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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
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// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
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// ********************************************************************
//
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name: G4BraggIonModel
//
// Author: Vladimir Ivanchenko
//
// Creation date: 13.10.2004
//
// Modifications:
// 09-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
// 11-05-05 Major optimisation of internal interfaces (V.Ivantchenko)
// 15-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma)
// 25-04-06 Add stopping data from ASTAR (V.Ivanchenko)
// 12-08-08 Added methods GetParticleCharge, GetChargeSquareRatio,
// CorrectionsAlongStep needed for ions(V.Ivanchenko)
//
// Class Description:
//
// Implementation of energy loss and delta-electron production
// by heavy slow charged particles using ICRU'49, NIST, and ICRU90
// evaluated data for alpha and protons
// -------------------------------------------------------------------
//
#ifndef G4BraggIonModel_h
#define G4BraggIonModel_h 1
#include "G4BraggModel.hh"
class G4ASTARStopping;
class G4BraggIonModel : public G4BraggModel
{
public:
explicit G4BraggIonModel(const G4ParticleDefinition* p = nullptr,
const G4String& nam = "BraggIon");
~G4BraggIonModel() override;
void Initialise(const G4ParticleDefinition*,
const G4DataVector&) override;
G4double ComputeCrossSectionPerAtom(
const G4ParticleDefinition*,
G4double kineticEnergy,
G4double Z, G4double A,
G4double cutEnergy,
G4double maxEnergy) override;
G4double CrossSectionPerVolume(const G4Material*,
const G4ParticleDefinition*,
G4double kineticEnergy,
G4double cutEnergy,
G4double maxEnergy) override;
G4double ComputeDEDXPerVolume(const G4Material*,
const G4ParticleDefinition*,
G4double kineticEnergy,
G4double cutEnergy) override;
// Compute ion charge not applied to alpha
G4double GetChargeSquareRatio(const G4ParticleDefinition*,
const G4Material*,
G4double kineticEnergy) override;
// add correction to energy loss and ompute non-ionizing energy loss
void CorrectionsAlongStep(const G4Material*,
const G4ParticleDefinition*,
const G4double kinEnergy,
const G4double cutEnergy,
const G4double& length,
G4double& eloss) override;
// hide assignment operator
G4BraggIonModel & operator=(const G4BraggIonModel &right) = delete;
G4BraggIonModel(const G4BraggIonModel&) = delete;
private:
G4double HeEffChargeSquare(const G4double z,
const G4double kinEnergyInMeV) const;
G4int HasMaterialForHe(const G4Material* material) const;
G4double HeStoppingPower(const G4double kinEnergy) const;
G4double HeElectronicStoppingPower(const G4int z, const G4double kinEnergy) const;
G4double HeDEDX(const G4Material* material, const G4double kinEnergy);
static G4ASTARStopping* fASTAR;
G4double heChargeSquare = 4.0;
G4double HeMass;
G4double massFactor;
G4int iASTAR = -1; // index in ASTAR
G4bool isAlpha = false;
G4bool isFirstAlpha = false;
};
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
#endif