include/Geant4/G4EvaporationProbability.hh

0001 //
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0024 // ********************************************************************
0025 //
0026 //
0027 //J.M. Quesada (August2008). Based on:
0028 //
0029 // Hadronic Process: Nuclear De-excitations
0030 // by V. Lara (Oct 1998)
0031 //
0032 // V.Ivanchenko general clean-up since 2010
0033 //
0034 #ifndef G4EvaporationProbability_h
0035 #define G4EvaporationProbability_h 1
0036
0037 #include "G4VEmissionProbability.hh"
0038
0039 class G4VCoulombBarrier;
0040
0041 class G4EvaporationProbability : public G4VEmissionProbability
0042 {
0043 public:
0044
0045   explicit G4EvaporationProbability(G4int anA, G4int aZ,
0046                                     G4double aGamma);
0047
0048   ~G4EvaporationProbability() override = default;
0049
0050   // general method used for evaporation
0051   virtual G4double TotalProbability(const G4Fragment& fragment,
0052                                     G4double minKinEnergy,
0053                         G4double maxKinEnergy,
0054                         G4double CB, G4double exEnergy);
0055
0056   // main method to compute full probability for OPTx > 2
0057   G4double ComputeProbability(G4double K, G4double CB) override;
0058
0059   G4double CrossSection(G4double K, G4double CB);
0060
0061   // Copy constructor
0062   G4EvaporationProbability(const G4EvaporationProbability &right) = delete;
0063   const G4EvaporationProbability & operator=
0064   (const G4EvaporationProbability &right) = delete;
0065   G4bool operator==(const G4EvaporationProbability &right) const = delete;
0066   G4bool operator!=(const G4EvaporationProbability &right) const = delete;
0067
0068 protected:
0069
0070   virtual G4double CalcAlphaParam(const G4Fragment& fragment);
0071
0072   virtual G4double CalcBetaParam(const G4Fragment& fragment);
0073
0074 private:
0075
0076   G4double resA13;
0077   G4double lastA;
0078   G4double muu;
0079   G4double freeU;
0080   G4double a0;
0081   G4double delta1;
0082
0083   // Gamma is A_f(2S_f+1) factor, where A_f is fragment atomic
0084   // number and S_f is fragment spin
0085   G4double fGamma;
0086   G4double pcoeff;
0087
0088   G4int index;
0089 };
0090
0091 #endif