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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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 | // $Id: G4ExcitedXiConstructor.cc,v 1.8 2008/09/18 08:37:27 kurasige Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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29 | // |
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30 | // |
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31 | // -------------------------------------------------------------- |
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32 | // GEANT 4 class implementation file |
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33 | // |
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34 | // History: first implementation, based on object model of |
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35 | // 10 oct 1998 H.Kurashige |
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36 | // --------------------------------------------------------------- |
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37 | |
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38 | |
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39 | #include "G4ExcitedXiConstructor.hh" |
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40 | |
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41 | #include "G4ParticleDefinition.hh" |
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42 | #include "G4ParticleTable.hh" |
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43 | #include "G4ShortLivedTable.hh" |
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44 | #include "G4PhaseSpaceDecayChannel.hh" |
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45 | #include "G4VDecayChannel.hh" |
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46 | #include "G4DecayTable.hh" |
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47 | |
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48 | G4ExcitedXiConstructor::G4ExcitedXiConstructor(): |
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49 | G4ExcitedBaryonConstructor(NStates, XiIsoSpin) |
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50 | { |
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51 | |
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52 | } |
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53 | |
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54 | G4ExcitedXiConstructor::~G4ExcitedXiConstructor() |
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55 | { |
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56 | } |
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57 | |
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58 | G4DecayTable* G4ExcitedXiConstructor::CreateDecayTable( |
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59 | const G4String& parentName, |
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60 | G4int iIso3, |
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61 | G4int iState, |
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62 | G4bool fAnti) |
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63 | { |
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64 | |
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65 | // create decay table |
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66 | G4DecayTable* decayTable = new G4DecayTable(); |
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67 | |
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68 | G4double br; |
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69 | if ( (br=bRatio[iState][XiPi]) >0.0) { |
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70 | AddXiPiMode( decayTable, parentName, br, iIso3, fAnti); |
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71 | } |
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72 | |
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73 | if ( (br=bRatio[iState][XiGamma]) >0.0) { |
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74 | AddXiGammaMode( decayTable, parentName, br, iIso3, fAnti); |
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75 | } |
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76 | |
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77 | if ( (br=bRatio[iState][LambdaK]) >0.0) { |
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78 | AddLambdaKMode( decayTable, parentName, br, iIso3, fAnti); |
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79 | } |
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80 | |
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81 | if ( (br=bRatio[iState][SigmaK]) >0.0) { |
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82 | AddSigmaKMode( decayTable, parentName, br, iIso3, fAnti); |
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83 | } |
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84 | |
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85 | return decayTable; |
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86 | } |
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87 | |
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88 | G4DecayTable* G4ExcitedXiConstructor::AddXiGammaMode( |
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89 | G4DecayTable* decayTable, const G4String& nameParent, |
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90 | G4double br, G4int iIso3, G4bool fAnti) |
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91 | { |
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92 | G4VDecayChannel* mode; |
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93 | // |
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94 | G4String daughterH; |
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95 | if (iIso3== +1) { |
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96 | daughterH = "xi0"; |
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97 | } else if (iIso3==-1) { |
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98 | daughterH = "xi-"; |
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99 | } |
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100 | if (fAnti) daughterH = "anti_" + daughterH; |
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101 | |
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102 | // create decay channel [parent BR #daughters] |
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103 | mode = new G4PhaseSpaceDecayChannel(nameParent, br, 2, |
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104 | daughterH,"gamma"); |
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105 | // add decay table |
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106 | decayTable->Insert(mode); |
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107 | |
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108 | return decayTable; |
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109 | } |
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110 | |
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111 | G4DecayTable* G4ExcitedXiConstructor::AddLambdaKMode( |
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112 | G4DecayTable* decayTable, const G4String& nameParent, |
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113 | G4double br, G4int iIso3, G4bool fAnti) |
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114 | |
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115 | |
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116 | { |
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117 | G4VDecayChannel* mode; |
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118 | |
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119 | G4String lambda = "lambda"; |
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120 | G4String daughterK; |
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121 | G4double r = 0.; |
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122 | |
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123 | // ------------ Lambda K- ------------ |
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124 | // determine daughters |
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125 | if (iIso3 == +1) { |
