G4BetheBlochModel

public G4VEmModel

Implementation of Bethe-Bloch model of energy loss and delta-electron production by heavy charged particles

Energy > 2 MeV

class

public:

  explicit G4BetheBlochModel(const G4ParticleDefinition* p = nullptr,
                 const G4String& nam = "BetheBloch");

  virtual ~G4BetheBlochModel();

  virtual void Initialise(const G4ParticleDefinition*, 
              const G4DataVector&) override;

  virtual G4double MinEnergyCut(const G4ParticleDefinition*,
                const G4MaterialCutsCouple* couple) override;

  virtual G4double ComputeCrossSectionPerElectron(
                 const G4ParticleDefinition*,
                 G4double kineticEnergy,
                 G4double cutEnergy,
                 G4double maxEnergy);

  virtual G4double ComputeCrossSectionPerAtom(
                 const G4ParticleDefinition*,
                 G4double kineticEnergy,
                 G4double Z, G4double A,
                 G4double cutEnergy,
                 G4double maxEnergy) override;

  virtual G4double CrossSectionPerVolume(const G4Material*,
                 const G4ParticleDefinition*,
                 G4double kineticEnergy,
                 G4double cutEnergy,
                 G4double maxEnergy) override;

  virtual G4double ComputeDEDXPerVolume(const G4Material*,
                    const G4ParticleDefinition*,
                    G4double kineticEnergy,
                    G4double cutEnergy) override;

  virtual G4double GetChargeSquareRatio(const G4ParticleDefinition* p,
                    const G4Material* mat,
                    G4double kineticEnergy) override;

  virtual G4double GetParticleCharge(const G4ParticleDefinition* p,
                     const G4Material* mat,
                     G4double kineticEnergy) override;

  virtual void CorrectionsAlongStep(const G4MaterialCutsCouple* couple,
                    const G4DynamicParticle* dp,
                    G4double& eloss,
                    G4double&,
                    G4double length) override;

  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
                 const G4MaterialCutsCouple*,
                 const G4DynamicParticle*,
                 G4double tmin,
                 G4double maxEnergy) override;

protected:

  virtual G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
                      G4double kinEnergy) override;

  inline G4double GetChargeSquareRatio() const;

  inline void SetChargeSquareRatio(G4double val);

private:

  void SetupParameters();

  inline void SetParticle(const G4ParticleDefinition* p);

  inline void SetGenericIon(const G4ParticleDefinition* p);

  // hide assignment operator
  G4BetheBlochModel & operator=(const  G4BetheBlochModel &right) = delete;
  G4BetheBlochModel(const  G4BetheBlochModel&) = delete;