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 // ---------------- G4QIonIonElastic header ---------------- 00029 // by Mikhail Kossov, December 2006. 00030 // Header of G4QIonIonElastic class (A+A) of the CHIPS Simulation Branch in GEANT4 00031 // ------------------------------------------------------------------------------- 00032 // This is a unique CHIPS class for the Ion-Ion Elastic Scattering Prosesses 00033 // ------------------------------------------------------------------------------- 00034 // @@ This class is on the testing level @@ 00035 // ------------------------------------------------------------------------------- 00036 // Short description: a simple process for the Ion-Ion elastic scattering. 00037 // For heavy by heavy ions it can reach 50% of the total cross-section. 00038 // ----------------------------------------------------------------------- 00039 00040 #ifndef G4QIonIonElastic_hh 00041 #define G4QIonIonElastic_hh 00042 00043 // GEANT4 Headers 00044 #include "globals.hh" 00045 #include "G4ios.hh" 00046 #include "Randomize.hh" 00047 #include "G4VDiscreteProcess.hh" 00048 #include "G4Track.hh" 00049 #include "G4Step.hh" 00050 #include "G4ParticleTypes.hh" 00051 #include "G4VParticleChange.hh" 00052 #include "G4ParticleDefinition.hh" 00053 #include "G4DynamicParticle.hh" 00054 #include "G4ThreeVector.hh" 00055 #include "G4LorentzVector.hh" 00056 00057 // CHIPS Headers 00058 #include "G4QIonIonCrossSection.hh" 00059 #include "G4QProtonElasticCrossSection.hh" 00060 #include "G4QNeutronElasticCrossSection.hh" 00061 #include "G4QIsotope.hh" 00062 #include "G4QCHIPSWorld.hh" 00063 #include "G4QHadron.hh" 00064 #include <vector> 00065 00066 class G4QIonIonElastic : public G4VDiscreteProcess 00067 { 00068 public: 00069 00070 // Constructor 00071 G4QIonIonElastic(const G4String& processName ="CHIPS_IonIonElasticScattering"); 00072 00073 // Destructor 00074 ~G4QIonIonElastic(); 00075 00076 G4bool IsApplicable(const G4ParticleDefinition& particle); 00077 00078 G4double GetMeanFreePath(const G4Track& aTrack, G4double previousStepSize, 00079 G4ForceCondition* condition); 00080 // It returns the MeanFreePath of the process for the current track : 00081 // (energy, material) 00082 // The previousStepSize and G4ForceCondition* are not used. 00083 // This function overloads a virtual function of the base class. 00084 // It is invoked by the ProcessManager of the Particle. 00085 00086 00087 G4VParticleChange* PostStepDoIt(const G4Track& aTrack, const G4Step& aStep); 00088 // It computes the final state of the process (at end of step), 00089 // returned as a ParticleChange object. 00090 // This function overloads a virtual function of the base class. 00091 // It is invoked by the ProcessManager of the Particle. 00092 00093 00094 G4LorentzVector GetEnegryMomentumConservation(){return EnMomConservation;} 00095 00096 G4int GetNumberOfNeutronsInTarget(){return nOfNeutrons;} 00097 00098 private: 00099 00100 // Hide assignment operator as private 00101 G4QIonIonElastic& operator=(const G4QIonIonElastic &right); 00102 00103 // Copy constructor 00104 G4QIonIonElastic(const G4QIonIonElastic&); 00105 00106 // BODY 00107 // Static Parameters -------------------------------------------------------------------- 00108 static G4int nPartCWorld; // The#of particles for hadronization (limit of A of fragm.) 00109 //--------------------------------- End of static parameters --------------------------- 00110 // Working parameters 00111 G4VQCrossSection* theCS; 00112 G4LorentzVector EnMomConservation; // Residual of Energy/Momentum Cons. 00113 G4int nOfNeutrons; // #of neutrons in the target nucleus 00114 00115 // Modifires for the reaction 00116 G4double Time; // Time shift of the capture reaction 00117 G4double EnergyDeposition; // Energy deposited in the reaction 00118 static std::vector <G4int> ElementZ; // Z of the element(i) in theLastCalc 00119 static std::vector <G4double> ElProbInMat; // SumProbabilityElements in Material 00120 static std::vector <std::vector<G4int>*> ElIsoN; // N of isotope(j) of Element(i) 00121 static std::vector <std::vector<G4double>*> IsoProbInEl;// SumProbabIsotopes in Element i 00122 }; 00123 #endif 00124