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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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9 | // * include a list of copyright holders. * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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18 | // * This code implementation is the result of the scientific and * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4CameronGilbertPairingCorrections.hh,v 1.5 2009/03/04 11:05:02 gcosmo Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03-ref-09 $ |
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29 | // |
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30 | // Hadronic Process: Nuclear De-excitations |
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31 | // by V. Lara |
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32 | |
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33 | |
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34 | #ifndef G4CameronGilbertPairingCorrections_h |
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35 | #define G4CameronGilbertPairingCorrections_h 1 |
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36 | |
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37 | #include "globals.hh" |
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38 | |
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39 | |
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40 | //#define verbose 1 |
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41 | |
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42 | class G4CameronGilbertPairingCorrections |
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43 | { |
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44 | private: |
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45 | // Dummy constructor |
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46 | G4CameronGilbertPairingCorrections(); |
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47 | |
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48 | static G4CameronGilbertPairingCorrections* theInstance; |
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49 | |
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50 | |
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51 | public: |
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52 | static G4CameronGilbertPairingCorrections* GetInstance(); |
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53 | |
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54 | ~G4CameronGilbertPairingCorrections(); |
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55 | |
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56 | G4double GetPairingCorrection(const G4int A, const G4int Z) const |
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57 | { |
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58 | return GetPairingZ(Z) + GetPairingN(A-Z); |
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59 | } |
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60 | |
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61 | G4double GetPairingZ(const G4int Z) const |
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62 | { |
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63 | if (IsInTableThisZ(Z)) return PairingZTable[Z-ZTableMin]*MeV; |
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64 | else { |
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65 | #ifdef verbose |
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66 | G4cerr << "G4CameronGilbertPairingCorrections: out of table for Z = " << Z << G4endl; |
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67 | #endif |
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68 | return 0.0; |
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69 | } |
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70 | } |
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71 | |
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72 | G4bool IsInTableThisZ(const G4int Z) const |
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73 | { |
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74 | if ( Z >= ZTableMin && Z <= ZTableMax ) return true; |
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75 | else return false; |
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76 | } |
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77 | |
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78 | |
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79 | G4double GetPairingN(const G4int N) const |
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80 | { |
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81 | if (IsInTableThisN(N)) return PairingNTable[N-NTableMin]*MeV; |
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82 | else { |
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83 | #ifdef verbose |
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84 | G4cerr << "G4CameronGilbertPairingCorrections: out of table for N = " << N << G4endl; |
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85 | #endif |
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86 | return 0.0; |
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87 | } |
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88 | } |
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89 | |
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90 | G4bool IsInTableThisN(const G4int N) const |
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91 | { |
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92 | if ( N >= NTableMin && N <= NTableMax ) return true; |
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93 | else return false; |
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94 | } |
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95 | |
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96 | |
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97 | enum { ZTableSize = 88, NTableSize = 140, ZTableMin = 11, ZTableMax = 98, |
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98 | NTableMin = 11, NTableMax = 150 }; |
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99 | |
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100 | private: |
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101 | |
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102 | |
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103 | |
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104 | static const G4double PairingZTable[ZTableSize]; |
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105 | |
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106 | static const G4double PairingNTable[NTableSize]; |
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107 | |
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108 | }; |
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109 | #endif |
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