include/Geant4/G4FermiUnstableFragment.hh

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0025 //
0026 //
0027 // G4FermiBreakUpAN alternative FermiBreakUp model
0028 // by A. Novikov (January 2025)
0029 //
0030
0031 #ifndef G4FERMIUNSTABLEFRAGMENT_HH
0032 #define G4FERMIUNSTABLEFRAGMENT_HH
0033
0034 #include "G4VFermiFragmentAN.hh"
0035
0036 class G4FermiUnstableFragment : public G4VFermiFragmentAN
0037 {
0038   public:
0039     G4FermiUnstableFragment(G4FermiAtomicMass atomicMass, G4FermiChargeNumber chargeNumber,
0040                             G4int polarization, G4double excitationEnergy,
0041                             std::vector<G4FermiNucleiData>&& decayData);
0042
0043     void AppendDecayFragments(const G4LorentzVector& momentum,
0044                               std::vector<G4FermiParticle>& particles) const override;
0045
0046   private:
0047     void DoInitialize() override;
0048
0049     std::vector<G4FermiNucleiData> decayData_;
0050
0051     std::vector<G4double> masses_;
0052 };
0053
0054 #define FERMI_ADD_UNSTABLE_FRAGMENT(NAME, FRAGMENTS)                                         \
0055   inline G4FermiUnstableFragment NAME(G4FermiAtomicMass atomicMass,                          \
0056                                       G4FermiChargeNumber chargeNumber, G4int polarization,  \
0057                                       G4double excitationEnergy)                             \
0058   {                                                                                          \
0059     return G4FermiUnstableFragment(atomicMass, chargeNumber, polarization, excitationEnergy, \
0060                                    FRAGMENTS);                                               \
0061   }
0062
0063 // He5 ----> alpha + neutron
0064 FERMI_ADD_UNSTABLE_FRAGMENT(He5Fragment, std::vector<G4FermiNucleiData>({
0065                                            G4FermiNucleiData{4_m, 2_c},
0066                                            G4FermiNucleiData{1_m, 0_c},
0067                                          }))
0068
0069 // B9 ----> alpha + alpha + proton
0070 FERMI_ADD_UNSTABLE_FRAGMENT(B9Fragment, std::vector<G4FermiNucleiData>({
0071                                           G4FermiNucleiData{4_m, 2_c},
0072                                           G4FermiNucleiData{4_m, 2_c},
0073                                           G4FermiNucleiData{1_m, 1_c},
0074                                         }))
0075
0076 // Be8 ----> alpha + alpha
0077 FERMI_ADD_UNSTABLE_FRAGMENT(Be8Fragment, std::vector<G4FermiNucleiData>({
0078                                            G4FermiNucleiData{4_m, 2_c},
0079                                            G4FermiNucleiData{4_m, 2_c},
0080                                          }))
0081
0082 // Li5 ----> alpha + proton
0083 FERMI_ADD_UNSTABLE_FRAGMENT(Li5Fragment, std::vector<G4FermiNucleiData>({
0084                                            G4FermiNucleiData{4_m, 2_c},
0085                                            G4FermiNucleiData{1_m, 1_c},
0086                                          }))
0087
0088 #undef FERMI_ADD_UNSTABLE_FRAGMENT
0089
0090 #endif  // G4FERMIUNSTABLEFRAGMENT_HH