Gabriele Cosmo
149 lines
4.8 KiB
C++
149 lines
4.8 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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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 statement,
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// and all its terms.
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//
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// $Id: G4IMuIonisation.hh,v 1.3 2000/04/25 14:18:58 maire Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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// ------------------------------------------------------------
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// GEANT 4 class header file
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//
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// For information related to this code contact:
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// CERN, CN Division, ASD group
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// History: first implementation, based on object model of
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// 2nd December 1995, G.Cosmo
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// ------------ G4IMuIonisation physics process ------------
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// by Laszlo Urban, September 1997
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// ------------------------------------------------------------
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// It is the implementation of the NEW IONISATION
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// PROCESS. ( delta rays + continuous energy loss)
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// It calculates the ionisation for muons.
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// ************************************************************
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//
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// ------------------------------------------------------------
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#ifndef G4IMuIonisation_h
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#define G4IMuIonisation_h 1
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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 "G4VIMuEnergyLoss.hh"
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#include "globals.hh"
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#include "G4Track.hh"
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#include "G4Step.hh"
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#include "G4Electron.hh"
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#include "G4PhysicsLogVector.hh"
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#include "G4PhysicsLinearVector.hh"
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class G4IMuIonisation : public G4VIMuEnergyLoss
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{
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public:
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G4IMuIonisation(const G4String& processName = "IMuIonisation");
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~G4IMuIonisation();
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G4bool IsApplicable(const G4ParticleDefinition&);
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private:
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// hide assignment operator
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G4IMuIonisation & operator=(const G4IMuIonisation &right);
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G4IMuIonisation(const G4IMuIonisation&);
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public:
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// post Step functions .......................................
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G4double PostStepGetPhysicalInteractionLength(
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const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition
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) ;
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G4VParticleChange *PostStepDoIt(
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const G4Track& track,
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const G4Step& Step ) ;
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void BuildLossTable(const G4ParticleDefinition& aParticleType);
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void BuildLambdaTable(const G4ParticleDefinition& aParticleType);
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void BuildPhysicsTable(const G4ParticleDefinition& aParticleType);
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virtual G4double ComputeMicroscopicCrossSection(
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const G4ParticleDefinition& aParticleType,
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G4double KineticEnergy,
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G4double AtomicNumber);
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private:
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void BuildNlambdaTable(const G4ParticleDefinition& aParticleType) ;
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void BuildNlambdaVector(const G4ParticleDefinition& aParticleType,
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G4int materialIndex,
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G4PhysicsLogVector* nlambdaVector) ;
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void BuildInverseNlambdaTable(
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const G4ParticleDefinition& aParticleType) ;
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void InvertNlambdaVector(const G4ParticleDefinition& aParticleType,
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G4int materialIndex,
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G4PhysicsLogVector* nlambdaVector) ;
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void BuildCoeffATable(const G4ParticleDefinition& aParticleType) ;
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void BuildCoeffBTable(const G4ParticleDefinition& aParticleType) ;
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void BuildCoeffCTable(const G4ParticleDefinition& aParticleType) ;
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void TestOfInversion(const G4ParticleDefinition& aParticleType,
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G4int printflag) ;
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// private data members ...............................
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G4PhysicsTable* theMeanFreePathTable;
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G4PhysicsTable* theNlambdaTable;
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G4PhysicsTable* theInverseNlambdaTable;
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G4PhysicsTable* theCoeffATable;
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G4PhysicsTable* theCoeffBTable;
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G4PhysicsTable* theCoeffCTable;
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// LowestKineticEnergy = lower limit of particle kinetic energy
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// HighestKineticEnergy = upper limit of particle kinetic energy
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// TotBin = number of bins
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// ---------in the energy ionisation loss table-------------------
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const G4double LowestKineticEnergy;
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const G4double HighestKineticEnergy;
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G4int TotBin;
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// cut in range
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G4double CutInRange ;
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G4double lastCutInRange ;
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// particles , cuts in kinetic energy ........
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const G4Electron* theElectron;
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const G4MuonPlus* theMuonPlus;
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const G4MuonMinus* theMuonMinus;
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const G4double* ParticleCutInKineticEnergy;
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const G4double* DeltaCutInKineticEnergy ;
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G4double ParticleCutInKineticEnergyNow ;
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G4double DeltaCutInKineticEnergyNow ;
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G4int NumberOfBuildPhysicsTableCalls ;
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};
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#include "G4IMuIonisation.icc"
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#endif
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