1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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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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16 | // * for the full disclaimer and the limitation of liability. * |
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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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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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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 | // GEANT 4 class file |
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29 | // |
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30 | // CERN, Geneva, Switzerland |
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31 | // |
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32 | // File name: G4ContinuumGammaDeexcitation |
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33 | // |
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34 | // Authors: Carlo Dallapiccola (dallapiccola@umdhep.umd.edu) |
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35 | // Maria Grazia Pia (pia@genova.infn.it) |
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36 | // |
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37 | // Creation date: 23 October 1998 |
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38 | // |
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39 | // Modifications: |
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40 | // |
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41 | // 02 May 2003, Vladimir Ivanchenko change interface to G4NuclearlevelManager |
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42 | // |
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43 | // ------------------------------------------------------------------- |
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44 | // |
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45 | // Class G4ContinuumGammaDeexcitation.cc |
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46 | // |
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47 | // Concrete class derived from G4VGammaDeexcitation |
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48 | // |
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49 | // |
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50 | #include "G4ContinuumGammaDeexcitation.hh" |
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51 | |
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52 | #include "G4Gamma.hh" |
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53 | #include "G4ContinuumGammaTransition.hh" |
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54 | #include "G4NuclearLevelManager.hh" |
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55 | #include "G4NuclearLevelStore.hh" |
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56 | #include "G4Fragment.hh" |
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57 | #include "G4ConstantLevelDensityParameter.hh" |
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58 | |
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59 | // |
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60 | // Constructor |
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61 | // |
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62 | |
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63 | G4ContinuumGammaDeexcitation::G4ContinuumGammaDeexcitation(): _nucleusZ(0), _nucleusA(0), _levelManager(0) |
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64 | { } |
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65 | |
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66 | |
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67 | G4ContinuumGammaDeexcitation::~G4ContinuumGammaDeexcitation() |
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68 | { } |
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69 | |
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70 | |
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71 | G4VGammaTransition* G4ContinuumGammaDeexcitation::CreateTransition() |
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72 | { |
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73 | G4Fragment nucleus = GetNucleus(); |
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74 | G4int Z = static_cast<G4int>(nucleus.GetZ()); |
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75 | G4int A = static_cast<G4int>(nucleus.GetA()); |
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76 | G4double excitation = nucleus.GetExcitationEnergy(); |
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77 | |
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78 | if (_nucleusA != A || _nucleusZ != Z) |
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79 | { |
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80 | _levelManager = G4NuclearLevelStore::GetInstance()->GetManager(Z,A); |
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81 | _nucleusA = A; |
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82 | _nucleusZ = Z; |
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83 | } |
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84 | |
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85 | if (_verbose > 1) |
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86 | G4cout << "G4ContinuumGammaDeexcitation::CreateTransition - Created" << G4endl; |
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87 | |
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88 | G4VGammaTransition* gt = new G4ContinuumGammaTransition(_levelManager,Z,A,excitation,_verbose ); |
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89 | |
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90 | return gt; |
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91 | } |
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92 | |
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93 | |
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94 | G4bool G4ContinuumGammaDeexcitation::CanDoTransition() const |
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95 | { |
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96 | G4bool canDo = true; |
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97 | |
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98 | if (_transition == 0) |
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99 | { |
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100 | canDo = false; |
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101 | |
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102 | if (_verbose > 0) |
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103 | G4cout |
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104 | << "G4ContinuumGammaDeexcitation::CanDoTransition - Null transition " |
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105 | << G4endl; |
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106 | } |
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107 | |
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108 | G4Fragment nucleus = GetNucleus(); |
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109 | G4double excitation = nucleus.GetExcitationEnergy(); |
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110 | |
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111 | G4double A = nucleus.GetA(); |
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112 | G4double Z = nucleus.GetZ(); |
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113 | if (A <2 || Z<3) |
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114 | { |
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115 | canDo = false; |
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116 | if (_verbose > 0) |
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117 | G4cout |
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118 | << "G4ContinuumGammaDeexcitation::CanDoTransition - n/p/H" |
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119 | << G4endl; |
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120 | } |
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121 | |
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122 | |
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123 | |
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124 | if (excitation <= 0.) |
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125 | { |
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126 | canDo = false; |
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127 | if (_verbose > 0) |
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128 | G4cout |
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129 | << "G4ContinuumGammaDeexcitation::CanDoTransition - Excitation <= 0" |
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130 | << G4endl; |
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131 | } |
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132 | G4double tolerance = 10*eV; |
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133 | if (excitation <= (_levelManager->MaxLevelEnergy()+ tolerance)) |
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134 | { |
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135 | canDo = false; |
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136 | if (_verbose > 0) |
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137 | G4cout << "G4ContinuumGammaDeexcitation::CanDoTransition - Excitation " |
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138 | << excitation << " below max discrete level " |
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139 | << _levelManager->MaxLevelEnergy() << G4endl; |
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140 | } |
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141 | |
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142 | if (canDo) |
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143 | { if (_verbose > 1) |
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144 | G4cout <<"G4ContinuumGammaDeexcitation::CanDoTransition - CanDo" |
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145 | << G4endl; |
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146 | } |
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147 | |
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148 | return canDo; |
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149 | |
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150 | } |
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151 | |
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152 | |
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153 | |
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