include/Geant4/G4ePairProduction.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class header file
0030 //
0031 //
0032 // File name:     G4ePairProduction
0033 //
0034 // Author:        Vladimir Ivanchenko
0035 //
0036 // Creation date: 17.03.2016
0037 //
0038 // Modifications:
0039 //
0040 // Class Description:
0041 //
0042 // This class manages the PairProduction process for e+-.
0043 // it inherites from G4VEnergyLossProcess.
0044 //
0045
0046 // -------------------------------------------------------------------
0047 //
0048
0049 #ifndef G4ePairProduction_h
0050 #define G4ePairProduction_h 1
0051
0052 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0053
0054 #include "globals.hh"
0055 #include "G4VEnergyLossProcess.hh"
0056
0057 class G4ePairProduction : public G4VEnergyLossProcess
0058 {
0059 public:
0060
0061   explicit G4ePairProduction(const G4String& processName = "ePairProd");
0062
0063   ~G4ePairProduction() = default;
0064
0065   virtual G4bool IsApplicable(const G4ParticleDefinition& p) override;
0066
0067   virtual G4double MinPrimaryEnergy(const G4ParticleDefinition* p,
0068                     const G4Material*, G4double cut) override;
0069
0070   inline void SetLowestKineticEnergy(G4double e);
0071
0072   // print description in html
0073   virtual void ProcessDescription(std::ostream&) const override;
0074
0075   G4ePairProduction & operator=(const G4ePairProduction &right) = delete;
0076   G4ePairProduction(const G4ePairProduction&) = delete;
0077
0078 protected:
0079
0080   // Print out of the class parameters
0081   virtual void StreamProcessInfo(std::ostream& outFile) const override;
0082
0083   virtual void InitialiseEnergyLossProcess(const G4ParticleDefinition*,
0084                        const G4ParticleDefinition*) override;
0085
0086   const G4ParticleDefinition* theParticle = nullptr;
0087   G4double                    lowestKinEnergy;
0088   G4bool                      isInitialised = false;
0089
0090 };
0091
0092 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0093
0094 inline void G4ePairProduction::SetLowestKineticEnergy(G4double e)
0095 {
0096   lowestKinEnergy = e;
0097 }
0098
0099 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0100
0101 #endif