#include <G4DNAPTBExcitationModel.hh>

Inheritance diagram for G4DNAPTBExcitationModel:

Public Types
using	MapMeanEnergy = std::map<std::size_t, G4double>

Public Member Functions
	G4DNAPTBExcitationModel (const G4String &applyToMaterial="all", const G4ParticleDefinition *p=nullptr, const G4String &nam="DNAPTBExcitationModel")
	G4DNAPTBExcitationModel Constructor.

	~G4DNAPTBExcitationModel () override=default
	~G4DNAPTBExcitationModel Destructor

	G4DNAPTBExcitationModel (const G4DNAPTBExcitationModel &)=delete

G4DNAPTBExcitationModel &	operator= (const G4DNAPTBExcitationModel &right)=delete

void	Initialise (const G4ParticleDefinition *particle, const G4DataVector &) override
	Initialise Set the materials for which the model can be used and defined the energy limits.

G4double	CrossSectionPerVolume (const G4Material material, const G4ParticleDefinition p, G4double ekin, G4double emin, G4double emax) override
	CrossSectionPerVolume Retrieve the cross section corresponding to the current material, particle and energy.

void	SampleSecondaries (std::vector< G4DynamicParticle * > , const G4MaterialCutsCouple , const G4DynamicParticle *, G4double tmin, G4double tmax) override
	SampleSecondaries If the model is selected for the ModelInterface then the SampleSecondaries method will be called. The method sets the incident particle characteristics after the ModelInterface.

Public Member Functions inherited from G4VDNAModel
	G4VDNAModel (const G4String &nam, const G4String &applyToMaterial="")
	G4VDNAModel Constructeur of the G4VDNAModel class.

	~G4VDNAModel () override
	~G4VDNAModel

G4bool	IsMaterialDefine (const size_t &materialID)
	IsMaterialDefine Check if the given material is defined in the simulation.

G4bool	IsParticleExistingInModelForMaterial (const G4ParticleDefinition *particleName, const size_t &materialID)
	IsParticleExistingInModelForMaterial To check two things: 1- is the material existing in model ? 2- if yes, is the particle defined for that material ?

G4String	GetName ()
	GetName.

G4double	GetHighELimit (const size_t &materialID, const G4ParticleDefinition *particle)
	GetHighEnergyLimit.

G4double	GetLowELimit (const size_t &materialID, const G4ParticleDefinition *particle)
	GetLowEnergyLimit.

void	SetHighELimit (const size_t &materialID, const G4ParticleDefinition *particle, G4double lim)
	SetHighEnergyLimit.

void	SetLowELimit (const size_t &materialID, const G4ParticleDefinition *particle, G4double lim)
	SetLowEnergyLimit.

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)

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)

void	SetMasterThread (G4bool)

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

	G4VEmModel (const G4VEmModel &)=delete

Public Attributes
G4ParticleChangeForGamma *	fParticleChangeForGamma = nullptr

Additional Inherited Members
Protected Types inherited from G4VDNAModel
using	MaterialParticleMapData

Protected Member Functions inherited from G4VDNAModel
MaterialParticleMapData *	GetData ()
	GetTableData.

std::vector< G4String >	BuildApplyToMatVect (const G4String &materials)
	BuildApplyToMatVect Build the material name vector which is used to know the materials the user want to include in the model.

void	ReadAndSaveCSFile (const size_t &materialID, const G4ParticleDefinition *p, const G4String &file, const G4double &scaleFactor)
	ReadAndSaveCSFile Read and save a "simple" cross section file : use of G4DNACrossSectionDataSet->loadData()

G4int	RandomSelectShell (const G4double &k, const G4ParticleDefinition *particle, const size_t &materialName)
	RandomSelectShell Method to randomely select a shell from the data table uploaded. The size of the table (number of columns) is used to determine the total number of possible shells.

void	AddCrossSectionData (const size_t &materialName, const G4ParticleDefinition *particleName, const G4String &fileCS, const G4String &fileDiffCS, const G4double &scaleFactor)
	AddCrossSectionData Method used during the initialization of the model class to add a new material. It adds a material to the model and fills vectors with informations.

void	AddCrossSectionData (const size_t &materialName, const G4ParticleDefinition *particleName, const G4String &fileCS, const G4double &scaleFactor)
	AddCrossSectionData Method used during the initialization of the model class to add a new material. It adds a material to the model and fills vectors with informations. Not every model needs differential cross sections.

void	LoadCrossSectionData (const G4ParticleDefinition *particleName)
	LoadCrossSectionData Method to loop on all the registered materials in the model and load the corresponding data.

virtual void	ReadDiffCSFile (const size_t &materialName, const G4ParticleDefinition *particleName, const G4String &path, const G4double &scaleFactor)
	ReadDiffCSFile Virtual method that need to be implemented if one wish to use the differential cross sections. The read method for that kind of information is not standardized yet.

void	EnableForMaterialAndParticle (const size_t &materialID, const G4ParticleDefinition *p)
	EnableMaterialAndParticle.

