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 00031 00032 00033 #ifndef G4CookPairingCorrections_h 00034 #define G4CookPairingCorrections_h 1 00035 00036 #include <CLHEP/Units/SystemOfUnits.h> 00037 00038 #include "globals.hh" 00039 00040 //#define verbose 1 00041 00042 class G4CookPairingCorrections 00043 { 00044 private: 00045 G4CookPairingCorrections(); 00046 00047 static G4CookPairingCorrections* theInstance; 00048 00049 00050 public: 00051 static G4CookPairingCorrections* GetInstance(); 00052 00053 ~G4CookPairingCorrections(); 00054 00055 G4double GetParingCorrection(G4int A, G4int Z) const { 00056 return GetPairingZ(Z) + GetPairingN(A-Z); 00057 } 00058 00059 00060 G4double GetPairingZ(G4int Z) const { 00061 if ( this->IsInTableThisZ(Z) ) return PairingZTable[Z-ZTableMin]*CLHEP::MeV; 00062 else { 00063 #ifdef verbose 00064 G4cerr << "G4CookPairingCorrections: out of table for Z = " << Z << G4endl; 00065 #endif 00066 return 0.0; 00067 } 00068 } 00069 00070 G4bool IsInTableThisZ(const G4int Z) const { 00071 if ( Z >= ZTableMin && Z <= ZTableMax ) return true; 00072 else return false; 00073 } 00074 00075 G4double GetPairingN(const G4int N) const { 00076 if ( this->IsInTableThisN(N) ) return PairingNTable[N-NTableMin]*CLHEP::MeV; 00077 else { 00078 #ifdef verbose 00079 G4cerr << "G4CookPairingCorrections: out of table for N = " << N << G4endl; 00080 #endif 00081 return 0.0; 00082 } 00083 } 00084 00085 G4bool IsInTableThisN(const G4int N) const { 00086 if ( N >= NTableMin && N <= NTableMax ) return true; 00087 else return false; 00088 } 00089 00090 enum { ZTableSize = 68, NTableSize = 118, ZTableMin = 28, ZTableMax = 95, 00091 NTableMin = 33, NTableMax = 150 }; 00092 private: 00093 00094 00095 00096 static const G4double PairingZTable[ZTableSize]; 00097 00098 static const G4double PairingNTable[NTableSize]; 00099 00100 }; 00101 #endif