Gabriele Cosmo
190 lines
6.1 KiB
C++
190 lines
6.1 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: G4MscModel.hh,v 1.11 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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//
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// GEANT4 Class header file
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//
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//
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// File name: G4MscModel
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//
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// Author: Laszlo Urban
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//
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// Creation date: 01.03.2001
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//
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// Modifications:
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//
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// 27-03-03 Move model part from G4MultipleScattering (V.Ivanchenko)
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// 27-03-03 Rename (V.Ivanchenko)
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//
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// 05-08-03 angle distribution has been modified (L.Urban)
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// 26-11-03 new data member currentRange (L.Urban)
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// 01-03-04 changes in data members + signature changed in SampleCosineTheta
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// 11-03-04 changes in data members (L.Urban)
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// 23-04-04 changes in data members and in signature of SampleCosineTheta
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// (L.Urban)
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//
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// Class Description:
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//
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// Implementation of the model of multiple scattering based on
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// H.W.Lewis Phys Rev 78 (1950) 526 and L.Urban model
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// -------------------------------------------------------------------
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//
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#ifndef G4MscModel_h
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#define G4MscModel_h 1
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#include "G4VEmModel.hh"
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class G4MscModel : public G4VEmModel
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{
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public:
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G4MscModel(G4double&, G4double&, G4double&, G4double&, G4bool&,
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const G4String& nam = "MscUni");
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~G4MscModel();
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void Initialise(const G4ParticleDefinition*, const G4DataVector&);
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G4double HighEnergyLimit(const G4ParticleDefinition*) {return highKinEnergy;};
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G4double LowEnergyLimit(const G4ParticleDefinition*) {return lowKinEnergy;};
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void SetHighEnergyLimit(G4double e) {highKinEnergy = e;};
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void SetLowEnergyLimit(G4double e) {lowKinEnergy = e;};
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G4double MinEnergyCut(const G4ParticleDefinition*,
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const G4MaterialCutsCouple*) {return 0.0;};
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G4bool IsInCharge(const G4ParticleDefinition*);
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G4double ComputeDEDX(const G4MaterialCutsCouple*,
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const G4ParticleDefinition*,
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G4double,
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G4double) {return 0.0;};
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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);
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G4DynamicParticle* SampleSecondary(
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double,
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G4double) {return 0;};
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std::vector<G4DynamicParticle*>* SampleSecondaries(
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double,
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G4double) {return 0;};
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G4double GeomPathLength(G4PhysicsTable* theLambdaTable,
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const G4MaterialCutsCouple* couple,
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const G4ParticleDefinition* particle,
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G4double& kineticEnergy,
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G4double lambda,
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G4double range,
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G4double truePathLength);
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G4double TrueStepLength(G4double geomStepLength);
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G4double SampleCosineTheta(G4double trueStepLength,G4double KineticEnergy);
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G4double SampleDisplacement();
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G4double MaxSecondaryEnergy(const G4DynamicParticle*) {return 0.0;};
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void SetDynamicParticle(const G4DynamicParticle*);
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protected:
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G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
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G4double) {return 0.0;};
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private:
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G4double ComputeTransportCrossSection(
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const G4ParticleDefinition* particle,
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G4double KineticEnergy,
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G4double AtomicNumber,
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G4double AtomicWeight);
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// hide assignment operator
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G4MscModel & operator=(const G4MscModel &right);
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G4MscModel(const G4MscModel&);
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const G4ParticleDefinition* particle;
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G4double mass;
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G4double charge;
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G4double massRate;
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G4double highKinEnergy;
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G4double lowKinEnergy;
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G4double taubig;
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G4double tausmall;
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G4double taulim;
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G4double currentTau;
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G4double dtrl;
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G4double NuclCorrPar;
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G4double FactPar;
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G4double facxsi;
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G4double sigmafactor;
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G4double b;
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G4double xsi;
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G4double lambda0;
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G4double tPathLength;
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G4double par1,par2,par3 ;
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G4bool samplez;
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G4double stepmin ;
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G4double currentKinEnergy;
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G4double currentRange ;
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G4double currentRadLength;
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};
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inline void G4MscModel::SetDynamicParticle(const G4DynamicParticle* dp)
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{
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particle = dp->GetDefinition();
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mass = dp->GetMass();
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charge = dp->GetCharge()/eplus;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#endif
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