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 G4VDNAModel
G4bool	isInitialised = false

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 50 of file G4DNAPTBExcitationModel.hh.

Member Typedef Documentation

◆ MapMeanEnergy

using G4DNAPTBExcitationModel::MapMeanEnergy = std::map<std::size_t, G4double>

Definition at line 53 of file G4DNAPTBExcitationModel.hh.

Constructor & Destructor Documentation

◆ G4DNAPTBExcitationModel() [1/2]

G4DNAPTBExcitationModel::G4DNAPTBExcitationModel	(	const G4String &	applyToMaterial = "all",
		const G4ParticleDefinition *	p = nullptr,
		const G4String &	nam = "DNAPTBExcitationModel" )

G4DNAPTBExcitationModel Constructor.

Parameters

applyToMaterial
p
nam

Definition at line 38 of file G4DNAPTBExcitationModel.cc.

  : G4VDNAModel(nam, applyToMaterial)
{
  fpTHF = G4Material::GetMaterial("THF", false);
  fpPY = G4Material::GetMaterial("PY", false);
  fpPU = G4Material::GetMaterial("PU", false);
  fpTMP = G4Material::GetMaterial("TMP", false);
  fpG4_WATER = G4Material::GetMaterial("G4_WATER", false);
  fpBackbone_THF = G4Material::GetMaterial("backbone_THF", false);
  fpCytosine_PY = G4Material::GetMaterial("cytosine_PY", false);
  fpThymine_PY = G4Material::GetMaterial("thymine_PY", false);
  fpAdenine_PU = G4Material::GetMaterial("adenine_PU", false);
  fpBackbone_TMP = G4Material::GetMaterial("backbone_TMP", false);
  fpGuanine_PU = G4Material::GetMaterial("guanine_PU", false);
  fpN2 = G4Material::GetMaterial("N2", false);
  // initialisation of mean energy loss for each material
 
  if (fpTHF != nullptr) {
    fTableMeanEnergyPTB[fpTHF->GetIndex()] = 8.01 * eV;
  }
 
  if (fpPY != nullptr) {
    fTableMeanEnergyPTB[fpPY->GetIndex()] = 7.61 * eV;
  }
 
  if (fpPU != nullptr) {
    fTableMeanEnergyPTB[fpPU->GetIndex()] = 7.61 * eV;
  }
  if (fpTMP != nullptr) {
    fTableMeanEnergyPTB[fpTMP->GetIndex()] = 8.01 * eV;
  }
 
  if (verboseLevel > 0) {
    G4cout << "PTB excitation model is constructed " << G4endl;
  }
}

Referenced by G4DNAPTBExcitationModel(), Initialise(), and operator=().

◆ ~G4DNAPTBExcitationModel()

G4DNAPTBExcitationModel::~G4DNAPTBExcitationModel ( )

overridedefault

~G4DNAPTBExcitationModel Destructor

◆ G4DNAPTBExcitationModel() [2/2]

G4DNAPTBExcitationModel::G4DNAPTBExcitationModel ( const G4DNAPTBExcitationModel & )

delete

Member Function Documentation

◆ CrossSectionPerVolume()

G4double G4DNAPTBExcitationModel::CrossSectionPerVolume	(	const G4Material *	material,
		const G4ParticleDefinition *	p,
		G4double	ekin,
		G4double	emin,
		G4double	emax )

overridevirtual

CrossSectionPerVolume Retrieve the cross section corresponding to the current material, particle and energy.

Parameters

material
materialName
p
ekin
emin
emax

Returns: the cross section value

Implements G4VDNAModel.

Definition at line 204 of file G4DNAPTBExcitationModel.cc.

