Gabriele Cosmo
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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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 statement,
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// and all its terms.
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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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// For information related to this code contact:
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// Geant4 Collaboration
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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 "G4VLowEnergyModel.hh"
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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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