLimit = lowEPos->second;
    highEnergyLimit = highEPos->second;
    killBelowEnergy = killEPos->second;
    
  }
  
  if (ekin < killBelowEnergy) {
 
    return DBL_MAX; }
  
  G4double sigma=0;
  
  //Phonon for SiO2
  if (currentMaterialName == "SILICON_DIOXIDE" && ekin < 100 * eV) {
    acousticModelEnabled = true;
    
    //Values for SiO2
    G4double kbz = 11.54e9,
      rho = 2.2 * 1000, // [g/cm3] * 1000
      cs = 3560, //Sound speed
      Ebz = 5.1 * 1.6e-19,
      Aac = 17 * Ebz, //A screening parameter
      Eac = 3.5 * 1.6e-19, //C deformation potential
      prefactor = 2.2;// Facteur pour modifier les MFP  
    
    return AcousticCrossSectionPerVolume(ekin, kbz, rho, cs, Aac, Eac, prefactor);
  }
  
  //Elastic
  else {
    acousticModelEnabled = false;
    
    G4double density = material->GetTotNbOfAtomsPerVolume();
    const G4String& particleName = p->GetParticleName();    
    
    TCSMap::iterator tablepos;
    tablepos = tableTCS.find(currentMaterialName);
    
    if (tablepos != tableTCS.end())
      {
    MapData* tableData = tablepos->second;
    
    if (ekin >= lowEnergyLimit && ekin < highEnergyLimit)
      { 
        std::map< G4String, G4MicroElecCrossSectionDataSet_new*, std::less<G4String> >::iterator pos;
        pos = tableData->find(particleName);
        
        if (pos != tableData->end())
          {
        G4MicroElecCrossSectionDataSet_new* table = pos->second;
        if (table != 0)
          {
            sigma = table->FindValue(ekin);
          }
          }
        else
          {
        G4Exception("G4MicroElecElasticModel_new::ComputeCrossSectionPerVolume", "em0002", FatalException, "Model not applicable to particle type.");
          }
      }
    else return 1 / DBL_MAX;
      }
    else
      {
    G4String str = "Material ";
    str += currentMaterialName + " TCS table not found!";
    G4Exception("G4MicroElecElasticModel_new::ComputeCrossSectionPerVolume", "em0002", FatalException, str);
      }
    
    if (verboseLevel > 3)
      {
    G4cout << "---> Kinetic energy(eV)=" << ekin / eV << G4endl;
    G4cout << " - Cross section per Si atom (cm^2)=" << sigma / cm / cm << G4endl;
    G4cout << " - Cross section per Si atom (cm^-1)=" << sigma*density / (1. / cm) << G4endl;
      }
    return sigma*density;   
  }
}

◆ DamageEnergy()

G4double G4MicroElecElasticModel_new::DamageEnergy	(	G4double	T,
		G4double	A,
		G4double	Z
	)

Definition at line 505 of file G4MicroElecElasticModel_new.cc.

{
  //.................. T in  eV!!!!!!!!!!!!!
  G4double Z2= Z;
  G4double M2= A;
  G4double k_d;
  G4double epsilon_d;
  G4double g_epsilon_d;
  G4double E_nu;
 
  k_d=0.1334*std::pow(Z2,(2./3.))*std::pow(M2,(-1./2.));
  epsilon_d=0.01014*std::pow(Z2,(-7./3.))*(T/eV);
  g_epsilon_d= epsilon_d+0.40244*std::pow(epsilon_d,(3./4.))+3.4008*std::pow(epsilon_d,(1./6.));
  
  E_nu=1./(1.+ k_d*g_epsilon_d);
  
  return E_nu;
}

◆ GetKillBelowThreshold()

G4double G4MicroElecElasticModel_new::GetKillBelowThreshold ( )

inline

Definition at line 119 of file G4MicroElecElasticModel_new.hh.

119{ return killBelowEnergy; }

◆ Initialise()

void G4MicroElecElasticModel_new::Initialise	(	const G4ParticleDefinition *	,
		const G4DataVector &
	)

overridevirtual

Implements G4VEmModel.

Definition at line 167 of file G4MicroElecElasticModel_new.cc.

