Gabriele Cosmo
207 lines
6.5 KiB
C++
207 lines
6.5 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
// $Id$
|
|
//
|
|
// -------------------------------------------------------------------
|
|
//
|
|
// GEANT4 Class header file
|
|
//
|
|
//
|
|
// File name: G4BraggModel
|
|
//
|
|
// Author: Vladimir Ivanchenko
|
|
//
|
|
// Creation date: 03.01.2002
|
|
//
|
|
// Modifications:
|
|
// 23-12-02 V.Ivanchenko change interface in order to moveto cut per region
|
|
// 24-01-03 Make models region aware (V.Ivanchenko)
|
|
// 13-02-03 Add name (V.Ivanchenko)
|
|
// 12-11-03 Fix for GenericIons (V.Ivanchenko)
|
|
// 11-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
|
|
// 15-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma)
|
|
// 25-04-06 Added stopping data from PSTAR (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 and NIST evaluated data
|
|
// for protons
|
|
|
|
// -------------------------------------------------------------------
|
|
//
|
|
|
|
#ifndef G4BraggModel_h
|
|
#define G4BraggModel_h 1
|
|
|
|
#include <CLHEP/Units/PhysicalConstants.h>
|
|
|
|
#include "G4VEmModel.hh"
|
|
#include "G4PSTARStopping.hh"
|
|
|
|
class G4ParticleChangeForLoss;
|
|
class G4EmCorrections;
|
|
|
|
class G4BraggModel : public G4VEmModel
|
|
{
|
|
|
|
public:
|
|
|
|
G4BraggModel(const G4ParticleDefinition* p = 0,
|
|
const G4String& nam = "Bragg");
|
|
|
|
virtual ~G4BraggModel();
|
|
|
|
virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
|
|
|
|
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);
|
|
|
|
virtual G4double CrossSectionPerVolume(const G4Material*,
|
|
const G4ParticleDefinition*,
|
|
G4double kineticEnergy,
|
|
G4double cutEnergy,
|
|
G4double maxEnergy);
|
|
|
|
virtual G4double ComputeDEDXPerVolume(const G4Material*,
|
|
const G4ParticleDefinition*,
|
|
G4double kineticEnergy,
|
|
G4double cutEnergy);
|
|
|
|
virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
|
|
const G4MaterialCutsCouple*,
|
|
const G4DynamicParticle*,
|
|
G4double tmin,
|
|
G4double maxEnergy);
|
|
|
|
// Compute ion charge
|
|
virtual G4double GetChargeSquareRatio(const G4ParticleDefinition*,
|
|
const G4Material*,
|
|
G4double kineticEnergy);
|
|
|
|
virtual G4double GetParticleCharge(const G4ParticleDefinition* p,
|
|
const G4Material* mat,
|
|
G4double kineticEnergy);
|
|
|
|
protected:
|
|
|
|
virtual G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
|
|
G4double kinEnergy);
|
|
|
|
inline G4double GetChargeSquareRatio() const;
|
|
|
|
inline void SetChargeSquareRatio(G4double val);
|
|
|
|
private:
|
|
|
|
inline void SetParticle(const G4ParticleDefinition* p);
|
|
|
|
G4bool HasMaterial(const G4Material* material);
|
|
|
|
G4double StoppingPower(const G4Material* material,
|
|
G4double kineticEnergy);
|
|
|
|
G4double ElectronicStoppingPower(G4double z,
|
|
G4double kineticEnergy) const;
|
|
|
|
G4double DEDX(const G4Material* material, G4double kineticEnergy);
|
|
|
|
G4bool MolecIsInZiegler1988(const G4Material* material);
|
|
|
|
G4double ChemicalFactor(G4double kineticEnergy, G4double eloss125) const;
|
|
|
|
void SetExpStopPower125(G4double value) {expStopPower125 = value;};
|
|
|
|
// hide assignment operator
|
|
G4BraggModel & operator=(const G4BraggModel &right);
|
|
G4BraggModel(const G4BraggModel&);
|
|
|
|
|
|
G4EmCorrections* corr;
|
|
|
|
const G4ParticleDefinition* particle;
|
|
G4ParticleDefinition* theElectron;
|
|
G4ParticleChangeForLoss* fParticleChange;
|
|
G4PSTARStopping pstar;
|
|
|
|
const G4Material* currentMaterial;
|
|
|
|
G4double mass;
|
|
G4double spin;
|
|
G4double chargeSquare;
|
|
G4double massRate;
|
|
G4double ratio;
|
|
G4double lowestKinEnergy;
|
|
G4double protonMassAMU;
|
|
G4double theZieglerFactor;
|
|
G4double expStopPower125; // Experimental Stopping power at 125keV
|
|
|
|
G4int iMolecula; // index in the molecula's table
|
|
G4int iPSTAR; // index in PSTAR
|
|
G4bool isIon;
|
|
G4bool isInitialised;
|
|
};
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
inline void G4BraggModel::SetParticle(const G4ParticleDefinition* p)
|
|
{
|
|
particle = p;
|
|
mass = particle->GetPDGMass();
|
|
spin = particle->GetPDGSpin();
|
|
G4double q = particle->GetPDGCharge()/CLHEP::eplus;
|
|
chargeSquare = q*q;
|
|
massRate = mass/CLHEP::proton_mass_c2;
|
|
ratio = CLHEP::electron_mass_c2/mass;
|
|
}
|
|
|
|
inline G4double G4BraggModel::GetChargeSquareRatio() const
|
|
{
|
|
return chargeSquare;
|
|
}
|
|
|
|
inline void G4BraggModel::SetChargeSquareRatio(G4double val)
|
|
{
|
|
chargeSquare = val;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
#endif
|