Geant4 Cross Reference |
1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // 27 // 28 // Hadronic Process: Nuclear De-excitations 29 // by D. Mancusi (6th October 2014) 30 // 31 32 #include "G4FissionLevelDensityParameterINCLXX.hh" 33 #include "G4NuclearLevelData.hh" 34 35 G4FissionLevelDensityParameterINCLXX::G4FissionLevelDensityParameterINCLXX() : 36 afanLow(1.03), 37 afanHigh(1.05), 38 ZLow(84), 39 ZHigh(89) 40 { 41 UpdateAfanSlope(); 42 fNucData = G4NuclearLevelData::GetInstance(); 43 } 44 45 G4FissionLevelDensityParameterINCLXX::~G4FissionLevelDensityParameterINCLXX() 46 {} 47 48 G4double G4FissionLevelDensityParameterINCLXX:: 49 LevelDensityParameter(G4int A, G4int Z, G4double U) const 50 { 51 G4double EvapLDP = fNucData->GetLevelDensity(Z, A, U); 52 53 if(Z >= ZHigh) { EvapLDP *= afanHigh; } 54 else if(Z <= ZLow) { EvapLDP *= afanLow; } 55 else { EvapLDP *= (afanLow + afanSlope*(Z-ZLow)); } 56 57 return EvapLDP; 58 59 } 60 61 void G4FissionLevelDensityParameterINCLXX::UpdateAfanSlope() { 62 if(ZHigh!=ZLow) 63 afanSlope = (afanHigh-afanLow)/((G4double)(ZHigh-ZLow)); 64 else 65 afanSlope = 0.; 66 } 67