{
  // Get the name of the current particle
  G4String particleName = p->GetParticleName();
  const std::size_t& MatID = material->GetIndex();
  // initialise variables
  G4double lowLim;
  G4double highLim;
  G4double sigma = 0;
 
  // Get the low energy limit for the current particle
  lowLim = fpModelData->GetLowELimit(MatID, p);
 
  // Get the high energy limit for the current particle
  highLim = fpModelData->GetHighELimit(MatID, p);
 
  // Check that we are in the correct energy range
  if (ekin >= lowLim && ekin < highLim) {
    // Get the map with all the data tables
    auto Data = fpModelData->GetData();
 
    if ((*Data)[MatID][p] == nullptr) {
      G4Exception("G4DNAPTBExcitationModel::CrossSectionPerVolume", "em00236", FatalException,
                  "No model is registered");
    }
    // Retrieve the cross section value
    sigma = (*Data)[MatID][p]->FindValue(ekin);
 
    if (verboseLevel > 2) {
      G4cout << "__________________________________" << G4endl;
      G4cout << "°°° G4DNAPTBExcitationModel - XS INFO START" << G4endl;
      G4cout << "°°° Kinetic energy(eV)=" << ekin / eV << " particle : " << particleName << G4endl;
      G4cout << "°°° Cross section per " << MatID << " ID molecule (cm^2)=" << sigma / cm / cm
             << G4endl;
      G4cout << "°°° G4DNAPTBExcitationModel - XS INFO END" << G4endl;
    }
  }
 
  // Return the cross section value
  auto MolDensity =
    (*G4DNAMolecularMaterial::Instance()->GetNumMolPerVolTableFor(material))[MatID];
  return sigma * MolDensity;
}

◆ Initialise()

void G4DNAPTBExcitationModel::Initialise	(	const G4ParticleDefinition *	particle,
		const G4DataVector &	)

overridevirtual

Initialise Set the materials for which the model can be used and defined the energy limits.

Implements G4VDNAModel.

Definition at line 78 of file G4DNAPTBExcitationModel.cc.

{
  if (isInitialised) {
    return;
  }
  if (verboseLevel > 3)
  {
    G4cout << "Calling G4DNAPTBExcitationModel::Initialise()" << G4endl;
  }
 
  if (particle != G4Electron::ElectronDefinition()) {
    std::ostringstream oss;
    oss << " Model is not applied for this particle " << particle->GetParticleName();
    G4Exception("G4DNAPTBExcitationModel::Initialise", "PTB001", FatalException, oss.str().c_str());
  }
 
  G4double scaleFactor = 1e-16 * cm * cm;
  G4double scaleFactorBorn = (1.e-22 / 3.343) * m * m;
 
  //*******************************************************
  // Cross section data
  //*******************************************************
  std::size_t index;
  if (fpTHF != nullptr) {
    index = fpTHF->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e-_PTB_THF", scaleFactor);
    SetLowELimit(index, particle, 9. * eV);
    SetHighELimit(index, particle, 1. * keV);
  }
  if (fpPY != nullptr) {
    index = fpPY->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e-_PTB_PY", scaleFactor);
    SetLowELimit(index, particle, 9. * eV);
    SetHighELimit(index, particle, 1. * keV);
  }
 
  if (fpPU != nullptr) {
    index = fpPU->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e-_PTB_PU", scaleFactor);
    SetLowELimit(index, particle, 9. * eV);
    SetHighELimit(index, particle, 1. * keV);
  }
 