{
  if (isOkToBeInitialised == true && isInitialised == false) {
      
    if (verboseLevel > -1)
      G4cout << "Calling G4MicroElecElasticModel_new::Initialise()" << G4endl;
    // Energy limits
    // Reading of data files
    
    G4double scaleFactor = 1e-18 * cm * cm;
    
    G4ProductionCutsTable* theCoupleTable =
      G4ProductionCutsTable::GetProductionCutsTable();
    G4int numOfCouples = (G4int)theCoupleTable->GetTableSize();
    
    for (G4int i = 0; i < numOfCouples; ++i) {
      const G4Material* material =
    theCoupleTable->GetMaterialCutsCouple(i)->GetMaterial();
      
      //theCoupleTable->GetMaterialCutsCouple(i)->;
      
      G4cout << "MicroElasticModel, Material " << i + 1 << " / " << numOfCouples << " : " << material->GetName() << G4endl;
      if (material->GetName() == "Vacuum") continue;
      
      G4String matName = material->GetName().substr(3, material->GetName().size());
      G4cout<< matName<< G4endl;
      
      currentMaterialStructure = new G4MicroElecMaterialStructure(matName);
      lowEnergyLimitTable[matName]=currentMaterialStructure->GetElasticModelLowLimit();
      highEnergyLimitTable[matName]=currentMaterialStructure->GetElasticModelHighLimit();
      workFunctionTable[matName] = currentMaterialStructure->GetWorkFunction();
      
      delete currentMaterialStructure;
      
      G4cout << "Reading TCS file" << G4endl;       
      G4String fileElectron = "Elastic/elsepa_elastic_cross_e_" + matName;
      G4cout << "Elastic Total Cross file : " << fileElectron << G4endl;
      
      G4ParticleDefinition* electronDef = G4Electron::ElectronDefinition();
      G4String electron = electronDef->GetParticleName();
      
      // For total cross section      
      MapData* tableData = new MapData();
      
      G4MicroElecCrossSectionDataSet_new* tableE = new G4MicroElecCrossSectionDataSet_new(new G4LogLogInterpolation, eV, scaleFactor);
      tableE->LoadData(fileElectron);
      tableData->insert(make_pair(electron, tableE));
      tableTCS[matName] = tableData; //Storage of TCS
      
      // For final state
      const char* path = G4FindDataDir("G4LEDATA");
      if (!path)
    {
      G4Exception("G4MicroElecElasticModel_new::Initialise","em0006",FatalException,"G4LEDATA environment variable not set.");
      return;
    }
      
      //Reading DCS file
      std::ostringstream eFullFileName;
      eFullFileName << path << "/microelec/Elastic/elsepa_elastic_cumulated_diffcross_e_" + matName + ".dat";
      G4cout << "Elastic Cumulated Diff Cross : " << eFullFileName.str().c_str() << G4endl;
      std::ifstream eDiffCrossSection(eFullFileName.str().c_str());
      
      if (!eDiffCrossSection)
    G4Exception("G4MicroElecElasticModel_new::Initialise", "em0003", FatalException, "Missing data file: /microelec/sigmadiff_cumulated_elastic_e_Si.dat");
     
      // October 21th, 2014 - Melanie Raine
      // Added clear for MT
      // Diff Cross Sections in cumulated mode      
      TriDimensionMap* eDiffCrossSectionData = new TriDimensionMap(); //Angles 
      std::vector<G4double>* eTdummyVec = new std::vector<G4double>; //Incident energy vector
      VecMap* eProbVec = new VecMap; //Probabilities
      
      eTdummyVec->push_back(0.);
      
      while (!eDiffCrossSection.eof())
    {
      G4double tDummy; //incident energy
      G4double eProb; //Proba
      eDiffCrossSection >> tDummy >> eProb;
      
      // SI : mandatory eVecm initialization      
      if (tDummy != eTdummyVec->back())
        {
          eTdummyVec->push_back(tDummy); //adding values for incident energy points
          (*eProbVec)[tDummy].push_back(0.); //adding probability for the first angle, equal to 0       
        }
      
      eDiffCrossSection >> (*eDiffCrossSectionData)[tDummy][eProb]; //adding Angle Value to map
      
      if (eProb != (*eProbVec)[tDummy].back()) {
        (*eProbVec)[tDummy].push_back(eProb); //Adding cumulated proba to map
      }
      
