Gabriele Cosmo
158 lines
5.4 KiB
C++
158 lines
5.4 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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// $Id: G4VEmModel.hh,v 1.19 2004/04/29 18:40:52 vnivanch Exp $
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// GEANT4 tag $Name: geant4-06-02 $
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class header file
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//
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//
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// File name: G4VEmModel
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//
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// Author: Vladimir Ivanchenko
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//
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// Creation date: 03.01.2002
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//
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// Modifications:
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//
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// 23-12-02 V.Ivanchenko change interface before move to cut per region
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// 24-01-03 Cut per region (V.Ivanchenko)
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// 13-02-03 Add name (V.Ivanchenko)
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// 25-02-03 Add sample theta and displacement (V.Ivanchenko)
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// 23-07-03 Replace G4Material by G4MaterialCutCouple in dE/dx and CrossSection
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// calculation (V.Ivanchenko)
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// 01-03-04 L.Urban signature changed in SampleCosineTheta
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// 23-04-04 L.urban signature of SampleCosineTheta changed back
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//
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//
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// Class Description:
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//
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// Abstract interface to energy loss models
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// -------------------------------------------------------------------
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//
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#ifndef G4VEmModel_h
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#define G4VEmModel_h 1
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#include "globals.hh"
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#include "G4DynamicParticle.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4MaterialCutsCouple.hh"
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#include "G4DataVector.hh"
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class G4PhysicsTable;
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class G4Region;
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class G4VEmModel
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{
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public:
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G4VEmModel(const G4String& nam): name(nam) {};
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virtual ~G4VEmModel() {};
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virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&) = 0;
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virtual G4double HighEnergyLimit(const G4ParticleDefinition*) = 0;
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virtual G4double LowEnergyLimit(const G4ParticleDefinition*) = 0;
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virtual void SetHighEnergyLimit(G4double) = 0;
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virtual void SetLowEnergyLimit(G4double) = 0;
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virtual G4double MinEnergyCut(const G4ParticleDefinition*,
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const G4MaterialCutsCouple*) = 0;
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virtual G4bool IsInCharge(const G4ParticleDefinition*) = 0;
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virtual G4double ComputeDEDX(const G4MaterialCutsCouple*,
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const G4ParticleDefinition*,
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G4double kineticEnergy,
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G4double cutEnergy) = 0;
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virtual G4double CrossSection(const G4MaterialCutsCouple*,
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const G4ParticleDefinition*,
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G4double kineticEnergy,
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G4double cutEnergy,
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G4double maxEnergy) = 0;
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virtual G4DynamicParticle* SampleSecondary(
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double tmin,
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G4double tmax) = 0;
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virtual std::vector<G4DynamicParticle*>* SampleSecondaries(
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double tmin,
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G4double tmax) = 0;
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virtual G4double MaxSecondaryEnergy(
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const G4DynamicParticle* dynParticle) = 0;
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const G4String& GetName() const {return name;};
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// Methods for msc simulation
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virtual G4double GeomPathLength(G4PhysicsTable*,
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const G4MaterialCutsCouple*,
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const G4ParticleDefinition*,
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G4double&,
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G4double,
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G4double,
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G4double truePathLength) {return truePathLength;};
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// G4double parameters: kinEnergy, lambda, range,
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// G4PhysicsTable: theLambdaTable
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virtual G4double TrueStepLength(G4double geomStepLength) {return geomStepLength;};
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virtual G4double SampleCosineTheta(G4double,G4double ) {return 1.0;};
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// trueStepLength + Tkin
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virtual G4double SampleDisplacement() {return 0.0;};
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virtual void DefineForRegion(const G4Region*) {};
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virtual void SetDynamicParticle(const G4DynamicParticle*) {};
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protected:
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virtual G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
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G4double kineticEnergy) = 0;
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private:
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// hide assignment operator
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G4VEmModel & operator=(const G4VEmModel &right);
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G4VEmModel(const G4VEmModel&);
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const G4String name;
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};
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#endif
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