  if (fpTMP != nullptr) {
    index = fpTMP->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e-_PTB_TMP", scaleFactor);
    SetLowELimit(index, particle, 9. * eV);
    SetHighELimit(index, particle, 1. * keV);
  }
  if (fpG4_WATER != nullptr) {
    index = fpG4_WATER->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e_born", scaleFactorBorn);
    SetLowELimit(index, particle, 9. * eV);
    SetHighELimit(index, particle, 1. * keV);
  }
  // DNA materials
  //
  if (fpBackbone_THF != nullptr) {
    index = fpBackbone_THF->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e-_PTB_THF", scaleFactor * 33. / 30);
    SetLowELimit(index, particle, 9. * eV);
    SetHighELimit(index, particle, 1. * keV);
  }
  if (fpCytosine_PY != nullptr) {
    index = fpCytosine_PY->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e-_PTB_PY", scaleFactor * 42. / 30);
    SetLowELimit(index, particle, 9. * eV);
    SetHighELimit(index, particle, 1. * keV);
  }
  if (fpThymine_PY != nullptr) {
    index = fpThymine_PY->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e-_PTB_PY", scaleFactor * 48. / 30);
    SetLowELimit(index, particle, 9. * eV);
    SetHighELimit(index, particle, 1. * keV);
  }
  if (fpAdenine_PU != nullptr) {
    index = fpAdenine_PU->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e-_PTB_PU", scaleFactor * 50. / 44);
    SetLowELimit(index, particle, 9. * eV);
    SetHighELimit(index, particle, 1. * keV);
  }
  if (fpGuanine_PU != nullptr) {
    index = fpGuanine_PU->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e-_PTB_PU", scaleFactor * 56. / 44);
    SetLowELimit(index, particle, 9. * eV);
    SetHighELimit(index, particle, 1. * keV);
  }
  if (fpBackbone_TMP != nullptr) {
    index = fpBackbone_TMP->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e-_PTB_TMP", scaleFactor * 33. / 50);
    SetLowELimit(index, particle, 9. * eV);
    SetHighELimit(index, particle, 1. * keV);
  }
  // MPietrzak, adding paths for N2
  if (fpN2 != nullptr) {
    index = fpN2->GetIndex();
    AddCrossSectionData(index, particle, "dna/sigma_excitation_e-_PTB_N2", scaleFactor);
    SetLowELimit(index, particle, 13. * eV);
    SetHighELimit(index, particle, 1.02 * MeV);
  }
  if (!G4DNAMaterialManager::Instance()->IsLocked()) {
    // Load data
    LoadCrossSectionData(particle);
    G4DNAMaterialManager::Instance()->SetMasterDataModel(DNAModelType::fDNAExcitation, this);
    fpModelData = this;
  }
  else {
    auto dataModel = dynamic_cast<G4DNAPTBExcitationModel*>(
      G4DNAMaterialManager::Instance()->GetModel(DNAModelType::fDNAExcitation));
    if (dataModel == nullptr) {
      G4cout << "G4DNAPTBExcitationModel::Initialise:: not good modelData" << G4endl;
      G4Exception("G4DNAPTBExcitationModel::Initialise", "PTB0006", FatalException,
                  "not good modelData");
    }
    else {
      fpModelData = dataModel;
    }
  }
 
  fParticleChangeForGamma = GetParticleChangeForGamma();
  isInitialised = true;
}

◆ operator=()

G4DNAPTBExcitationModel & G4DNAPTBExcitationModel::operator= ( const G4DNAPTBExcitationModel & right )

delete

◆ SampleSecondaries()

void G4DNAPTBExcitationModel::SampleSecondaries	(	std::vector< G4DynamicParticle * > *	fvect,
		const G4MaterialCutsCouple *	couple,
		const G4DynamicParticle *	aDynamicParticle,
		G4double	tmin,
		G4double	tmax )

overridevirtual

SampleSecondaries If the model is selected for the ModelInterface then the SampleSecondaries method will be called. The method sets the incident particle characteristics after the ModelInterface.

Parameters

materialName

param particleChangeForGamma

Parameters

tmin

param tmax

Implements G4VDNAModel.

Definition at line 253 of file G4DNAPTBExcitationModel.cc.

{
  const std::size_t& materialID = (std::size_t)couple->GetMaterial()->GetIndex();
 
  // Get the incident particle kinetic energy
  G4double k = aDynamicParticle->GetKineticEnergy();
  // Get the particle name
  const auto& particle = aDynamicParticle->GetDefinition();
  // Get the energy limits
  G4double lowLim = fpModelData->GetLowELimit(materialID, particle);
  G4double highLim = fpModelData->GetHighELimit(materialID, particle);
 
  // Check if we are in the correct energy range
  if (k >= lowLim && k < highLim) {
    if (fpN2 != nullptr && materialID == fpN2->GetIndex()) {
      // Retrieve the excitation energy for the current material
      G4int level = fpModelData->RandomSelectShell(k, particle, materialID);
      G4double excitationEnergy = ptbExcitationStructure.ExcitationEnergy(level, fpN2->GetIndex());
 
      // Calculate the new energy of the particle
      G4double newEnergy = k - excitationEnergy;
 
