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Public Member Functions | Protected Attributes
G4DNAEmfietzoglouExcitationModel Class Reference

#include <G4DNAEmfietzoglouExcitationModel.hh>

Inheritance diagram for G4DNAEmfietzoglouExcitationModel:
G4VEmModel

Public Member Functions

 G4DNAEmfietzoglouExcitationModel (const G4ParticleDefinition *p=0, const G4String &nam="DNAEmfietzoglouExcitationModel")
 
virtual ~G4DNAEmfietzoglouExcitationModel ()
 
virtual void Initialise (const G4ParticleDefinition *, const G4DataVector &=*(new G4DataVector()))
 
virtual G4double CrossSectionPerVolume (const G4Material *material, const G4ParticleDefinition *p, G4double ekin, G4double emin, G4double emax)
 
virtual void SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy)
 
G4double PartialCrossSection (G4double energy, G4int level)
 
- 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 ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0., G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
virtual G4double ChargeSquareRatio (const G4Track &)
 
virtual G4double GetChargeSquareRatio (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual G4double GetParticleCharge (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual void StartTracking (G4Track *)
 
virtual void CorrectionsAlongStep (const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double &eloss, G4double &niel, G4double length)
 
virtual G4double Value (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy)
 
virtual G4double MinPrimaryEnergy (const G4Material *, const G4ParticleDefinition *, G4double cut=0.0)
 
virtual G4double MinEnergyCut (const G4ParticleDefinition *, const G4MaterialCutsCouple *)
 
virtual void SetupForMaterial (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual void DefineForRegion (const G4Region *)
 
void InitialiseElementSelectors (const G4ParticleDefinition *, const G4DataVector &)
 
std::vector
< G4EmElementSelector * > * 		GetElementSelectors ()
 
void SetElementSelectors (std::vector< G4EmElementSelector * > *)
 
G4double ComputeDEDX (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
 
G4double CrossSection (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
G4double ComputeMeanFreePath (const G4ParticleDefinition *, G4double kineticEnergy, const G4Material *, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
G4double ComputeCrossSectionPerAtom (const G4ParticleDefinition *, const G4Element *, G4double kinEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
G4int SelectIsotopeNumber (const G4Element *)
 
const G4Element * SelectRandomAtom (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
const G4Element * SelectRandomAtom (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
G4int SelectRandomAtomNumber (const G4Material *)
 
void SetParticleChange (G4VParticleChange *, G4VEmFluctuationModel *f=0)
 
void SetCrossSectionTable (G4PhysicsTable *, G4bool isLocal)
 
G4ElementData * GetElementData ()
 
G4PhysicsTable * GetCrossSectionTable ()
 
G4VEmFluctuationModel * GetModelOfFluctuations ()
 
G4VEmAngularDistribution * GetAngularDistribution ()
 
void SetAngularDistribution (G4VEmAngularDistribution *)
 
G4double HighEnergyLimit () const
 
G4double LowEnergyLimit () const
 
G4double HighEnergyActivationLimit () const
 
G4double LowEnergyActivationLimit () const
 
G4double PolarAngleLimit () const
 
G4double SecondaryThreshold () const
 
G4bool LPMFlag () const
 
G4bool DeexcitationFlag () const
 
G4bool ForceBuildTableFlag () const
 
G4bool UseAngularGeneratorFlag () const
 
void SetAngularGeneratorFlag (G4bool)
 
void SetHighEnergyLimit (G4double)
 
void SetLowEnergyLimit (G4double)
 
void SetActivationHighEnergyLimit (G4double)
 
void SetActivationLowEnergyLimit (G4double)
 
G4bool IsActive (G4double kinEnergy)
 
void SetPolarAngleLimit (G4double)
 
void SetSecondaryThreshold (G4double)
 
void SetLPMFlag (G4bool val)
 
void SetDeexcitationFlag (G4bool val)
 
void SetForceBuildTable (G4bool val)
 
void SetMasterThread (G4bool val)
 
