Gabriele Cosmo
186 lines
5.8 KiB
C++
186 lines
5.8 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4IonCoulombScatteringModel.hh
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// -------------------------------------------------------------------
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//
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// GEANT4 Class header file
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//
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// File name: G4IonCoulombScatteringModel
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//
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// Author: Cristina Consolandi
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//
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// Creation date: 05.10.2010 from G4eCoulombScatteringModel
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// & G4CoulombScatteringModel
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//
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//
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// Class Description:
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// Single Scattering Model for
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// for protons, alpha and heavy Ions
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//
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// Reference:
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// M.J. Boschini et al. "Nuclear and Non-Ionizing Energy-Loss
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// for Coulomb ScatteredParticles from Low Energy up to Relativistic
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// Regime in Space Radiation Environment"
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// Accepted for publication in the Proceedings of the ICATPP Conference
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// on Cosmic Rays for Particle and Astroparticle Physics, Villa Olmo, 7-8
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// October, 2010, to be published by World Scientific (Singapore).
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//
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// Available for downloading at:
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// http://arxiv.org/abs/1011.4822
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//
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// -------------------------------------------------------------------
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//
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#ifndef G4IonCoulombScatteringModel_h
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#define G4IonCoulombScatteringModel_h 1
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#include "G4VEmModel.hh"
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#include "globals.hh"
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#include "G4NistManager.hh"
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#include "G4IonCoulombCrossSection.hh"
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#include <vector>
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class G4ParticleChangeForGamma;
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class G4ParticleDefinition;
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class G4IonTable;
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class G4IonCoulombScatteringModel : public G4VEmModel
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{
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public:
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explicit G4IonCoulombScatteringModel(const G4String& nam =
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"IonCoulombScattering");
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~G4IonCoulombScatteringModel() override;
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void Initialise(const G4ParticleDefinition*, const G4DataVector&) final;
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G4double ComputeCrossSectionPerAtom(
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const G4ParticleDefinition*,
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G4double kinEnergy,
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G4double Z,
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G4double A,
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G4double cut,
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G4double emax) final;
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void SampleSecondaries(std::vector<G4DynamicParticle*>*,
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double tmin,
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G4double maxEnergy) final;
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inline void SetRecoilThreshold(G4double eth);
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inline void SetHeavyIonCorr(G4int b);
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inline G4int GetHeavyIonCorr();
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// hide assignment operator
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G4IonCoulombScatteringModel & operator=
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(const G4IonCoulombScatteringModel &right) = delete;
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G4IonCoulombScatteringModel(const G4IonCoulombScatteringModel&) = delete;
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private:
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inline void DefineMaterial(const G4MaterialCutsCouple*);
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inline void SetupParticle(const G4ParticleDefinition*);
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G4IonTable* theIonTable;
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G4ParticleChangeForGamma* fParticleChange;
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G4NistManager* fNistManager;
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G4IonCoulombCrossSection* ioncross;
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const std::vector<G4double>* pCuts;
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const G4MaterialCutsCouple* currentCouple;
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const G4Material* currentMaterial;
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const G4Element* currentElement;
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G4int currentMaterialIndex;
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G4int heavycorr;
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G4double cosThetaMin;
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G4double recoilThreshold;
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// projectile
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const G4ParticleDefinition* particle;
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const G4ParticleDefinition* theProton;
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G4double mass;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline void
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G4IonCoulombScatteringModel::DefineMaterial(const G4MaterialCutsCouple* cup)
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{
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if(cup != currentCouple) {
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currentCouple = cup;
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currentMaterial = cup->GetMaterial();
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currentMaterialIndex = currentCouple->GetIndex();
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline
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void G4IonCoulombScatteringModel::SetupParticle(const G4ParticleDefinition* p)
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{
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if(p != particle) {
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particle = p;
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mass = particle->GetPDGMass();
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ioncross->SetupParticle(p);
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline void G4IonCoulombScatteringModel::SetRecoilThreshold(G4double eth)
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{
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recoilThreshold = eth;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline void G4IonCoulombScatteringModel::SetHeavyIonCorr(G4int b)
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{
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heavycorr = b;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4int G4IonCoulombScatteringModel::GetHeavyIonCorr()
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{
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return heavycorr;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#endif
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