G4QElastic.hh

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00025 //
00026 // $Id$
00027 //
00028 //      ---------------- G4QElastic header ----------------
00029 //                 by Mikhail Kossov, December 2003.
00030 //  Header of G4QElastic class (hadron+A) of the CHIPS Simulation Branch in GEANT4
00031 // -------------------------------------------------------------------------------
00032 // This is a unique CHIPS class for the Hadron-Nuclear Elastic Scattering Prosesses
00033 // -------------------------------------------------------------------------------
00034 // Short description: A process for CHIPS hadron-nucleus elastic scattering.
00035 // -------------------------------------------------------------------------------
00036 
00037 #ifndef G4QElastic_hh
00038 #define G4QElastic_hh
00039 
00040 // GEANT4 Headers
00041 #include "globals.hh"
00042 #include "G4ios.hh"
00043 #include "Randomize.hh" 
00044 #include "G4VDiscreteProcess.hh"
00045 #include "G4Track.hh"
00046 #include "G4Step.hh"
00047 #include "G4ParticleTypes.hh"
00048 #include "G4VParticleChange.hh"
00049 #include "G4ParticleDefinition.hh"
00050 #include "G4DynamicParticle.hh"
00051 #include "G4ThreeVector.hh"
00052 #include "G4LorentzVector.hh"
00053 
00054 // CHIPS Headers
00055 #include "G4QPionPlusElasticCrossSection.hh"
00056 #include "G4QPionMinusElasticCrossSection.hh"
00057 #include "G4QKaonPlusElasticCrossSection.hh"
00058 #include "G4QKaonMinusElasticCrossSection.hh"
00059 #include "G4QHyperonElasticCrossSection.hh"
00060 #include "G4QHyperonPlusElasticCrossSection.hh"
00061 #include "G4QProtonElasticCrossSection.hh"
00062 #include "G4QNeutronElasticCrossSection.hh"
00063 #include "G4QAntiBaryonElasticCrossSection.hh"
00064 #include "G4QIsotope.hh"
00065 #include "G4QCHIPSWorld.hh"
00066 #include "G4QHadron.hh"
00067 #include <vector>
00068 
00069 class G4QElastic : public G4VDiscreteProcess
00070 {
00071 public:
00072 
00073   // Constructor
00074   G4QElastic(const G4String& processName ="CHIPSElasticScattering");
00075 
00076   // Destructor
00077   ~G4QElastic();
00078 
00079   G4bool IsApplicable(const G4ParticleDefinition& particle);
00080 
00081   G4double GetMeanFreePath(const G4Track& aTrack, G4double previousStepSize,
00082                            G4ForceCondition* condition);
00083   // It returns the MeanFreePath of the process for the current track :
00084   // (energy, material)
00085   // The previousStepSize and G4ForceCondition* are not used.
00086   // This function overloads a virtual function of the base class.        
00087   // It is invoked by the ProcessManager of the Particle.
00088  
00089 
00090   G4VParticleChange* PostStepDoIt(const G4Track& aTrack, const G4Step& aStep); 
00091   // It computes the final state of the process (at end of step),
00092   // returned as a ParticleChange object.       
00093   // This function overloads a virtual function of the base class.
00094   // It is invoked by the ProcessManager of the Particle.
00095 
00096 
00097   G4LorentzVector GetEnegryMomentumConservation();
00098 
00099   G4int GetNumberOfNeutronsInTarget();
00100 
00101 private:
00102 
00103   // Hide assignment operator as private 
00104   G4QElastic& operator=(const G4QElastic &right);
00105 
00106   // Copy constructor
00107   G4QElastic(const G4QElastic&);
00108 
00109   // Calculate XS/t: oxs=true - only CS; xst=true - calculate XS, xst=false(oxs=f/t) - t/tm
00110   G4double CalculateXSt(G4bool oxs, G4bool xst, G4double p, G4int Z, G4int N, G4int pPDG);
00111 
00112   // BODY
00113   // Static Parameters --------------------------------------------------------------------
00114   static G4int    nPartCWorld; // The#of particles for hadronization (limit of A of fragm.)
00115   //--------------------------------- End of static parameters ---------------------------
00116   // Working parameters
00117   G4VQCrossSection* theCS;
00118   G4LorentzVector EnMomConservation;                  // Residual of Energy/Momentum Cons.
00119   G4int nOfNeutrons;                                  // #of neutrons in the target nucleus
00120 
00121   // Modifires for the reaction
00122   G4double Time;                                      // Time shift of the capture reaction
00123   G4double EnergyDeposition;                          // Energy deposited in the reaction
00124   static std::vector <G4int> ElementZ;                // Z of the element(i) in theLastCalc
00125   static std::vector <G4double> ElProbInMat;          // SumProbabilityElements in Material
00126   static std::vector <std::vector<G4int>*> ElIsoN;    // N of isotope(j) of Element(i)
00127   static std::vector <std::vector<G4double>*> IsoProbInEl;// SumProbabIsotopes in Element i
00128 };
00129 #endif

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