G4bool IsMaster () const
 
G4double MaxSecondaryKinEnergy (const G4DynamicParticle *dynParticle)
 
const G4String & GetName () const
 
void SetCurrentCouple (const G4MaterialCutsCouple *)
 
const G4Element * GetCurrentElement () const
 

Protected Attributes

G4ParticleChangeForGamma * fParticleChangeForGamma
 
- Protected Attributes inherited from G4VEmModel
G4ElementData * fElementData
 
G4VParticleChange * pParticleChange
 
G4PhysicsTable * xSectionTable
 
const std::vector< G4double > * theDensityFactor
 
const std::vector< G4int > * theDensityIdx
 
size_t idxTable
 

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 42 of file G4DNAEmfietzoglouExcitationModel.hh.

Constructor & Destructor Documentation

G4DNAEmfietzoglouExcitationModel::G4DNAEmfietzoglouExcitationModel ( const G4ParticleDefinition *  p = 0,
const G4String &  nam = "DNAEmfietzoglouExcitationModel" 
)

Definition at line 41 of file G4DNAEmfietzoglouExcitationModel.cc.

References python.hepunit::eV, fParticleChangeForGamma, G4cout, G4endl, python.hepunit::MeV, G4DNAWaterExcitationStructure::NumberOfLevels(), G4VEmModel::SetHighEnergyLimit(), and G4VEmModel::SetLowEnergyLimit().

43  :G4VEmModel(nam),isInitialised(false)
44 {
45  // nistwater = G4NistManager::Instance()->FindOrBuildMaterial("G4_WATER");
46  fpWaterDensity = 0;
47 
48  lowEnergyLimit = 8.23 * eV;
49  highEnergyLimit = 10 * MeV;
50  SetLowEnergyLimit(lowEnergyLimit);
51  SetHighEnergyLimit(highEnergyLimit);
52 
53  nLevels = waterExcitation.NumberOfLevels();
54 
55  verboseLevel= 0;
56  // Verbosity scale:
57  // 0 = nothing
58  // 1 = warning for energy non-conservation
59  // 2 = details of energy budget
60  // 3 = calculation of cross sections, file openings, sampling of atoms
61  // 4 = entering in methods
62 
63  if (verboseLevel > 3)
64  if( verboseLevel>0 )
65  {
66  G4cout << "Emfietzoglou Excitation model is constructed " << G4endl
67  << "Energy range: "
68  << lowEnergyLimit / eV << " eV - "
69  << highEnergyLimit / MeV << " MeV"
70  << G4endl;
71  }
72  fParticleChangeForGamma = 0;
73 }
G4VEmModel::G4VEmModel
G4VEmModel(const G4String &nam)
Definition: G4VEmModel.cc:65
G4VEmModel::SetHighEnergyLimit
void SetHighEnergyLimit(G4double)
Definition: G4VEmModel.hh:683
G4cout
G4GLOB_DLL std::ostream G4cout
G4endl
#define G4endl
Definition: G4ios.hh:61
G4VEmModel::SetLowEnergyLimit
void SetLowEnergyLimit(G4double)
Definition: G4VEmModel.hh:690
G4DNAEmfietzoglouExcitationModel::~G4DNAEmfietzoglouExcitationModel ( )
virtual

Definition at line 77 of file G4DNAEmfietzoglouExcitationModel.cc.

78 {}

Member Function Documentation

G4double G4DNAEmfietzoglouExcitationModel::CrossSectionPerVolume ( const G4Material *  material,
const G4ParticleDefinition *  p,
G4double  ekin,
G4double  emin,
G4double  emax 
)
virtual

Reimplemented from G4VEmModel.

Definition at line 126 of file G4DNAEmfietzoglouExcitationModel.cc.

References python.hepunit::cm, G4Electron::ElectronDefinition(), python.hepunit::eV, G4cout, G4endl, G4Material::GetAtomicNumDensityVector(), G4Material::GetIndex(), and G4ParticleDefinition::GetParticleName().