      // Check that the new energy is above zero before applying it the particle.
      // Otherwise, do nothing.
      if (newEnergy > 0) {
        fParticleChangeForGamma->ProposeMomentumDirection(aDynamicParticle->GetMomentumDirection());
        fParticleChangeForGamma->SetProposedKineticEnergy(newEnergy);
        fParticleChangeForGamma->ProposeLocalEnergyDeposit(excitationEnergy);
        G4double ioniThres = ptbIonisationStructure.IonisationEnergy(0, fpN2->GetIndex());
        // if excitation energy greater than ionisation threshold, then autoionisaiton
        if ((excitationEnergy > ioniThres) && (G4UniformRand() < 0.5)) {
          fParticleChangeForGamma->ProposeLocalEnergyDeposit(ioniThres);
          // energy of ejected electron
          G4double secondaryKinetic = excitationEnergy - ioniThres;
          // random direction
          G4double cosTheta = 2 * G4UniformRand() - 1., phi = CLHEP::twopi * G4UniformRand();
          G4double sinTheta = std::sqrt(1. - cosTheta * cosTheta);
          G4double ux = sinTheta * std::cos(phi), uy = sinTheta * std::sin(phi), uz = cosTheta;
          G4ThreeVector deltaDirection(ux, uy, uz);
          // Create the new particle with its characteristics
          auto dp = new G4DynamicParticle(G4Electron::Electron(), deltaDirection, secondaryKinetic);
          fvect->push_back(dp);
        }
      }
      else {
        G4ExceptionDescription description;
        description << "Kinetic energy <= 0 at " << fpN2->GetName() << " material !!!";
        G4Exception("G4DNAPTBExcitationModel::SampleSecondaries", "", FatalException, description);
      }
    }
    else if (fpG4_WATER == nullptr || materialID != fpG4_WATER->GetIndex()) {
      // Retrieve the excitation energy for the current material
      G4double excitationEnergy = fTableMeanEnergyPTB[materialID];
      // Calculate the new energy of the particle
      G4double newEnergy = k - excitationEnergy;
      // Check that the new energy is above zero before applying it the particle.
      // Otherwise, do nothing.
      if (newEnergy > 0) {
        fParticleChangeForGamma->ProposeMomentumDirection(aDynamicParticle->GetMomentumDirection());
        fParticleChangeForGamma->SetProposedKineticEnergy(newEnergy);
        fParticleChangeForGamma->ProposeLocalEnergyDeposit(excitationEnergy);
      }
      else {
        G4ExceptionDescription description;
        description << "Kinetic energy <= 0 at " << materialID << " index material !!!";
        G4Exception("G4DNAPTBExcitationModel::SampleSecondaries", "", FatalException, description);
      }
    }
    else {
      G4int level = RandomSelectShell(k, particle, materialID);
      G4double excitationEnergy = waterStructure.ExcitationEnergy(level);
      G4double newEnergy = k - excitationEnergy;
 
      if (newEnergy > 0) {
        fParticleChangeForGamma->ProposeMomentumDirection(aDynamicParticle->GetMomentumDirection());
        fParticleChangeForGamma->SetProposedKineticEnergy(newEnergy);
        fParticleChangeForGamma->ProposeLocalEnergyDeposit(excitationEnergy);
        const G4Track* theIncomingTrack = fParticleChangeForGamma->GetCurrentTrack();
        G4DNAChemistryManager::Instance()->CreateWaterMolecule(eExcitedMolecule, level,
                                                               theIncomingTrack);
      }
      else {
        G4ExceptionDescription description;
        description << "Kinetic energy <= 0 at " << materialID << " ID material !!!";
        G4Exception("G4DNAPTBExcitationModel::SampleSecondaries", "", FatalException, description);
      }
    }
  }
}

Member Data Documentation

◆ fParticleChangeForGamma

G4ParticleChangeForGamma* G4DNAPTBExcitationModel::fParticleChangeForGamma = nullptr

Definition at line 104 of file G4DNAPTBExcitationModel.hh.

Referenced by Initialise(), and SampleSecondaries().

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

Public Types

Public Member Functions

Public Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ MapMeanEnergy

Constructor & Destructor Documentation

◆ G4DNAPTBExcitationModel() [1/2]

◆ ~G4DNAPTBExcitationModel()

◆ G4DNAPTBExcitationModel() [2/2]

Member Function Documentation

◆ CrossSectionPerVolume()

◆ Initialise()

◆ operator=()

◆ SampleSecondaries()

Member Data Documentation

◆ fParticleChangeForGamma