include/Geant4/G4BraggIonModel.hh

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0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class header file
0030 //
0031 //
0032 // File name:     G4BraggIonModel
0033 //
0034 // Author:        Vladimir Ivanchenko
0035 //
0036 // Creation date: 13.10.2004
0037 //
0038 // Modifications:
0039 // 09-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
0040 // 11-05-05 Major optimisation of internal interfaces (V.Ivantchenko)
0041 // 15-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma)
0042 // 25-04-06 Add stopping data from ASTAR (V.Ivanchenko)
0043 // 12-08-08 Added methods GetParticleCharge, GetChargeSquareRatio,
0044 //          CorrectionsAlongStep needed for ions(V.Ivanchenko)
0045
0046 //
0047 // Class Description:
0048 //
0049 // Implementation of energy loss and delta-electron production
0050 // by heavy slow charged particles using ICRU'49, NIST, and ICRU90
0051 // evaluated data for alpha and protons
0052
0053 // -------------------------------------------------------------------
0054 //
0055
0056 #ifndef G4BraggIonModel_h
0057 #define G4BraggIonModel_h 1
0058
0059 #include "G4BraggModel.hh"
0060
0061 class G4ASTARStopping;
0062
0063 class G4BraggIonModel : public G4BraggModel
0064 {
0065
0066 public:
0067
0068   explicit G4BraggIonModel(const G4ParticleDefinition* p = nullptr,
0069                const G4String& nam = "BraggIon");
0070
0071   ~G4BraggIonModel() override;
0072
0073   void Initialise(const G4ParticleDefinition*,
0074           const G4DataVector&) override;
0075
0076   G4double ComputeCrossSectionPerAtom(
0077                  const G4ParticleDefinition*,
0078                  G4double kineticEnergy,
0079                  G4double Z, G4double A,
0080                  G4double cutEnergy,
0081                  G4double maxEnergy) override;
0082
0083   G4double CrossSectionPerVolume(const G4Material*,
0084                  const G4ParticleDefinition*,
0085                  G4double kineticEnergy,
0086                  G4double cutEnergy,
0087                  G4double maxEnergy) override;
0088
0089   G4double ComputeDEDXPerVolume(const G4Material*,
0090                                 const G4ParticleDefinition*,
0091                                 G4double kineticEnergy,
0092                                 G4double cutEnergy) override;
0093
0094   // Compute ion charge not applied to alpha
0095   G4double GetChargeSquareRatio(const G4ParticleDefinition*,
0096                 const G4Material*,
0097                 G4double kineticEnergy) override;
0098
0099   // add correction to energy loss and ompute non-ionizing energy loss
0100   void CorrectionsAlongStep(const G4MaterialCutsCouple*,
0101                 const G4DynamicParticle*,
0102                 const G4double& length,
0103                 G4double& eloss) override;
0104
0105   // hide assignment operator
0106   G4BraggIonModel & operator=(const  G4BraggIonModel &right) = delete;
0107   G4BraggIonModel(const  G4BraggIonModel&) = delete;
0108
0109 private:
0110
0111   G4double HeEffChargeSquare(const G4double z,
0112                              const G4double kinEnergyInMeV) const;
0113
0114   G4int HasMaterialForHe(const G4Material* material) const;
0115
0116   G4double HeStoppingPower(const G4double kinEnergy) const;
0117
0118   G4double HeElectronicStoppingPower(const G4int z, const G4double kinEnergy) const;
0119
0120   G4double HeDEDX(const G4Material* material, const G4double kinEnergy);
0121
0122   static G4ASTARStopping* fASTAR;
0123
0124   G4double heChargeSquare = 4.0;
0125   G4double HeMass;
0126   G4double massFactor;
0127
0128   G4int iASTAR = -1;    // index in ASTAR
0129   G4bool isAlpha = false;
0130   G4bool isFirstAlpha = false;
0131 };
0132
0133 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0134
0135 #endif