00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // $Id$ 00027 // 00028 //J.M. Quesada (August2008). Based on: 00029 // 00030 // Hadronic Process: Nuclear De-excitations 00031 // by V. Lara (Oct 1998) 00032 // 00033 #ifndef G4EvaporationProbability_h 00034 #define G4EvaporationProbability_h 1 00035 00036 00037 #include "G4VEmissionProbability.hh" 00038 #include "G4VLevelDensityParameter.hh" 00039 #include "G4EvaporationLevelDensityParameter.hh" 00040 #include "G4VCoulombBarrier.hh" 00041 #include "G4CoulombBarrier.hh" 00042 00043 00044 class G4EvaporationProbability : public G4VEmissionProbability 00045 { 00046 public: 00047 // Only available constructor 00048 G4EvaporationProbability(G4int anA, G4int aZ, G4double aGamma, 00049 G4VCoulombBarrier * aCoulombBarrier); 00050 00051 virtual ~G4EvaporationProbability(); 00052 00053 inline G4int GetZ(void) const { return theZ; } 00054 00055 inline G4int GetA(void) const { return theA;} 00056 00057 protected: 00058 00059 // Default constructor 00060 G4EvaporationProbability(); 00061 00062 private: 00063 // Copy constructor 00064 G4EvaporationProbability(const G4EvaporationProbability &right); 00065 00066 const G4EvaporationProbability & operator=(const G4EvaporationProbability &right); 00067 G4bool operator==(const G4EvaporationProbability &right) const; 00068 G4bool operator!=(const G4EvaporationProbability &right) const; 00069 00070 public: 00071 00072 G4double ProbabilityDistributionFunction( const G4Fragment & aFragment, G4double K); 00073 00074 G4double EmissionProbability(const G4Fragment & fragment, G4double anEnergy); 00075 00076 private: 00077 00078 G4double CalculateProbability(const G4Fragment & fragment, G4double MaximalKineticEnergy ); 00079 00080 G4double IntegrateEmissionProbability(const G4Fragment & aFragment, 00081 const G4double & Low, const G4double & Up ); 00082 00083 protected: 00084 00085 virtual G4double CrossSection( const G4Fragment & fragment, G4double K )= 0; 00086 00087 virtual G4double CalcAlphaParam(const G4Fragment & fragment)=0 ; 00088 00089 virtual G4double CalcBetaParam(const G4Fragment & fragment)=0 ; 00090 00091 private: 00092 00093 // Data Members 00094 G4int theA; 00095 G4int theZ; 00096 00097 // Gamma is A_f(2S_f+1) factor, where A_f is fragment atomic 00098 // number and S_f is fragment spin 00099 G4double Gamma; 00100 00101 //The Coulomb Barrier 00102 G4VCoulombBarrier * theCoulombBarrierptr; 00103 00104 }; 00105 00106 #endif