131 {
132  if (verboseLevel > 3)
133  G4cout << "Calling CrossSectionPerVolume() of G4DNAEmfietzoglouExcitationModel" << G4endl;
134 
135  // Calculate total cross section for model
136 
137  G4double sigma=0;
138 
139  G4double waterDensity = (*fpWaterDensity)[material->GetIndex()];
140 
141  if(waterDensity!= 0.0)
142  // if (material == nistwater || material->GetBaseMaterial() == nistwater)
143  {
144 
145  if (particleDefinition == G4Electron::ElectronDefinition())
146  {
147  if (ekin >= lowEnergyLimit && ekin < highEnergyLimit)
148  {
149  sigma = Sum(ekin);
150  }
151  }
152 
153  if (verboseLevel > 2)
154  {
155  G4cout << "__________________________________" << G4endl;
156  G4cout << "°°° G4DNAEmfietzoglouExcitationModel - XS INFO START" << G4endl;
157  G4cout << "°°° Kinetic energy(eV)=" << ekin/eV << " particle : " << particleDefinition->GetParticleName() << G4endl;
158  G4cout << "°°° Cross section per water molecule (cm^2)=" << sigma/cm/cm << G4endl;
159  G4cout << "°°° Cross section per water molecule (cm^-1)=" << sigma*waterDensity/(1./cm) << G4endl;
160  // G4cout << " - Cross section per water molecule (cm^-1)=" << sigma*material->GetAtomicNumDensityVector()[1]/(1./cm) << G4endl;
161  G4cout << "°°° G4DNAEmfietzoglouExcitationModel - XS INFO END" << G4endl;
162  }
163 
164  }
165 
166  return sigma*material->GetAtomicNumDensityVector()[1];
167 }
G4Electron::ElectronDefinition
static G4Electron * ElectronDefinition()
Definition: G4Electron.cc:89
G4Material::GetIndex
size_t GetIndex() const
Definition: G4Material.hh:260
G4cout
G4GLOB_DLL std::ostream G4cout
G4Material::GetAtomicNumDensityVector
const G4double * GetAtomicNumDensityVector() const
Definition: G4Material.hh:214
G4endl
#define G4endl
Definition: G4ios.hh:61
G4double
double G4double
Definition: G4Types.hh:76
void G4DNAEmfietzoglouExcitationModel::Initialise ( const G4ParticleDefinition *  ,
const G4DataVector &  = *(new G4DataVector()) 
)
virtual

Implements G4VEmModel.

Definition at line 82 of file G4DNAEmfietzoglouExcitationModel.cc.

References python.hepunit::eV, fParticleChangeForGamma, G4cout, G4endl, G4Material::GetMaterial(), G4DNAMolecularMaterial::GetNumMolPerVolTableFor(), G4VEmModel::GetParticleChangeForGamma(), G4VEmModel::HighEnergyLimit(), G4DNAMolecularMaterial::Instance(), G4VEmModel::LowEnergyLimit(), python.hepunit::MeV, G4VEmModel::SetHighEnergyLimit(), and G4VEmModel::SetLowEnergyLimit().

