include/Geant4/G4DNARuddIonisationExtendedModel.hh

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0024 // ********************************************************************
0025 //
0026 // Created by Z. Francis, S. Incerti 2010
0027 //
0028 // Modified for inverse rudd function sampling 26.10.2010
0029 // Rewitten by V.Ivanchenko 21.05.2023
0030 //
0031
0032 #ifndef G4DNARuddIonisationExtendedModel_h
0033 #define G4DNARuddIonisationExtendedModel_h 1
0034
0035 #include "G4VEmModel.hh"
0036 #include "G4ParticleChangeForGamma.hh"
0037 #include "G4ProductionCutsTable.hh"
0038
0039 #include "G4EmCorrections.hh"
0040 #include "G4DNAGenericIonsManager.hh"
0041 #include "G4DNACrossSectionDataSet.hh"
0042 #include "G4Electron.hh"
0043 #include "G4Proton.hh"
0044 #include "G4LogLogInterpolation.hh"
0045
0046 #include "G4DNAWaterIonisationStructure.hh"
0047 #include "G4VAtomDeexcitation.hh"
0048 #include "G4NistManager.hh"
0049 #include <vector>
0050
0051 class G4DNARuddIonisationExtendedModel : public G4VEmModel
0052 {
0053 public:
0054
0055   explicit G4DNARuddIonisationExtendedModel(const G4ParticleDefinition* p = nullptr,
0056                    const G4String& nam = "DNARuddIonisationExtendedModel");
0057
0058   ~G4DNARuddIonisationExtendedModel() override;
0059
0060   void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
0061
0062   G4double CrossSectionPerVolume(const G4Material* material,
0063                                  const G4ParticleDefinition* p,
0064                  G4double ekin,
0065                  G4double emin,
0066                  G4double emax) override;
0067
0068   void SampleSecondaries(std::vector<G4DynamicParticle*>*,
0069              const G4MaterialCutsCouple*,
0070              const G4DynamicParticle*,
0071              G4double tmin,
0072              G4double maxEnergy) override;
0073
0074   void SelectStationary(G4bool val) { statCode = val; };
0075
0076   // method for unit tests
0077   G4double ComputeProbabilityFunction(const G4ParticleDefinition*, G4double kine,
0078                                       G4double deltae, G4int shell);
0079
0080   G4DNARuddIonisationExtendedModel & operator=
0081   (const  G4DNARuddIonisationExtendedModel &right) = delete;
0082   G4DNARuddIonisationExtendedModel(const G4DNARuddIonisationExtendedModel&) = delete;
0083
0084 private:
0085
0086   void SetParticle(const G4ParticleDefinition*);
0087
0088   G4int SelectShell(G4double energy);
0089
0090   G4double SampleElectronEnergy(G4double kine, G4double bindingEnergy, G4int shell);
0091
0092   G4double ProbabilityFunction(G4double kine, G4double deltae,
0093                                G4double bindingEnergy, G4int shell);
0094
0095   G4double S_1s(G4double t,
0096         G4double energyTransferred,
0097         G4double slaterEffectiveChg,
0098         G4double shellNumber);
0099
0100   G4double S_2s(G4double t,
0101         G4double energyTransferred,
0102         G4double slaterEffectiveChg,
0103         G4double shellNumber);
0104
0105
0106   G4double S_2p(G4double t,
0107         G4double energyTransferred,
0108         G4double slaterEffectiveChg,
0109         G4double shellNumber);
0110
0111   G4double Rh(G4double t,
0112           G4double energyTransferred,
0113           G4double slaterEffectiveChg,
0114           G4double shellNumber);
0115
0116   G4double CorrectionFactor(G4double kine, G4int shell);
0117
0118 protected:
0119
0120   G4ParticleChangeForGamma* fParticleChangeForGamma{nullptr};
0121
0122 private:
0123
0124   // idx = 0 - hydrogen
0125   // idx = 1 - proton
0126   // idx = 2%26 - ions idx=Z
0127   // idx = -1 - alpha+
0128   // idx = -1 - helium
0129   static const G4int RUDDZMAX = 27;
0130   static G4DNACrossSectionDataSet* xsdata[RUDDZMAX];
0131   static G4DNACrossSectionDataSet* xsalphaplus;
0132   static G4DNACrossSectionDataSet* xshelium;
0133
0134   // Water density table
0135   static const std::vector<G4double>* fpWaterDensity;
0136
0137   G4DNACrossSectionDataSet* xscurrent{nullptr};
0138   const G4ParticleDefinition* fParticle{nullptr};
0139   G4EmCorrections* fEmCorrections;
0140   G4Pow* fGpow;
0141
0142   //deexcitation manager to produce fluo photons and e-
0143   G4VAtomDeexcitation* fAtomDeexcitation{nullptr};
0144
0145   // tracking cut and low-energy limit of proton x-section table
0146   G4double fLowestEnergy;
0147   // scaled low-energy limit of ion x-section table
0148   G4double fLimitEnergy;
0149
0150   G4double fMass{0.0};
0151   G4double fAmass{0.0};
0152   G4double fMassRate{1.0};
0153   G4double fElow{0.0};
0154
0155   G4double slaterEffectiveCharge[3] = {0.0};
0156   G4double sCoefficient[3] = {0.0};
0157   G4double fTemp[5] = {0.0};
0158
0159   G4int idx{-1};
0160   G4int verbose{0};
0161
0162   G4bool isIon{false};
0163   G4bool isFirst{false};
0164   G4bool isHelium{false};
0165   G4bool statCode{false};
0166   G4bool useDNAWaterStructure{true};
0167
0168   // energy levels of water molecule
0169   G4DNAWaterIonisationStructure waterStructure;
0170 };
0171
0172 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0173
0174 #endif