Gabriele Cosmo
111 lines
3.8 KiB
C++
111 lines
3.8 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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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class file
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//
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//
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// File name: G4hBetheBlochModel
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//
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// Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch)
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//
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// Creation date: 20 July 2000
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//
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// Modifications:
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// 20/07/2000 V.Ivanchenko First implementation
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//
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// Class Description:
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//
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// Bethe-Bloch ionisation model
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// Further documentation available from http://www.ge.infn.it/geant4/lowE
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// -------------------------------------------------------------------
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//
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#ifndef G4hBetheBlochModel_h
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#define G4hBetheBlochModel_h 1
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#include "globals.hh"
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#include "G4VLowEnergyModel.hh"
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class G4Material;
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class G4ParticleDefinition;
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class G4DynamicParticle;
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class G4hBetheBlochModel : public G4VLowEnergyModel
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{
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public:
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explicit G4hBetheBlochModel(const G4String& name) ;
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~G4hBetheBlochModel() ;
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G4double TheValue(const G4DynamicParticle* particle,
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const G4Material* material);
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G4double TheValue(const G4ParticleDefinition* aParticle,
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const G4Material* material,
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G4double kineticEnergy);
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G4double HighEnergyLimit(const G4ParticleDefinition* aParticle,
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const G4Material* material) const;
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G4double LowEnergyLimit(const G4ParticleDefinition* aParticle,
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const G4Material* material) const;
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G4double HighEnergyLimit(const G4ParticleDefinition* aParticle) const;
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G4double LowEnergyLimit(const G4ParticleDefinition* aParticle) const;
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G4bool IsInCharge(const G4DynamicParticle* particle,
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const G4Material* material) const;
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G4bool IsInCharge(const G4ParticleDefinition* aParticle,
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const G4Material* material) const;
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protected:
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private:
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G4double BetheBlochFormula(const G4Material* material,
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G4double kineticEnergy,
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G4double particleMass) const;
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// constants needed for the energy loss calculation
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const G4double twoln10;
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const G4double bg2lim;
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const G4double taulim; // energy to start to switch off shell corrections
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// Low energy limit of the model
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G4double lowEnergyLimit;
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G4double highEnergyLimit;
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};
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#endif
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