Gabriele Cosmo
228 lines
7.7 KiB
C++
228 lines
7.7 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: G4ParticleWithCuts.hh,v 1.4.4.1 1999/12/07 20:49:52 gunter Exp $
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// GEANT4 tag $Name: geant4-01-00 $
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//
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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, IT Division, ASD group
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// History: first implementation, based on object model of
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// Hisaya Kurashige, 21 Oct 1996
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// Calculation of Range Table is based on
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// implementeation for Muon by L.Urban, 10 May 1996
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// ----------------------------------------------------------------
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// modified by Hisaya Kurashige, 04 Jan 1997
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// added verboseLevel by Hisaya Kurashige 13 Nov 1997
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// added ReCalcCuts() and ResetCuts H.Kurashige 15 Nov.1996
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// BuildPhysicsTable() becomes dummy H.Kurashige 06 June 1998
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// added GetEnergyThreshold H.Kurashige 08 June 1998
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// change Lowest/HighestEnergy as static H.Kurashige 18 June 1998
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// ----------------------------------------------------------------
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// Class Description
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// "theCutInMaxInteractionLength", for charged particles, is
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// coincident with a cut in stopping range; for neutral
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// particles it corresponds to the distance allowed by
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// the total cross section.
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// "theKineticEnergyCuts" is the vector of cuts in kinetic
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// energy (a value per material); it is allocated/computed
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// in the specific SetCuts method.
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// void SetCuts(G4double aCut):
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// Sets the cuts values relative to this particle type in stopping
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// range (or absorption length) and converts those cuts into energy cuts
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// for all the materials defined in the Material table.
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// [in protected method of CalcEnergyCuts(G4double aCut) ;
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// It also triggers the recomputation of the physics tables of the
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// void ReCalcCuts():
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// Re calculate energy cut values with the previous cut value in range
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// void ResetCuts():
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// Reset alll cut values in energy, though theCutInMaxInteractionLength
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// remains unchanged
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// G4double GetCuts():
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// Returns value of the cut in interaction length for all the
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// processes of this particle type.
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// const G4double* GetCutsInEnergy();
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// Returns vector of energy cuts (ordered per material)
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// corresponding to the current stopping range or absorption length
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//
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#ifndef G4ParticleWithCuts_h
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#define G4ParticleWithCuts_h 1
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#include "globals.hh"
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#include "G4ios.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4PhysicsTable.hh"
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#include "G4Element.hh"
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#include "G4Material.hh"
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class G4PhysicsLogVector;
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class G4ParticleWithCuts : public G4ParticleDefinition
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{
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public:
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G4ParticleWithCuts(const G4String& aName,
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G4double mass,
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G4double width,
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G4double charge,
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G4int iSpin,
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G4int iParity,
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G4int iConjugation,
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G4int iIsospin,
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G4int iIsospinZ,
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G4int gParity,
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const G4String& pType,
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G4int lepton,
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G4int baryon,
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G4int encoding,
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G4bool stable,
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G4double lifetime,
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G4DecayTable *decaytable,
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G4bool resonance = false);
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virtual ~G4ParticleWithCuts();
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//--------------for SetCuts-------------------------------------------
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protected:
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G4double theCutInMaxInteractionLength;
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G4double* theKineticEnergyCuts;
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public: // With Description
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// virtual methods derived from G4ParticleDefinition
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virtual void ResetCuts();
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// Reset alll cut values in energy
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// but theCutInMaxInteractionLength remain unchanged
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virtual void ReCalcCuts();
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// Set cut values in energy derived from theCutInMaxInteractionLength
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virtual void SetCuts(G4double aCut);
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// Set cut values in energy derived from the cut range of aCut
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virtual G4double GetLengthCuts() const;
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virtual G4double* GetEnergyCuts() const;
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virtual G4double GetEnergyThreshold(const G4Material* aMaterial) const;
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static void SetEnergyRange(G4double, G4double);
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protected:
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virtual void CalcEnergyCuts(G4double aCut);
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// BuildPhysicsTable is defined as a dummy routine
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void BuildPhysicsTable() {};
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//-------------- Loss Table ------------------------------------------
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// theLossTable is a collection of loss vectors for all elements.
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// Each loss vector has energy loss values (cross section values
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// for neutral particles) which are calculated by
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// ComputeLoss(G4double AtomicNumber,G4double KineticEnergy).
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protected:
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typedef G4PhysicsTable G4LossTable;
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G4LossTable* theLossTable;
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G4int NumberOfElements;
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typedef G4PhysicsLogVector G4LossVector;
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static G4double LowestEnergy, HighestEnergy;
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G4int TotBin;
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protected:
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virtual void BuildLossTable();
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virtual G4double ComputeLoss(G4double AtomicNumber,
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G4double KineticEnergy
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) const;
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//-------------- Range Table ------------------------------------------
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protected:
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typedef G4PhysicsLogVector G4RangeVector;
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virtual void BuildRangeVector(const G4Material* aMaterial,
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const G4LossTable* aLossTable,
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G4double maxEnergy,
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G4double aMass,
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G4RangeVector* rangeVector);
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protected:
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G4double ConvertCutToKineticEnergy(
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G4RangeVector* theRangeVector
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) const;
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static G4double RangeLinSimpson(
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const G4ElementVector* elementVector,
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const G4double* atomicNumDensityVector,
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const G4LossTable* aLossTable,
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G4double aMass,
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G4double taulow, G4double tauhigh,
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G4int nbin, G4int NumEl
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);
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static G4double RangeLogSimpson(
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const G4ElementVector* elementVector,
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const G4double* atomicNumDensityVector,
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const G4LossTable* aLossTable,
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G4double aMass,
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G4double ltaulow, G4double ltauhigh,
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G4int nbin, G4int NumEl
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);
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};
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inline G4double G4ParticleWithCuts::GetLengthCuts() const
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{
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return theCutInMaxInteractionLength;
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}
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inline G4double* G4ParticleWithCuts::GetEnergyCuts() const
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{
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return theKineticEnergyCuts;
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}
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inline void G4ParticleWithCuts::ResetCuts()
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{
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if(theKineticEnergyCuts) delete [] theKineticEnergyCuts;
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theKineticEnergyCuts = 0;
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}
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inline void G4ParticleWithCuts::ReCalcCuts()
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{
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if (theCutInMaxInteractionLength>0.0) {
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CalcEnergyCuts(theCutInMaxInteractionLength);
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} else {
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if (GetVerboseLevel()>0) {
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G4cout << "G4ParticleWithCuts::ReCalcCuts() :";
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G4cout << "theCutInMaxInteractionLength is not defined " << endl;
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}
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}
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}
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inline void G4ParticleWithCuts::SetCuts(G4double aCut)
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{
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CalcEnergyCuts(aCut);
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}
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inline
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void G4ParticleWithCuts::SetEnergyRange(G4double lowedge, G4double highedge)
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{
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LowestEnergy = lowedge;
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HighestEnergy = highedge;
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}
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#include "G4Material.hh"
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inline
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G4double G4ParticleWithCuts::GetEnergyThreshold(const G4Material* aMaterial) const
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{
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return theKineticEnergyCuts[aMaterial->GetIndex()];
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}
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#endif
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