Gabriele Cosmo
159 lines
6.0 KiB
C++
159 lines
6.0 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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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 *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4IeplusAnnihilation.hh,v 1.1.2.2 2001/06/28 20:19:19 gunter Exp $
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// GEANT4 tag $Name: $
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//
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// $Id:
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// ------------------------------------------------------------
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// GEANT 4 class header file
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// CERN Geneva Switzerland
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//
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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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// ------------ G4IeplusAnnihilation process ------
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// by Michel Maire, 7 july 1996
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// ************************************************************
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// ************************************************************
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// It is the first implementation of the
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// eplusANNIHILATION PROCESS
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// using an INTEGRAL APPROACH instead of the differential
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// one used in the standard implementation .
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// ************************************************************
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// by Laszlo Urban, 23 June 1998
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// ----------------------------------------------------------
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// 28/10/98: cleanup L. Urban
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#ifndef G4IeplusAnnihilation_h
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#define G4IeplusAnnihilation_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 "G4IVRestDiscreteProcess.hh"
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#include "G4EnergyLossTables.hh"
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#include "G4PhysicsTable.hh"
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#include "G4PhysicsLogVector.hh"
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#include "G4PhysicsLinearVector.hh"
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#include "G4ElementTable.hh"
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#include "G4Gamma.hh"
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#include "G4Positron.hh"
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#include "G4Step.hh"
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class G4IeplusAnnihilation : public G4IVRestDiscreteProcess
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{
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public:
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G4IeplusAnnihilation(const G4String& processName ="Iannihil");
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~G4IeplusAnnihilation();
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G4bool IsApplicable(const G4ParticleDefinition&);
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void SetPhysicsTableBining(G4double lowE, G4double highE, G4int nBins);
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void PrintInfoDefinition();
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void BuildPhysicsTable(const G4ParticleDefinition& PositronType);
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G4double PostStepGetPhysicalInteractionLength(const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition) ;
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G4double GetMicroscopicCrossSection(G4DynamicParticle* aDynamicPositron,
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G4Element* anElement);
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G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
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const G4Step& aStep);
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G4double GetMeanLifeTime(const G4Track& aTrack,
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G4ForceCondition* condition);
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G4VParticleChange* AtRestDoIt(const G4Track& aTrack,
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const G4Step& aStep);
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protected:
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virtual G4double ComputeMicroscopicCrossSection(G4double PositKinEnergy,
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G4double AtomicNumber);
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virtual G4double ComputeMeanFreePath(G4double PositKinEnergy,
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G4Material* aMaterial);
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private:
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// hide assignment operator as private
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G4IeplusAnnihilation& operator=(const G4IeplusAnnihilation &right);
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G4IeplusAnnihilation(const G4IeplusAnnihilation& );
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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:
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G4PhysicsTable* theCrossSectionTable; // table for crossection
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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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G4double LowestEnergyLimit ; // low energy limit of the crossection formula
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G4double HighestEnergyLimit ; // high energy limit of the crossection formula
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G4int NumbBinTable ; // number of bins in the crossection table
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G4int NumberOfBuildPhysicsTableCalls ;
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G4double LowestKineticEnergy ;
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G4double HighestKineticEnergy;
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G4int TotBin ;
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G4double RTable ;
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};
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#include "G4IeplusAnnihilation.icc"
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#endif
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