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126 | if (!fAnti) { |
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127 | daughterK = "kaon0"; |
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128 | } else { |
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129 | daughterK = "anti_kaon0"; |
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130 | } |
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131 | r = br; |
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132 | } else if (iIso3 == -1) { |
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133 | if (!fAnti) { |
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134 | daughterK = "kaon-"; |
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135 | } else { |
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136 | daughterK = "kaon+"; |
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137 | } |
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138 | r = br; |
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139 | } |
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140 | if (fAnti) lambda = "anti_" + lambda; |
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141 | if (r>0.) { |
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142 | // create decay channel [parent BR #daughters] |
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143 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
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144 | lambda,daughterK); |
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145 | // add decay table |
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146 | decayTable->Insert(mode); |
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147 | } |
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148 | |
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149 | return decayTable; |
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150 | } |
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151 | |
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152 | G4DecayTable* G4ExcitedXiConstructor::AddSigmaKMode( |
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153 | G4DecayTable* decayTable, const G4String& nameParent, |
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154 | G4double br, G4int iIso3, G4bool fAnti) |
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155 | { |
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156 | G4VDecayChannel* mode; |
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157 | |
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158 | G4String daughterH; |
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159 | G4String daughterK; |
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160 | G4double r = 0.; |
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161 | |
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162 | // ------------ Sigma K- ------------ |
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163 | // determine daughters |
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164 | if (iIso3== +1) { |
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165 | daughterH = "sigma+"; |
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166 | r= br/2.; |
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167 | } else if (iIso3== -1) { |
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168 | daughterH = "sigma0"; |
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169 | r = br/2.; |
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170 | } |
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171 | if (!fAnti) { |
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172 | daughterK = "kaon-"; |
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173 | } else { |
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174 | daughterK = "kaon+"; |
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175 | } |
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176 | if (fAnti) daughterH = "anti_" + daughterH; |
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177 | if (r>0.) { |
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178 | // create decay channel [parent BR #daughters] |
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179 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
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180 | daughterH,daughterK); |
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181 | // add decay table |
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182 | decayTable->Insert(mode); |
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183 | } |
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184 | |
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185 | // ------------ Sigma K0 ------------ |
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186 | // determine daughters |
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187 | if (iIso3 == +1) { |
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188 | daughterH = "sigma0"; |
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189 | r= br/2.; |
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190 | } else if (iIso3 == -1) { |
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191 | daughterH = "sigma-"; |
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192 | r = br/2.; |
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193 | } |
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194 | if (!fAnti) { |
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195 | daughterK = "anti_kaon0"; |
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196 | } else { |
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197 | daughterK = "kaon0"; |
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198 | } |
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199 | if (fAnti) daughterH = "anti_" + daughterH; |
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200 | if (r>0.) { |
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201 | // create decay channel [parent BR #daughters] |
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202 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
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203 | daughterH,daughterK); |
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204 | // add decay table |
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205 | decayTable->Insert(mode); |
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206 | } |
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207 | |
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208 | return decayTable; |
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209 | } |
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210 | |
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211 | G4DecayTable* G4ExcitedXiConstructor::AddXiPiMode( |
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212 | G4DecayTable* decayTable, const G4String& nameParent, |
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213 | G4double br, G4int iIso3, G4bool fAnti) |
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214 | { |
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215 | G4VDecayChannel* mode; |
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216 | |
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217 | G4String daughterXi; |
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218 | G4String daughterPi; |
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219 | G4double r = 0.; |
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220 | |
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221 | // ------------ Xi pi- ------------ |
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222 | // determine daughters |
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223 | if (iIso3== +1) { |
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224 | r = 0.; |
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225 | } else if (iIso3 == -1) { |
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226 | daughterXi = "xi0"; |
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227 | r = br/2.; |
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228 | } |
