Gabriele Cosmo
184 lines
7.2 KiB
C++
184 lines
7.2 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: G4MuIonisation52.hh,v 1.4 2006/06/29 19:49:18 gunter Exp $
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// GEANT4 tag $Name: geant4-08-01 $
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//
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// --------------- G4MuIonisation52 physics process ------------------------------
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// by Laszlo Urban, September 1997
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// -----------------------------------------------------------------------------
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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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// 29-08-01 new function ComputeRestrictedMeandEdx() + 'cleanup' (mma)
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// 19-09-01 come back to the old process name 'MuIoni'
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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 ComputeCrossSectionPerAtom() and dEdx() made public (mma)
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//
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// -----------------------------------------------------------------------------
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// Class description
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//
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// This class manages the ionisation process for muons.
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// it inherites from G4VContinuousDiscreteProcess via G4VMuEnergyLoss.
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//
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// Class description - end
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#ifndef G4MuIonisation52_h
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#define G4MuIonisation52_h 1
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#include "G4VMuEnergyLoss.hh"
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#include "G4MaterialCutsCouple.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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class G4MuIonisation52 : public G4VMuEnergyLoss
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{
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public: // with description
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G4MuIonisation52(const G4String& processName = "MuIoni");
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~G4MuIonisation52();
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G4bool IsApplicable(const G4ParticleDefinition&);
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// return true for charged particles, false otherwise
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void BuildPhysicsTable(const G4ParticleDefinition& aParticleType);
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// this function overloads a virtual function of the base class.
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// It is invoked by the G4ParticleWithCuts::SetCut() method.
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// It invokes BuildLambdaTable(), BuildLossTable(), BuildDEDXTable()
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void BuildLossTable(const G4ParticleDefinition& aParticleType);
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// build the dE/dx tables due to the ionisation, for every materials.
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// (restricted stopping power, Bethe-Bloch formula)
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void BuildLambdaTable(const G4ParticleDefinition& aParticleType);
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// build mean free path tables for the delta rays production.
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// the tables are built for every materials.
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virtual void PrintInfoDefinition();
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// Print few lines of informations about the process: validity range,
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// origine ..etc..
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// Invoked by BuildPhysicsTable().
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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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// It returns the MeanFreePath of the process for the current track :
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// (energy, material)
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// The previousStepSize and G4ForceCondition* are not used.
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// This function overloads a virtual function of the base class.
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// It is invoked by the ProcessManager of the Particle.
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G4VParticleChange* PostStepDoIt(const G4Track& track,
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const G4Step& Step );
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// It computes the final state of the process (at end of step),
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// returned as a ParticleChange object.
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// This function overloads a virtual function of the base class.
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// It is invoked by the ProcessManager of the Particle.
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public: // with description
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virtual G4double ComputeRestrictedMeandEdx(
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const G4ParticleDefinition& aParticleType,
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G4double KineticEnergy,
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const G4Material* material,
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G4double DeltaThreshold);
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// computes restricted mean dE/dx in Geant4 internal units.
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virtual G4double ComputeCrossSectionPerAtom(
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const G4ParticleDefinition& aParticleType,
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G4double KineticEnergy,
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G4double AtomicNumber,
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G4double DeltaThreshold);
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// computes total cross section per atom in Geant4 internal units.
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virtual G4double ComputeDifCrossSectionPerAtom(
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const G4ParticleDefinition& aParticleType,
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G4double KineticEnergy,
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G4double AtomicNumber,
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G4double KnockonEnergy);
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// computes differential cross section per atom.
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protected:
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virtual G4double SecondaryEnergyThreshold(size_t index);
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G4PhysicsTable* theMeanFreePathTable;
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private:
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// hide assignment operator
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G4MuIonisation52 & operator=(const G4MuIonisation52 &right);
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G4MuIonisation52(const G4MuIonisation52&);
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private:
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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; // binning for dE/dx table
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G4double HighestKineticEnergy;
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G4int TotBin;
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const std::vector<G4double>* secondaryEnergyCuts;
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public: // with description
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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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// set the parameters of the mean free path table.
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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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// get the parameters of the mean free path table.
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "G4MuIonisation52.icc"
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#endif
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