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 // 00027 // $Id$ 00028 // 00029 // Hadronic Process: Nuclear De-excitations 00030 // by V. Lara (Oct 1998) 00031 // 00032 // J.M.Quesada (July 2009): fission level density parameter tuned for spallation data. 00033 // V.Ivanchenko (July 2009): fixed logic and remove wrong usage of MeV 00034 // J.M.Quesada (30.10.09): retuning for IAEA spallation data 00035 00036 #include "G4FissionLevelDensityParameter.hh" 00037 #include "G4HadronicException.hh" 00038 00039 00040 G4FissionLevelDensityParameter::G4FissionLevelDensityParameter() 00041 {} 00042 00043 G4FissionLevelDensityParameter::~G4FissionLevelDensityParameter() 00044 {} 00045 00046 00047 G4double G4FissionLevelDensityParameter:: 00048 LevelDensityParameter(G4int A, G4int Z, G4double U) const 00049 { 00050 G4double EvapLDP = 00051 theEvaporationLevelDensityParameter.LevelDensityParameter(A,Z,U); 00052 00053 if(Z >= 89) { EvapLDP *= 1.02; } 00054 else if(Z >= 85) { EvapLDP *= (1.02 + 0.004*(89 - Z)); } 00055 else { EvapLDP *= 1.04; } 00056 00057 /* 00058 if(Z >= 89) { EvapLDP *= 1.01; } 00059 else if(Z >= 85) { EvapLDP *= (1.01 + 0.002*(89 - Z)); } 00060 else { EvapLDP *= 1.02; } 00061 */ 00062 return EvapLDP; 00063 00064 /* 00065 if(Z >= 89) EvapLDP *= 1.04; 00066 else if(Z >= 85) EvapLDP *= (1.04 + 0.01*(89 - Z)); 00067 else EvapLDP *= 1.09; 00068 00069 //JMQ 310509 00070 return 1.07*EvapLDP; 00071 */ 00072 }