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 class G4InterfaceToXS;
0041
0042 class G4EvaporationProbability : public G4VEmissionProbability
0043 {
0044 public:
0045
0046   explicit G4EvaporationProbability(G4int anA, G4int aZ,
0047                                     G4double aGamma);
0048
0049   ~G4EvaporationProbability() override;
0050
0051   // general method used for evaporation
0052   virtual G4double TotalProbability(const G4Fragment& fragment,
0053                                     G4double minKinEnergy,
0054                         G4double maxKinEnergy,
0055                         G4double CB, G4double exEnergy);
0056
0057   // main method to compute full probability for OPTx > 2
0058   G4double ComputeProbability(G4double K, G4double CB) override;
0059
0060   G4double CrossSection(G4double K, G4double CB);
0061
0062   G4double RecentXS() const { return recentXS; };
0063
0064   // Copy constructor
0065   G4EvaporationProbability(const G4EvaporationProbability &right) = delete;
0066   const G4EvaporationProbability & operator=
0067   (const G4EvaporationProbability &right) = delete;
0068   G4bool operator==(const G4EvaporationProbability &right) const = delete;
0069   G4bool operator!=(const G4EvaporationProbability &right) const = delete;
0070
0071 protected:
0072
0073   virtual G4double CalcAlphaParam(const G4Fragment& fragment);
0074
0075   virtual G4double CalcBetaParam(const G4Fragment& fragment);
0076
0077 private:
0078
0079   G4double resA13;
0080   G4double lastA;
0081   G4double muu;
0082   G4double freeU;
0083   G4double a0;
0084   G4double a1;
0085   G4double delta0;
0086   G4double delta1;
0087
0088   // Gamma is A_f(2S_f+1) factor, where A_f is fragment atomic
0089   // number and S_f is fragment spin
0090   G4double fGamma;
0091   G4double pcoeff;
0092   G4double recentXS{0.0};
0093
0094   G4InterfaceToXS* fXSection{nullptr};
0095   G4int index{0};
0096 };
0097
0098 #endif