Gabriele Cosmo
176 lines
7.0 KiB
C++
176 lines
7.0 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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//
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// $Id: G4MuPairProduction52.hh,v 1.4 2006/06/29 19:49:24 gunter Exp $
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// GEANT4 tag $Name: geant4-08-01 $
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//
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//--------------- G4MuPairProduction52 physics process ------------------
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// by Laszlo Urban, May 1998
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//------------------------------------------------------------------------------
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// 10-02-00 modifications , new e.m. structure, L.Urban
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// 10-08-01 new methods Store/Retrieve PhysicsTable (mma)
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// 29-10-01 all static functions no more inlined (mma)
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// 16-01-03 Migrade to cut per region (V.Ivanchenko)
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// 08-08-03 This class is frozen at the release 5.2 (V.Ivanchenko)
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// 08-11-04 Remove interface of Store/Retrieve tables (V.Ivantchenko)
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// 10-02-06 ComputeMicroscopicCrossSection() made public (mma)
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//------------------------------------------------------------------------------
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#ifndef G4MuPairProduction52_h
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#define G4MuPairProduction52_h 1
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "G4ios.hh"
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#include "globals.hh"
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#include "Randomize.hh"
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#include "G4VMuEnergyLoss.hh"
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#include "G4Track.hh"
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#include "G4Step.hh"
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#include "G4OrderedTable.hh"
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#include "G4PhysicsTable.hh"
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#include "G4PhysicsLogVector.hh"
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#include "G4MaterialCutsCouple.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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class G4MuPairProduction52 : public G4VMuEnergyLoss
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{
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public:
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G4MuPairProduction52(const G4String& processName = "MuPairProd");
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~G4MuPairProduction52();
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G4bool IsApplicable(const G4ParticleDefinition&);
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void BuildPhysicsTable(const G4ParticleDefinition& ParticleType);
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void BuildLossTable(const G4ParticleDefinition& ParticleType);
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void BuildLambdaTable(const G4ParticleDefinition& ParticleType);
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void PrintInfoDefinition();
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G4double GetMeanFreePath( const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition );
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G4VParticleChange *PostStepDoIt(const G4Track& track,
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const G4Step& Step );
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G4double GetDMicroscopicCrossSection(
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const G4ParticleDefinition* ParticleType,
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G4double KineticEnergy,
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G4double AtomicNumber,
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G4double PairEnergy);
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public:
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G4double ComputeMeanFreePath(const G4ParticleDefinition* ParticleType,
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G4double KineticEnergy,
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const G4MaterialCutsCouple* couple);
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void ComputePartialSumSigma(const G4ParticleDefinition* ParticleType,
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G4double KineticEnergy,
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const G4MaterialCutsCouple* couple);
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virtual G4double ComputeMicroscopicCrossSection(
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const G4ParticleDefinition* ParticleType,
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G4double KineticEnergy,
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G4double AtomicNumber,
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G4double ElectronEnergyCut,
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G4double PositronEnergyCut);
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G4double ComputeDDMicroscopicCrossSection(
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const G4ParticleDefinition* ParticleType,
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G4double KineticEnergy,
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G4double AtomicNumber,
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G4double PairEnergy,
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G4double asymmetry);
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G4double ComputeDMicroscopicCrossSection(
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const G4ParticleDefinition* ParticleType,
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G4double KineticEnergy,
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G4double AtomicNumber,
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G4double PairEnergy);
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private:
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G4MuPairProduction52 & operator=(const G4MuPairProduction52 &right);
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G4MuPairProduction52(const G4MuPairProduction52&);
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G4double ComputePairLoss( const G4ParticleDefinition* ParticleType,
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G4double Z,G4double T,G4double ElectronCut,
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G4double PositronCut);
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G4Element* SelectRandomAtom(const G4MaterialCutsCouple* couple) const;
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void MakeSamplingTables( const G4ParticleDefinition* ParticleType );
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protected:
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virtual G4double SecondaryEnergyThreshold(size_t index);
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private:
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G4PhysicsTable* theMeanFreePathTable;
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G4OrderedTable PartialSumSigma;
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static G4double LowerBoundLambda; // bining for lambda table
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static G4double UpperBoundLambda;
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static G4int NbinLambda;
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G4double LowestKineticEnergy,HighestKineticEnergy;
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G4int TotBin;
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const std::vector<G4double>* electronEnergyCuts;
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const std::vector<G4double>* positronEnergyCuts;
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// tables for sampling
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static G4int nzdat,ntdat,NBIN;
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static G4double zdat[5],tdat[8];
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static G4double ya[1001],proba[5][8][1001];
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static G4double MinPairEnergy;
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public:
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static void SetLowerBoundLambda(G4double val);
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static void SetUpperBoundLambda(G4double val);
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static void SetNbinLambda(G4int n);
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static G4double GetLowerBoundLambda();
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static G4double GetUpperBoundLambda();
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static G4int GetNbinLambda();
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "G4MuPairProduction52.icc"
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#endif
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