include/Geant4/G4VRestContinuousProcess.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 // G4VRestContinuousProcess
0027 //
0028 // Class description:
0029 //
0030 // Abstract class which defines the public behavior of
0031 // discrete physics interactions.
0032
0033 // Authors:
0034 // - 2 December 1995, G.Cosmo - First implementation, based on object model
0035 // - 8 January 1997, H.Kurashige - New Physics scheme
0036 // --------------------------------------------------------------------
0037 #ifndef G4VRestContinuousProcess_hh
0038 #define G4VRestContinuousProcess_hh 1
0039
0040 #include "globals.hh"
0041 #include "G4ios.hh"
0042
0043 #include "G4VProcess.hh"
0044
0045 class G4VRestContinuousProcess : public G4VProcess
0046 {
0047   public:
0048
0049     G4VRestContinuousProcess(const G4String& ,
0050                              G4ProcessType aType = fNotDefined);
0051     G4VRestContinuousProcess(G4VRestContinuousProcess &);
0052
0053     virtual ~G4VRestContinuousProcess();
0054
0055     G4VRestContinuousProcess& operator=(const G4VRestContinuousProcess&) = delete;
0056
0057     virtual G4double AtRestGetPhysicalInteractionLength(
0058                              const G4Track& ,
0059                              G4ForceCondition*
0060                             );
0061
0062     virtual G4VParticleChange* AtRestDoIt(
0063                              const G4Track& ,
0064                              const G4Step&
0065                             );
0066
0067     virtual G4double AlongStepGetPhysicalInteractionLength(
0068                              const G4Track& track,
0069                              G4double previousStepSize,
0070                              G4double currentMinimumStep,
0071                              G4double& currentSafety,
0072                              G4GPILSelection* selection
0073                             );
0074
0075     virtual G4VParticleChange* AlongStepDoIt(
0076                              const G4Track& ,
0077                              const G4Step&
0078                             );
0079
0080     virtual G4double PostStepGetPhysicalInteractionLength(
0081                              const G4Track& ,
0082                              G4double ,
0083                              G4ForceCondition*
0084                             ) { return -1.0; }
0085       // No operation in  PostStepDoIt
0086
0087     virtual G4VParticleChange* PostStepDoIt(
0088                              const G4Track& ,
0089                              const G4Step&
0090                             ) { return 0; }
0091       // No operation in PostStepDoIt
0092
0093   protected:
0094
0095     virtual G4double GetContinuousStepLimit(const G4Track& aTrack,
0096                                             G4double  previousStepSize,
0097                                             G4double currentMinimumStep,
0098                                             G4double& currentSafety) = 0;
0099       // This pure virtual function is used to calculate step limit
0100       // for AlongStep in the derived processes
0101
0102     virtual G4double GetMeanLifeTime(const G4Track& aTrack,
0103                                      G4ForceCondition* condition) = 0;
0104       // Calculates the mean life-time (i.e. for decays) of the
0105       // particle at rest due to the occurrence of the given process, or
0106       // converts the probability of interaction (i.e. for annihilation) into
0107       // the life-time of the particle for the occurrence of the given process
0108
0109     inline void SetGPILSelection(G4GPILSelection selection)
0110       { valueGPILSelection = selection; }
0111
0112     inline G4GPILSelection GetGPILSelection() const
0113       { return valueGPILSelection; }
0114
0115
0116   private:
0117
0118     G4VRestContinuousProcess();
0119       // Hidden default constructor
0120
0121     G4GPILSelection valueGPILSelection = CandidateForSelection;
0122       // This is the returned value of  G4GPILSelection in
0123       // the arguments of AlongStepGPIL()
0124 };
0125
0126 #endif