Geant4 11.1.1
Toolkit for the simulation of the passage of particles through matter
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Public Member Functions | Protected Attributes | List of all members
G4MicroElecLOPhononModel Class Reference

#include <G4MicroElecLOPhononModel.hh>

+ Inheritance diagram for G4MicroElecLOPhononModel:

Public Member Functions

 G4MicroElecLOPhononModel (const G4ParticleDefinition *p=nullptr, const G4String &nam="G4MicroElecLOPhononModel")
 
 ~G4MicroElecLOPhononModel () 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
 
G4MicroElecLOPhononModel & operator= (const G4MicroElecLOPhononModel &right)=delete
 
 G4MicroElecLOPhononModel (const G4MicroElecLOPhononModel &)=delete
 
- 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 59 of file G4MicroElecLOPhononModel.hh.

Constructor & Destructor Documentation

◆ G4MicroElecLOPhononModel() [1/2]

G4MicroElecLOPhononModel::G4MicroElecLOPhononModel ( const G4ParticleDefinition *  p = nullptr,
const G4String &  nam = "G4MicroElecLOPhononModel" 
)
explicit

Definition at line 61 of file G4MicroElecLOPhononModel.cc.

63 : G4VEmModel(nam)
64{
65 fParticleChangeForGamma = GetParticleChangeForGamma();
66}
G4MicroElecLOPhononModel::fParticleChangeForGamma
G4ParticleChangeForGamma * fParticleChangeForGamma
Definition: G4MicroElecLOPhononModel.hh:83
G4VEmModel::GetParticleChangeForGamma
G4ParticleChangeForGamma * GetParticleChangeForGamma()
Definition: G4VEmModel.cc:124

◆ ~G4MicroElecLOPhononModel()

G4MicroElecLOPhononModel::~G4MicroElecLOPhononModel ( )
override

Definition at line 70 of file G4MicroElecLOPhononModel.cc.

71{}

◆ G4MicroElecLOPhononModel() [2/2]

G4MicroElecLOPhononModel::G4MicroElecLOPhononModel ( const G4MicroElecLOPhononModel &  )
delete

Member Function Documentation

◆ CrossSectionPerVolume()

G4double G4MicroElecLOPhononModel::CrossSectionPerVolume ( const G4Material *  material,
const G4ParticleDefinition *  p,
G4double  ekin,
G4double  emin,
G4double  emax 
)
overridevirtual

Reimplemented from G4VEmModel.

Definition at line 85 of file G4MicroElecLOPhononModel.cc.

89{
90 if (material->GetName()!="G4_SILICON_DIOXIDE") return 0.0;
91
92 const G4double e = CLHEP::eplus / CLHEP::coulomb;
93 const G4double m0 = CLHEP::electron_mass_c2 / (CLHEP::c_squared*CLHEP::kg);
94 const G4double h = CLHEP::hbar_Planck * CLHEP::s/ (CLHEP::m2*CLHEP::kg);
95 const G4double eps0 = CLHEP::epsilon0 * CLHEP::m/ (CLHEP::farad);
96 const G4double kb = CLHEP::k_Boltzmann * CLHEP::kelvin/ CLHEP::joule;
97
98 // Parameters SiO2
99 phononEnergy = (0.75*0.153+0.25*0.063 )* CLHEP::eV;
100 const G4double eps = 3.84;
101 const G4double einf = 2.25;
102 const G4double T = 300; // should be taken from material property
103
104 G4double E =(ekin/CLHEP::eV)*e;
105
106 G4double hw = (phononEnergy / CLHEP::eV) * e;
107 G4double n = 1.0 / (std::exp(hw / (kb*T)) - 1); //Phonon distribution
108
109 G4double signe = (absor) ? -1. : 1.;
110
111 G4double racine = std::sqrt(1. + ((-signe*hw) / E));
112
113 G4double P = (std::pow(e, 2) / (4 * pi*eps0*h*h)) * (n + 0.5 + signe*0.5) * ((1 / einf) - (1 / eps))
114 * std::sqrt(m0 / (2 * E)) *hw* std::log((1 + racine) / (signe * 1 + ((-signe)*racine)));
115
116 G4double MFP = (std::sqrt(2. * E / m0) / P)*m;
117 return 2. / MFP;
118}
G4double
double G4double
Definition: G4Types.hh:83
G4Material::GetName
const G4String & GetName() const
Definition: G4Material.hh:172
G4INCL::Math::pi
const G4double pi
Definition: G4INCLGlobals.hh:68

◆ Initialise()

void G4MicroElecLOPhononModel::Initialise ( const G4ParticleDefinition *  ,
const G4DataVector &   
)
overridevirtual

Implements G4VEmModel.

