00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // $Id$ 00027 // 00028 // ---------------- G4QDiscProcessMixer header ---------------- 00029 // by Mikhail Kossov, Aug 2007. 00030 // Header of G4QDiscProcessMixer class of the CHIPS Simulation Branch in GEANT4 00031 // ----------------------------------------------------------------------------- 00032 // Short description: universal mixer of processes (NOT models as in GHAD!) 00033 // depending on the application energy region (defined by users). 00034 // ------------------------------------------------------------------------ 00035 00036 #ifndef G4QDiscProcessMixer_hh 00037 #define G4QDiscProcessMixer_hh 00038 00039 // GEANT4 Headers 00040 #include "globals.hh" 00041 #include "G4ios.hh" 00042 #include "Randomize.hh" 00043 #include "G4VDiscreteProcess.hh" 00044 #include "G4Track.hh" 00045 #include "G4Step.hh" 00046 #include "G4ParticleDefinition.hh" 00047 #include "G4Gamma.hh" 00048 #include "G4DynamicParticle.hh" 00049 #include "G4QDiscreteProcessVector.hh" 00050 00051 #include <vector> 00052 00053 class G4QDiscProcessMixer : public G4VDiscreteProcess 00054 { 00055 public: 00056 00057 // Constructor 00058 G4QDiscProcessMixer(const G4String& processName = "Mixed Discrete Process", 00059 const G4ParticleDefinition* proj = G4Gamma::Gamma(), 00060 G4ProcessType pType = fHadronic ); 00061 // Destructor 00062 ~G4QDiscProcessMixer(); 00063 00064 G4bool IsApplicable(const G4ParticleDefinition& particle); 00065 00066 G4double PostStepGetPhysicalInteractionLength(const G4Track& track, 00067 G4double previousStepSize, 00068 G4ForceCondition* condition); 00069 00070 G4double GetMeanFreePath(const G4Track& aTrack, G4double previousStepSize, 00071 G4ForceCondition* condition); 00072 00073 G4VParticleChange* PostStepDoIt(const G4Track& aTrack, const G4Step& aStep); 00074 00075 // DP is the name of the Discrete Process, MaxE is the maximum energy for this process 00076 // The processes must be defined, starting from high energy processes (MaxE decreasing) 00077 // The MaxE for the first (highest energy process) is always infinity (automatic) 00078 // The MinE = MaxE of the lower energy process (MinE=0 for the lowest energy process) 00079 00080 void AddDiscreteProcess(G4VDiscreteProcess* DP, G4double MaxE); 00081 00082 //G4LorentzVector GetEnegryMomentumConservation(); 00083 00084 //G4int GetNumberOfNeutronsInTarget(); 00085 00086 private: 00087 00088 // Hide assignment operator as private 00089 G4QDiscProcessMixer& operator=(const G4QDiscProcessMixer &right); 00090 00091 // Copy constructor 00092 G4QDiscProcessMixer(const G4QDiscProcessMixer& DPM); 00093 00094 // BODY 00095 const G4ParticleDefinition* DPParticle; // Particle for DiscreteProc mixture 00096 G4QDiscreteProcessVector theDPVector; // Vector of Discrete Processes 00097 //G4LorentzVector EnMomConservation; // Residual of Energy/Momentum Cons. 00098 //G4int nOfNeutrons; // #of neutrons in the target nucleus 00099 }; 00100 #endif