1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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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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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // |
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28 | // Hadronic Process: Nuclear De-excitations |
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29 | // by V. Lara (Sept 2001) |
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30 | // |
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31 | |
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32 | |
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33 | |
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34 | #ifndef G4GEMProbability_h |
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35 | #define G4GEMProbability_h 1 |
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36 | |
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37 | |
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38 | #include "G4VEmissionProbability.hh" |
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39 | #include "G4VLevelDensityParameter.hh" |
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40 | #include "G4EvaporationLevelDensityParameter.hh" |
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41 | #include "G4VCoulombBarrier.hh" |
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42 | #include "G4PairingCorrection.hh" |
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43 | |
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44 | class G4GEMProbability : public G4VEmissionProbability |
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45 | { |
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46 | public: |
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47 | // Only available constructor |
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48 | G4GEMProbability(const G4int anA, const G4int aZ, const G4double aSpin) : |
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49 | theA(anA), theZ(aZ), Spin(aSpin), theCoulombBarrierPtr(0), |
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50 | ExcitationEnergies(0), ExcitationSpins(0), ExcitationLifetimes(0), Normalization(1.0) |
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51 | { |
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52 | theEvapLDPptr = new G4EvaporationLevelDensityParameter; |
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53 | } |
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54 | |
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55 | ~G4GEMProbability() |
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56 | { |
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57 | if (theEvapLDPptr != 0) delete theEvapLDPptr; |
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58 | } |
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59 | |
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60 | |
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61 | |
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62 | G4double GetZ(void) const { return theZ; } |
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63 | |
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64 | G4double GetA(void) const { return theA;} |
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65 | |
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66 | G4double GetSpin(void) const { return Spin; } |
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67 | |
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68 | G4double GetNormalization(void) const { return Normalization; } |
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69 | |
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70 | void SetCoulomBarrier(const G4VCoulombBarrier * aCoulombBarrierStrategy) |
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71 | { |
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72 | theCoulombBarrierPtr = aCoulombBarrierStrategy; |
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73 | } |
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74 | |
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75 | G4double GetCoulombBarrier(const G4Fragment& fragment) const |
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76 | { |
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77 | if (theCoulombBarrierPtr) |
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78 | { |
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79 | G4int Acompound = static_cast<G4int>(fragment.GetA()); |
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80 | G4int Zcompound = static_cast<G4int>(fragment.GetZ()); |
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81 | return theCoulombBarrierPtr->GetCoulombBarrier(Acompound-theA, Zcompound-theZ, |
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82 | fragment.GetExcitationEnergy()- |
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83 | G4PairingCorrection::GetInstance()-> |
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84 | GetPairingCorrection(Acompound,Zcompound)); |
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85 | } |
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86 | else |
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87 | { |
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88 | return 0.0; |
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89 | } |
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90 | } |
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91 | |
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92 | |
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93 | virtual G4double CalcAlphaParam(const G4Fragment & ) const {return 1.0;} |
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94 | virtual G4double CalcBetaParam(const G4Fragment & ) const {return 1.0;} |
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95 | |
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96 | protected: |
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97 | |
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98 | void SetExcitationEnergiesPtr(std::vector<G4double> * anExcitationEnergiesPtr) |
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99 | { |
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100 | ExcitationEnergies = anExcitationEnergiesPtr; |
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101 | } |
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102 | |
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103 | void SetExcitationSpinsPtr(std::vector<G4double> * anExcitationSpinsPtr) |
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104 | { |
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105 | ExcitationSpins = anExcitationSpinsPtr; |
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106 | } |
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107 | |
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108 | void SetExcitationLifetimesPtr(std::vector<G4double> * anExcitationLifetimesPtr) |
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109 | { |
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110 | ExcitationLifetimes = anExcitationLifetimesPtr; |
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111 | } |
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112 | |
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113 | void SetCoulombBarrierStrategy(G4VCoulombBarrier * aCoulombBarrier) |
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114 | { |
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115 | theCoulombBarrierPtr = aCoulombBarrier; |
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116 | } |
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117 | |
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118 | |
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119 | // Default constructor |
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120 | G4GEMProbability() {} |
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121 | private: |
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122 | // Copy constructor |
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123 | G4GEMProbability(const G4GEMProbability &right); |
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124 | |
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125 | const G4GEMProbability & operator=(const G4GEMProbability &right); |
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126 | G4bool operator==(const G4GEMProbability &right) const; |
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127 | G4bool operator!=(const G4GEMProbability &right) const; |
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128 | |
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129 | public: |
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130 | G4double EmissionProbability(const G4Fragment & fragment, const G4double anEnergy); |
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131 | |
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132 | private: |
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133 | |
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134 | G4double CalcProbability(const G4Fragment & fragment, const G4double MaximalKineticEnergy, |
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135 | const G4double V); |
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136 | virtual G4double CCoeficient(const G4double ) const {return 0.0;}; |
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137 | |
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138 | |
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139 | G4double I0(const G4double t); |
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140 | G4double I1(const G4double t, const G4double tx); |
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141 | G4double I2(const G4double s, const G4double sx); |
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142 | G4double I3(const G4double s, const G4double sx); |
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143 | |
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144 | // Data Members |
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145 | |
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146 | G4VLevelDensityParameter * theEvapLDPptr; |
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147 | |
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148 | G4int theA; |
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149 | G4int theZ; |
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150 | |
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151 | // Spin is fragment spin |
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152 | G4double Spin; |
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153 | |
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154 | // Coulomb Barrier |
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155 | const G4VCoulombBarrier * theCoulombBarrierPtr; |
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156 | |
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157 | |
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158 | // Resonances Energy |
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159 | std::vector<G4double> * ExcitationEnergies; |
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160 | |
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161 | // Resonances Spin |
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162 | std::vector<G4double> * ExcitationSpins; |
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163 | |
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164 | // Resonances half lifetime |
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165 | std::vector<G4double> * ExcitationLifetimes; |
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166 | |
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167 | |
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168 | // Normalization |
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169 | G4double Normalization; |
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170 | |
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171 | }; |
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172 | |
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173 | |
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174 | #endif |
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