Gabriele Cosmo
172 lines
5.6 KiB
C++
172 lines
5.6 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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// $Id: G4MscModel71.hh,v 1.4 2006/06/29 19:50:30 gunter Exp $
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// GEANT4 tag $Name: geant4-08-01 $
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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: G4MscMOdel71
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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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// 17-08-04 name of data member facxsi changed to factail (L.Urban)
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// 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
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// 15-04-05 optimize internal interface - add SampleSecondaries method (V.Ivanchenko)
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// 03-10-05 Model is freezed with the name McsModel71 (V.Ivanchenko)
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// 17-02-06 Save table of transport cross sections not mfp (V.Ivanchenko)
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// 07-03-06 Create G4UrbanMscModel and move there step limit calculation (V.Ivanchenko)
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//
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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 G4MscModel71_h
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#define G4MscModel71_h 1
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#include "G4VEmModel.hh"
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class G4ParticleChangeForMSC;
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class G4Navigator;
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class G4MscModel71 : public G4VEmModel
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{
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public:
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G4MscModel71(G4double&, G4double&, G4double&, G4double&, G4bool&,
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const G4String& nam = "MscUni");
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virtual ~G4MscModel71();
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virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
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virtual G4double ComputeCrossSectionPerAtom(
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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=0.,
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G4double cut =0.,
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G4double emax=DBL_MAX);
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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 length,
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G4double safety);
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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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void SetLateralDisplasmentFlag(G4bool val);
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private:
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// hide assignment operator
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G4MscModel71 & operator=(const G4MscModel71 &right);
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G4MscModel71(const G4MscModel71&);
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const G4ParticleDefinition* particle;
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G4ParticleChangeForMSC* fParticleChange;
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G4Navigator* navigator;
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G4double mass;
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G4double charge;
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G4double massRate;
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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 factail ;
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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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G4double stepmin ;
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G4double currentKinEnergy;
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G4double currentRange ;
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G4double currentRadLength;
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G4bool samplez;
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G4bool latDisplasment;
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G4bool isInitialized;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline void G4MscModel71::SetLateralDisplasmentFlag(G4bool val)
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{
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latDisplasment = val;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#endif
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