Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/hadronic/models/pre_equilibrium/exciton_model/src/G4PreCompoundNeutron.cc

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 26 //
 27 // -------------------------------------------------------------------
 28 //
 29 // GEANT4 Class file
 30 //
 31 //
 32 // File name:     G4PreCompoundNeutron
 33 //
 34 // Author:         V.Lara
 35 //
 36 // Modified:  
 37 // 21.08.2008 J. M. Quesada add choice of options  
 38 // 10.02.2009 J. M. Quesada set default opt3
 39 // 20.08.2010 V.Ivanchenko added G4Pow and G4PreCompoundParameters pointers
 40 //                         use int Z and A and cleanup
 41 // 
 42 
 43 #include "G4PreCompoundNeutron.hh"
 44 #include "G4Neutron.hh"
 45 
 46 G4PreCompoundNeutron::G4PreCompoundNeutron()
 47   : G4PreCompoundNucleon(G4Neutron::Neutron())
 48 {}
 49 
 50 G4double G4PreCompoundNeutron::GetRj(G4int nParticles, G4int nCharged) const
 51 {
 52   G4double rj = 0.0;
 53   if(nParticles > 0) { 
 54     rj = static_cast<G4double>(nParticles - nCharged)/
 55       static_cast<G4double>(nParticles);
 56   }
 57   return rj;
 58 }
 59 
 60 G4double G4PreCompoundNeutron::GetAlpha() const
 61 {
 62   return 0.76+2.2/theResA13;
 63 }
 64 
 65 G4double G4PreCompoundNeutron::GetBeta() const
 66 {
 67   return (2.12/(theResA13*theResA13)-0.05)/GetAlpha(); // in MeV
 68 }
 69 
 70