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229 | if (!fAnti) { |
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230 | daughterPi = "pi-"; |
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231 | } else { |
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232 | daughterPi = "pi+"; |
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233 | } |
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234 | if (fAnti) daughterXi = "anti_" + daughterXi; |
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235 | if (r>0.) { |
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236 | // create decay channel [parent BR #daughters] |
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237 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
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238 | daughterXi,daughterPi); |
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239 | // add decay table |
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240 | decayTable->Insert(mode); |
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241 | } |
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242 | // ------------ Xi Pi0 ------------ |
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243 | // determine daughters |
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244 | if (iIso3== +1) { |
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245 | daughterXi = "xi0"; |
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246 | r = br/2.; |
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247 | } else if (iIso3 == -1) { |
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248 | daughterXi = "xi-"; |
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249 | r = br/2.; |
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250 | } |
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251 | daughterPi = "pi0"; |
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252 | if (fAnti) daughterXi = "anti_" + daughterXi; |
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253 | if (r>0.) { |
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254 | // create decay channel [parent BR #daughters] |
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255 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
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256 | daughterXi,daughterPi); |
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257 | // add decay table |
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258 | decayTable->Insert(mode); |
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259 | } |
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260 | |
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261 | // ------------ XI pi + ------------ |
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262 | // determine daughters |
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263 | if (iIso3== +1) { |
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264 | daughterXi = "xi-"; |
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265 | r = br/2.; |
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266 | } else if (iIso3==-1) { |
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267 | r = 0.; |
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268 | } |
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269 | if (!fAnti) { |
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270 | daughterPi = "pi+"; |
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271 | } else { |
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272 | daughterPi = "pi-"; |
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273 | } |
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274 | if (fAnti) daughterXi = "anti_" + daughterXi; |
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275 | if (r>0.) { |
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276 | // create decay channel [parent BR #daughters] |
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277 | mode = new G4PhaseSpaceDecayChannel(nameParent, r, 2, |
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278 | daughterXi,daughterPi); |
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279 | // add decay table |
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280 | decayTable->Insert(mode); |
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281 | } |
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282 | |
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283 | return decayTable; |
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284 | } |
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285 | |
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286 | |
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287 | const char* G4ExcitedXiConstructor::name[] = { |
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288 | "xi(1530)", "xi(1690)", "xi(1820)", "xi(1950)", "xi(2030)" |
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289 | }; |
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290 | |
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291 | const G4double G4ExcitedXiConstructor::mass[] = { |
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292 | 1.5334*GeV, 1.690*GeV, 1.823*GeV, 1.950*GeV, 2.025*GeV |
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293 | }; |
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294 | |
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295 | const G4double G4ExcitedXiConstructor::width[] = { |
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296 | 9.1*MeV, 50.0*MeV, 24.0*MeV, 60.0*MeV, 20.0*MeV |
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297 | }; |
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298 | |
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299 | const G4int G4ExcitedXiConstructor::iSpin[] = { |
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300 | 3, 3, 3, 3, 5 |
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301 | }; |
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302 | |
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303 | const G4int G4ExcitedXiConstructor::iParity[] = { |
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304 | +1, +1, -1, -1, +1 |
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305 | }; |
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306 | |
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307 | |
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308 | const G4int G4ExcitedXiConstructor::encodingOffset[] = { |
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309 | 0, 20000, 10000, 30000, 10000 |
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310 | }; |
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311 | |
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312 | const G4double G4ExcitedXiConstructor::bRatio[ G4ExcitedXiConstructor::NStates ][ G4ExcitedXiConstructor::NumberOfDecayModes] = |
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313 | { |
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314 | { 0.98, 0.02, 0.0, 0.0}, |
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315 | { 0.10, 0.0, 0.70, 0.20}, |
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316 | { 0.15, 0.0, 0.70, 0.15}, |
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317 | { 0.25, 0.0, 0.50, 0.25}, |
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318 | { 0.10, 0.0, 0.20, 0.70} |
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319 | }; |
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320 | |
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321 | |
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322 | |
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323 | |
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324 | |
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325 | |
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326 | |
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327 | |
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328 | |
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329 | |
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330 | |
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