    }
      
      //Filling maps for the material
      thetaDataStorage[matName] = eDiffCrossSectionData;
      eIncidentEnergyStorage[matName] = eTdummyVec;
      eProbaStorage[matName] = eProbVec;
    }
    // End final state
    
    if (verboseLevel > 2)
      G4cout << "Loaded cross section files for MicroElec Elastic model" << G4endl;
    
    if (verboseLevel > 0)
      {
    G4cout << "MicroElec Elastic model is initialized " << G4endl
           << "Energy range: "
           << LowEnergyLimit() / eV << " eV - "
           << HighEnergyLimit() / MeV << " MeV"
           << G4endl; // system("pause"); linux doesn't like
      }
    
    if (isInitialised) { return; }
    fParticleChangeForGamma = GetParticleChangeForGamma();
    isInitialised = true;
  }
}

Referenced by CrossSectionPerVolume().

◆ SampleSecondaries()

void G4MicroElecElasticModel_new::SampleSecondaries	(	std::vector< G4DynamicParticle * > *	,
		const G4MaterialCutsCouple *	,
		const G4DynamicParticle *	aDynamicElectron,
		G4double	tmin,
		G4double	maxEnergy
	)

overridevirtual

Implements G4VEmModel.

Definition at line 453 of file G4MicroElecElasticModel_new.cc.

{
 
  if (verboseLevel > 3)
    G4cout << "Calling SampleSecondaries() of G4MicroElecElasticModel" << G4endl;
  
  G4double electronEnergy0 = aDynamicElectron->GetKineticEnergy();
  
 if (electronEnergy0 < killBelowEnergy)
   {
     fParticleChangeForGamma->SetProposedKineticEnergy(0.);
     fParticleChangeForGamma->ProposeTrackStatus(fStopAndKill);
     fParticleChangeForGamma->ProposeLocalEnergyDeposit(electronEnergy0);
     return;
   }
 
 if (electronEnergy0 < highEnergyLimit)
   {
     G4double cosTheta = 0;
     if (acousticModelEnabled)
       {
     cosTheta = 1 - 2 * G4UniformRand(); //Isotrope
       }
     else if (electronEnergy0 >= lowEnergyLimit)
       {
     cosTheta = RandomizeCosTheta(electronEnergy0);
       }
     
     G4double phi = 2. * pi * G4UniformRand();
     
     G4ThreeVector zVers = aDynamicElectron->GetMomentumDirection();
     G4ThreeVector xVers = zVers.orthogonal();
     G4ThreeVector yVers = zVers.cross(xVers);
     
     G4double xDir = std::sqrt(1. - cosTheta*cosTheta);
     G4double yDir = xDir;
     xDir *= std::cos(phi);
     yDir *= std::sin(phi);
     
     G4ThreeVector zPrimeVers((xDir*xVers + yDir*yVers + cosTheta*zVers));
     
     fParticleChangeForGamma->ProposeMomentumDirection(zPrimeVers.unit());
     fParticleChangeForGamma->SetProposedKineticEnergy(electronEnergy0);
   }
}

◆ SetKillBelowThreshold()

void G4MicroElecElasticModel_new::SetKillBelowThreshold ( G4double threshold )

Definition at line 681 of file G4MicroElecElasticModel_new.cc.

{ 
  killBelowEnergy = threshold; 
  
  if (threshold < 5*CLHEP::eV)
    {
      G4Exception ("*** WARNING : the G4MicroElecElasticModel class is not validated below 5 eV !","",JustWarning,"") ;
      threshold = 5*CLHEP::eV;
    }
}

Member Data Documentation

◆ fParticleChangeForGamma

G4ParticleChangeForGamma* G4MicroElecElasticModel_new::fParticleChangeForGamma

protected

Definition at line 124 of file G4MicroElecElasticModel_new.hh.

Referenced by G4MicroElecElasticModel_new(), Initialise(), and SampleSecondaries().

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

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ G4MicroElecElasticModel_new()

◆ ~G4MicroElecElasticModel_new()

Member Function Documentation

◆ AcousticCrossSectionPerVolume()

◆ CrossSectionPerVolume()

◆ DamageEnergy()

◆ GetKillBelowThreshold()

◆ Initialise()

◆ SampleSecondaries()

◆ SetKillBelowThreshold()

Member Data Documentation

◆ fParticleChangeForGamma