| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | // $Id: G4hPairProduction.hh,v 1.1 2008/03/06 11:47:11 vnivanch Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-02 $
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| 28 | //
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| 29 | // -------------------------------------------------------------------
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| 30 | //
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| 31 | // GEANT4 Class header file
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| 32 | //
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| 33 | //
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| 34 | // File name: G4hPairProduction
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| 35 | //
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| 36 | // Author: Vladimir Ivanchenko on base of model for muons
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| 37 | //
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| 38 | // Creation date: 01.03.2008
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| 39 | //
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| 40 | // Modifications:
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| 41 | //
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| 42 | //
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| 43 | // Class Description:
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| 44 | //
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| 45 | // This class manages the PairProduction process for hadrons
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| 46 | // it inherites from G4VContinuousDiscreteProcess via G4VEnergyLossProcess.
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| 47 | //
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| 48 |
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| 49 | // -------------------------------------------------------------------
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| 50 | //
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| 51 |
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| 52 | #ifndef G4hPairProduction_h
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| 53 | #define G4hPairProduction_h 1
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| 54 |
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| 55 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 56 |
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| 57 | #include "globals.hh"
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| 58 | #include "G4VEnergyLossProcess.hh"
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| 59 | #include "G4VEmModel.hh"
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| 60 |
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| 61 | class G4ParticleChangeForLoss;
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| 62 |
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| 63 | class G4hPairProduction : public G4VEnergyLossProcess
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| 64 | {
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| 65 | public:
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| 66 |
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| 67 | G4hPairProduction(const G4String& processName = "hPairProd");
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| 68 |
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| 69 | virtual ~G4hPairProduction();
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| 70 |
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| 71 | G4bool IsApplicable(const G4ParticleDefinition& p);
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| 72 |
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| 73 | G4double MinPrimaryEnergy(const G4ParticleDefinition* p,
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| 74 | const G4Material*, G4double cut);
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| 75 |
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| 76 | // Print out of the class parameters
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| 77 | void PrintInfo();
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| 78 |
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| 79 | protected:
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| 80 |
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| 81 | void InitialiseEnergyLossProcess(const G4ParticleDefinition*,
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| 82 | const G4ParticleDefinition*);
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| 83 |
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| 84 | private:
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| 85 |
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| 86 | G4hPairProduction & operator=(const G4hPairProduction &right);
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| 87 | G4hPairProduction(const G4hPairProduction&);
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| 88 |
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| 89 | const G4ParticleDefinition* theParticle;
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| 90 | const G4ParticleDefinition* theBaseParticle;
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| 91 |
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| 92 | G4ParticleChangeForLoss* fParticleChange;
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| 93 |
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| 94 | G4double lowestKinEnergy;
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| 95 | G4bool isInitialised;
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| 96 |
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| 97 | };
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| 98 |
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| 99 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 100 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 101 |
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| 102 | inline
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| 103 | G4bool G4hPairProduction::IsApplicable(const G4ParticleDefinition& p)
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| 104 | {
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| 105 | return (p.GetPDGCharge() != 0.0 && p.GetPDGMass() > 110.0*MeV);
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| 106 | }
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| 107 |
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| 108 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 109 |
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| 110 | inline
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| 111 | G4double G4hPairProduction::MinPrimaryEnergy(const G4ParticleDefinition*,
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| 112 | const G4Material*,
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| 113 | G4double)
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| 114 | {
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| 115 | return lowestKinEnergy;
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| 116 | }
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| 117 |
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| 118 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 119 |
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| 120 | #endif
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