84 {
85 
86  if (verboseLevel > 3)
87  G4cout << "Calling G4DNAEmfietzoglouExcitationModel::Initialise()" << G4endl;
88 
89  // Energy limits
90 
91  if (LowEnergyLimit() < lowEnergyLimit)
92  {
93  G4cout << "G4DNAEmfietzoglouExcitationModel: low energy limit increased from " <<
94  LowEnergyLimit()/eV << " eV to " << lowEnergyLimit/eV << " eV" << G4endl;
95  SetLowEnergyLimit(lowEnergyLimit);
96  }
97 
98  if (HighEnergyLimit() > highEnergyLimit)
99  {
100  G4cout << "G4DNAEmfietzoglouExcitationModel: high energy limit decreased from " <<
101  HighEnergyLimit()/MeV << " MeV to " << highEnergyLimit/MeV << " MeV" << G4endl;
102  SetHighEnergyLimit(highEnergyLimit);
103  }
104 
105  //
106  if( verboseLevel>0 )
107  {
108  G4cout << "Emfietzoglou Excitation model is initialized " << G4endl
109  << "Energy range: "
110  << LowEnergyLimit() / eV << " eV - "
111  << HighEnergyLimit() / MeV << " MeV"
112  << G4endl;
113  }
114 
115  // Initialize water density pointer
116  fpWaterDensity = G4DNAMolecularMaterial::Instance()->GetNumMolPerVolTableFor(G4Material::GetMaterial("G4_WATER"));
117 
118  if (isInitialised) { return; }
119  fParticleChangeForGamma = GetParticleChangeForGamma();
120  isInitialised = true;
121 
122 }
G4VEmModel::LowEnergyLimit
G4double LowEnergyLimit() const
Definition: G4VEmModel.hh:599
G4VEmModel::HighEnergyLimit
G4double HighEnergyLimit() const
Definition: G4VEmModel.hh:592
G4Material::GetMaterial
static G4Material * GetMaterial(const G4String &name, G4bool warning=true)
Definition: G4Material.cc:578
G4VEmModel::SetHighEnergyLimit
void SetHighEnergyLimit(G4double)
Definition: G4VEmModel.hh:683
G4cout
G4GLOB_DLL std::ostream G4cout
G4DNAMolecularMaterial::GetNumMolPerVolTableFor
const std::vector< double > * GetNumMolPerVolTableFor(const G4Material *) const
Definition: G4DNAMolecularMaterial.cc:381
G4DNAMolecularMaterial::Instance
static G4DNAMolecularMaterial * Instance()
Definition: G4DNAMolecularMaterial.cc:68
G4endl
#define G4endl
Definition: G4ios.hh:61
G4VEmModel::SetLowEnergyLimit
void SetLowEnergyLimit(G4double)
Definition: G4VEmModel.hh:690
G4VEmModel::GetParticleChangeForGamma
G4ParticleChangeForGamma * GetParticleChangeForGamma()
Definition: G4VEmModel.cc:121
G4double G4DNAEmfietzoglouExcitationModel::PartialCrossSection ( G4double  energy,
G4int  level 
)

Definition at line 203 of file G4DNAEmfietzoglouExcitationModel.cc.

References python.hepunit::Bohr_radius, density, python.hepunit::eV, G4DNAWaterExcitationStructure::ExcitationEnergy(), python.hepunit::mm3, and python.hepunit::pi.

204 {
205  // Aj T
206  // Sigma(T) = ------------- (Bj / T) ln(Cj ---) [1 - Bj / T]^Pj
207  // 2 pi alpha0 R
208  //
209  // Sigma is the macroscopic cross section = N sigma, where N = number of target particles per unit volume
210  // and sigma is the microscopic cross section
211  // T is the incoming electron kinetic energy
212  // alpha0 is the Bohr Radius (Bohr_radius)
213  // Aj, Bj, Cj & Pj are parameters that can be found in Emfietzoglou's papers
214  //
215  // From Phys. Med. Biol. 48 (2003) 2355-2371, D.Emfietzoglou,
216  // Monte Carlo Simulation of the energy loss of low energy electrons in liquid Water
217  //
218  // Scaling for macroscopic cross section: number of water moleculs per unit volume
219  // const G4double sigma0 = (10. / 3.343e22) * cm2;
220 
221  const G4double density = 3.34192e+19 * mm3;
222 
223  const G4double aj[]={0.0205, 0.0209, 0.0130, 0.0026, 0.0025};
224  const G4double cj[]={4.9801, 3.3850, 2.8095, 1.9242, 3.4624};
225  const G4double pj[]={0.4757, 0.3483, 0.4443, 0.3429, 0.4379};
226  const G4double r = 13.6 * eV;
227 
228  G4double sigma = 0.;
229 
230  G4double exc = waterExcitation.ExcitationEnergy(level);
231 
232  if (t >= exc)
233  {
234  G4double excitationSigma = ( aj[level] / (2.*pi*Bohr_radius))
235  * (exc / t)
236  * std::log(cj[level]*(t/r))
237  * std::pow((1.- (exc/t)), pj[level]);
238  sigma = excitationSigma / density;
239  }
240 
241  return sigma;
242 }
density
G4double density
Definition: TRTMaterials.hh:39
G4double
double G4double
Definition: G4Types.hh:76
void G4DNAEmfietzoglouExcitationModel::SampleSecondaries ( std::vector< G4DynamicParticle * > *  ,
const G4MaterialCutsCouple *  ,
const G4DynamicParticle *  aDynamicElectron,
G4double  tmin,
G4double  maxEnergy 
)
virtual

Implements G4VEmModel.

