Gabriele Cosmo
109 lines
3.6 KiB
C++
109 lines
3.6 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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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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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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// Low energy limit of the model
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G4double lowEnergyLimit;
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G4double highEnergyLimit;
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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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};
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#endif
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