Definition at line 75 of file G4MicroElecLOPhononModel.cc.

77{
78 if (isInitialised) { return; }
79 fParticleChangeForGamma = GetParticleChangeForGamma();
80 isInitialised = true;
81}

◆ operator=()

G4MicroElecLOPhononModel & G4MicroElecLOPhononModel::operator= ( const G4MicroElecLOPhononModel &  right)
delete

◆ SampleSecondaries()

void G4MicroElecLOPhononModel::SampleSecondaries ( std::vector< G4DynamicParticle * > *  ,
const G4MaterialCutsCouple *  ,
const G4DynamicParticle *  aDynamicElectron,
G4double  tmin,
G4double  maxEnergy 
)
overridevirtual

Implements G4VEmModel.

Definition at line 122 of file G4MicroElecLOPhononModel.cc.

127{
128
129 G4double E = aDynamicElectron->GetKineticEnergy();
130 G4double Eprim = (absor) ? E + phononEnergy : E - phononEnergy;
131
132 G4double rand = G4UniformRand();
133 G4double B = (E + Eprim + 2 * std::sqrt(E*Eprim)) / (E + Eprim - 2 * std::sqrt(E*Eprim));
134 G4double cosTheta = ((E + Eprim) / (2 * std::sqrt(E*Eprim)))*(1 - std::pow(B, rand)) + std::pow(B, rand);
135
136 if(Interband){
137 cosTheta = 1 - 2 * G4UniformRand(); //Isotrope
138 }
139 G4double phi = twopi * G4UniformRand();
140 G4ThreeVector zVers = aDynamicElectron->GetMomentumDirection();
141 G4ThreeVector xVers = zVers.orthogonal();
142 G4ThreeVector yVers = zVers.cross(xVers);
143
144 G4double xDir = std::sqrt(1. - cosTheta*cosTheta);
145 G4double yDir = xDir;
146 xDir *= std::cos(phi);
147 yDir *= std::sin(phi);
148
149 G4ThreeVector zPrimeVers((xDir*xVers + yDir*yVers + cosTheta*zVers));
150
151 fParticleChangeForGamma->ProposeMomentumDirection(zPrimeVers.unit());
152 fParticleChangeForGamma->SetProposedKineticEnergy(Eprim);
153}
B
G4double B(G4double temperature)
Definition: G4DNAElectronHoleRecombination.cc:68
G4UniformRand
#define G4UniformRand()
Definition: Randomize.hh:52
CLHEP::Hep3Vector::orthogonal
Hep3Vector orthogonal() const
CLHEP::Hep3Vector::cross
Hep3Vector cross(const Hep3Vector &) const
G4DynamicParticle::GetMomentumDirection
const G4ThreeVector & GetMomentumDirection() const
G4DynamicParticle::GetKineticEnergy
G4double GetKineticEnergy() const
G4ParticleChangeForGamma::SetProposedKineticEnergy
void SetProposedKineticEnergy(G4double proposedKinEnergy)
Definition: G4ParticleChangeForGamma.hh:106
G4ParticleChangeForGamma::ProposeMomentumDirection
void ProposeMomentumDirection(const G4ThreeVector &Pfinal)
Definition: G4ParticleChangeForGamma.hh:120

Member Data Documentation

◆ fParticleChangeForGamma

G4ParticleChangeForGamma* G4MicroElecLOPhononModel::fParticleChangeForGamma
protected

Definition at line 83 of file G4MicroElecLOPhononModel.hh.

Referenced by G4MicroElecLOPhononModel(), Initialise(), and SampleSecondaries().

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