Definition at line 171 of file G4DNAEmfietzoglouExcitationModel.cc.

References G4DNAChemistryManager::CreateWaterMolecule(), eExcitedMolecule, G4DNAWaterExcitationStructure::ExcitationEnergy(), fParticleChangeForGamma, G4cout, G4endl, G4ParticleChangeForGamma::GetCurrentTrack(), G4DynamicParticle::GetKineticEnergy(), G4DynamicParticle::GetMomentumDirection(), G4DNAChemistryManager::Instance(), G4VParticleChange::ProposeLocalEnergyDeposit(), G4ParticleChangeForGamma::ProposeMomentumDirection(), and G4ParticleChangeForGamma::SetProposedKineticEnergy().

176 {
177 
178  if (verboseLevel > 3)
179  G4cout << "Calling SampleSecondaries() of G4DNAEmfietzoglouExcitationModel" << G4endl;
180 
181  G4double electronEnergy0 = aDynamicElectron->GetKineticEnergy();
182 
183  G4int level = RandomSelect(electronEnergy0);
184 
185  G4double excitationEnergy = waterExcitation.ExcitationEnergy(level);
186  G4double newEnergy = electronEnergy0 - excitationEnergy;
187 
188  if (electronEnergy0 < highEnergyLimit)
189  {
190  fParticleChangeForGamma->ProposeMomentumDirection(aDynamicElectron->GetMomentumDirection());
191  fParticleChangeForGamma->SetProposedKineticEnergy(newEnergy);
192  fParticleChangeForGamma->ProposeLocalEnergyDeposit(excitationEnergy);
193 
194  const G4Track * theIncomingTrack = fParticleChangeForGamma->GetCurrentTrack();
195  G4DNAChemistryManager::Instance()->CreateWaterMolecule(eExcitedMolecule,
196  level,
197  theIncomingTrack);
198  }
199 }
G4DynamicParticle::GetKineticEnergy
G4double GetKineticEnergy() const
G4int
int G4int
Definition: G4Types.hh:78
G4ParticleChangeForGamma::ProposeMomentumDirection
void ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz)
Definition: G4ParticleChangeForGamma.hh:147
G4VParticleChange::ProposeLocalEnergyDeposit
void ProposeLocalEnergyDeposit(G4double anEnergyPart)
G4cout
G4GLOB_DLL std::ostream G4cout
G4DynamicParticle::GetMomentumDirection
const G4ThreeVector & GetMomentumDirection() const
G4DNAChemistryManager::Instance
static G4DNAChemistryManager * Instance()
Definition: G4DNAChemistryManager.cc:68
G4DNAChemistryManager::CreateWaterMolecule
void CreateWaterMolecule(ElectronicModification, G4int, const G4Track *)
Definition: G4DNAChemistryManager.cc:160
eExcitedMolecule
Definition: G4DNAChemistryManager.hh:55
G4ParticleChangeForGamma::GetCurrentTrack
const G4Track * GetCurrentTrack() const
Definition: G4ParticleChangeForGamma.hh:154
G4ParticleChangeForGamma::SetProposedKineticEnergy
void SetProposedKineticEnergy(G4double proposedKinEnergy)
Definition: G4ParticleChangeForGamma.hh:129
G4endl
#define G4endl
Definition: G4ios.hh:61
G4double
double G4double
Definition: G4Types.hh:76

Field Documentation

G4ParticleChangeForGamma* G4DNAEmfietzoglouExcitationModel::fParticleChangeForGamma
protected

Definition at line 72 of file G4DNAEmfietzoglouExcitationModel.hh.

Referenced by G4DNAEmfietzoglouExcitationModel(), Initialise(), and SampleSecondaries().

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