Gabriele Cosmo
134 lines
4.7 KiB
C++
134 lines
4.7 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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// $Id: G4eplusAnnihilation.hh,v 1.18 2005/12/05 16:44:43 maire Exp $
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// GEANT4 tag $Name: geant4-08-00 $
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class header file
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//
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//
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// File name: G4eplusAnnihilation
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//
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// Author: Vladimir Ivanchenko on base of Michel Maire code
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//
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// Creation date: 02.08.2004
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//
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// Modifications:
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// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivanchenko)
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// 15-03-05 Update interface according to changings in G4VEmProcess (V.Ivanchenko)
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// 08-04-05 Major optimisation of internal interfaces (V.Ivanchenko)
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// 04-05-05 Make class to be default (V.Ivanchenko)
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// 04-12-05 SetProposedKineticEnergy(0.) for annihilated positron (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 process of e+ annihilation into 2 gammas
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//
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// -------------------------------------------------------------------
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//
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#ifndef G4eplusAnnihilation_h
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#define G4eplusAnnihilation_h 1
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#include "G4VEmProcess.hh"
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#include "G4Positron.hh"
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#include "G4VEmModel.hh"
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class G4eplusAnnihilation : public G4VEmProcess
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{
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public:
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G4eplusAnnihilation(const G4String& name = "annihil");
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virtual ~G4eplusAnnihilation();
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virtual G4bool IsApplicable(const G4ParticleDefinition& p);
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virtual G4VParticleChange* AtRestDoIt(
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const G4Track& track,
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const G4Step& stepData);
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G4double AtRestGetPhysicalInteractionLength(
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const G4Track& track,
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G4ForceCondition* condition
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);
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// Print out of the class parameters
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virtual void PrintInfo();
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protected:
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virtual void InitialiseProcess(const G4ParticleDefinition*);
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std::vector<G4DynamicParticle*>* SecondariesPostStep(
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G4VEmModel*,
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*);
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private:
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// hide assignment operator
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G4eplusAnnihilation & operator=(const G4eplusAnnihilation &right);
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G4eplusAnnihilation(const G4eplusAnnihilation&);
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G4bool isInitialised;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4bool G4eplusAnnihilation::IsApplicable(const G4ParticleDefinition& p)
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{
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return (&p == G4Positron::Positron());
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4eplusAnnihilation::AtRestGetPhysicalInteractionLength(
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const G4Track&, G4ForceCondition* condition)
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{
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*condition = NotForced;
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return 0.0;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline std::vector<G4DynamicParticle*>* G4eplusAnnihilation::SecondariesPostStep(
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G4VEmModel* model,
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const G4MaterialCutsCouple* couple,
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const G4DynamicParticle* dp)
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{
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fParticleChange.SetProposedKineticEnergy(0.);
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fParticleChange.ProposeTrackStatus(fStopAndKill);
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return model->SampleSecondaries(couple, dp);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#endif
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