Gabriele Cosmo
172 lines
6.9 KiB
C++
172 lines
6.9 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4eIonisation52.hh,v 1.4 2006/06/29 19:52:10 gunter Exp $
|
|
// GEANT4 tag $Name: geant4-08-01 $
|
|
//
|
|
//--------------- G4eIonisation52 physics process --------------------------------
|
|
// by Laszlo Urban, 20 March 1997
|
|
//
|
|
// 10-02-00 modifications , new e.m. structure, L.Urban
|
|
// 03-08-01 new methods Store/Retrieve PhysicsTable (mma)
|
|
// 13-08-01 new function ComputeRestrictedMeandEdx() (mma)
|
|
// 19-09-01 come back to previous ProcessName "eIoni"
|
|
// 29-10-01 all static functions no more inlined (mma)
|
|
// 15-01-03 Migrade to cut per region (V.Ivanchenko)
|
|
// 08-08-03 This class is frozen at the release 5.2 (V.Ivanchenko)
|
|
// 09-11-04 Remove Store/Retrieve tables (V.Ivantchenko)
|
|
// 07-02-06 ComputeCrossSectionPerAtom() and dEdx() made public (mma)
|
|
//
|
|
//------------------------------------------------------------------------------
|
|
|
|
// Class description
|
|
//
|
|
// This class manages the ionisation process for e-/e+
|
|
// it inherites from G4VContinuousDiscreteProcess via G4VeEnergyLoss.
|
|
//
|
|
// Class description - end
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
#ifndef G4eIonisation52_h
|
|
#define G4eIonisation52_h 1
|
|
|
|
#include "G4VeEnergyLoss.hh"
|
|
#include "G4MaterialCutsCouple.hh"
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
class G4eIonisation52 : public G4VeEnergyLoss
|
|
|
|
{
|
|
public: // with description
|
|
|
|
G4eIonisation52(const G4String& processName = "eIoni");
|
|
|
|
~G4eIonisation52();
|
|
|
|
G4bool IsApplicable(const G4ParticleDefinition&);
|
|
// return true for e+/e-, false otherwise
|
|
|
|
void BuildPhysicsTable(const G4ParticleDefinition& aParticleType);
|
|
// this function overloads a virtual function of the base class.
|
|
// It is invoked by the G4ParticleWithCuts::SetCut() method.
|
|
// It invokes BuildLambdaTable(), BuildLossTable(), BuildDEDXTable()
|
|
|
|
void BuildLossTable(const G4ParticleDefinition& aParticleType);
|
|
// build the dE/dx tables due to the ionisation, for every materials.
|
|
// (restricted stopping power, Berger-Seltzer formula)
|
|
|
|
void BuildLambdaTable(const G4ParticleDefinition& aParticleType);
|
|
// build mean free path tables for the delta rays production.
|
|
// the tables are built for every materials.
|
|
|
|
void PrintInfoDefinition();
|
|
// Print few lines of informations about the process: validity range,
|
|
// origine ..etc..
|
|
// Invoked by BuildPhysicsTable().
|
|
|
|
G4double GetMeanFreePath(const G4Track& track,
|
|
G4double previousStepSize,
|
|
G4ForceCondition* condition );
|
|
// It returns the MeanFreePath of the process for the current track :
|
|
// (energy, material)
|
|
// The previousStepSize and G4ForceCondition* are not used.
|
|
// This function overloads a virtual function of the base class.
|
|
// It is invoked by the ProcessManager of the Particle.
|
|
|
|
G4VParticleChange *PostStepDoIt(const G4Track& track,
|
|
const G4Step& Step );
|
|
// It computes the final state of the process (at end of step),
|
|
// returned as a ParticleChange object.
|
|
// This function overloads a virtual function of the base class.
|
|
// It is invoked by the ProcessManager of the Particle.
|
|
|
|
G4double GetLambda(G4double KineticEnergy, const G4MaterialCutsCouple* couple);
|
|
// It returns the MeanFreePath of the process for a (energy, material)
|
|
|
|
public: // with description
|
|
|
|
virtual G4double ComputeRestrictedMeandEdx(
|
|
const G4ParticleDefinition& aParticleType,
|
|
G4double KineticEnergy,
|
|
const G4Material* material,
|
|
G4double DeltaThreshold);
|
|
// computes restricted mean dE/dx in Geant4 internal units.
|
|
|
|
virtual G4double ComputeCrossSectionPerAtom(
|
|
const G4ParticleDefinition& aParticleType,
|
|
G4double KineticEnergy,
|
|
G4double AtomicNumber,
|
|
G4double DeltaThreshold);
|
|
// computes total cross section per atom in Geant4 internal units.
|
|
|
|
protected:
|
|
|
|
virtual G4double SecondaryEnergyThreshold(size_t index);
|
|
|
|
G4PhysicsTable* theMeanFreePathTable;
|
|
|
|
private:
|
|
|
|
// hide assignment operator
|
|
G4eIonisation52 & operator=(const G4eIonisation52 &right);
|
|
G4eIonisation52(const G4eIonisation52&);
|
|
|
|
private:
|
|
|
|
static G4double LowerBoundLambda; // binning for mean free path table
|
|
static G4double UpperBoundLambda;
|
|
static G4int NbinLambda;
|
|
|
|
G4double LowestKineticEnergy; // binning for dE/dx table
|
|
G4double HighestKineticEnergy;
|
|
G4int TotBin;
|
|
|
|
const std::vector<G4double>* secondaryEnergyCuts;
|
|
|
|
public: // with description
|
|
|
|
static void SetLowerBoundLambda(G4double val);
|
|
static void SetUpperBoundLambda(G4double val);
|
|
static void SetNbinLambda(G4int n);
|
|
// set the parameters of the mean free path table.
|
|
|
|
static G4double GetLowerBoundLambda();
|
|
static G4double GetUpperBoundLambda();
|
|
static G4int GetNbinLambda();
|
|
// get the parameters of the mean free path table.
|
|
|
|
};
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
#include "G4eIonisation52.icc"
|
|
|
|
#endif
|
|
|