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 | // $Id: G4PDGCodeChecker.cc,v 1.12 2009/04/02 02:24:53 kurasige Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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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 | // 17 Aug 1999 H.Kurashige |
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36 | // ********************************************************************** |
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37 | |
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38 | #include <fstream> |
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39 | #include <iomanip> |
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40 | |
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41 | #include "G4PDGCodeChecker.hh" |
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42 | |
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43 | ///////////// |
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44 | G4PDGCodeChecker::G4PDGCodeChecker() |
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45 | { |
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46 | code = 0; |
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47 | verboseLevel = 1; |
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48 | } |
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49 | |
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50 | ///////////// |
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51 | G4int G4PDGCodeChecker::CheckPDGCode( G4int PDGcode, |
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52 | G4String particleType) |
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53 | { |
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54 | code = PDGcode; |
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55 | theParticleType = particleType; |
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56 | |
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57 | // clear QuarkContents |
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58 | G4int flavor; |
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59 | for (flavor=0; flavor<NumberOfQuarkFlavor; flavor++){ |
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60 | theQuarkContent[flavor] =0; |
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61 | theAntiQuarkContent[flavor] =0; |
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62 | } |
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63 | |
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64 | // check code for nuclei |
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65 | if (theParticleType == "nucleus"){ |
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66 | return CheckForNuclei(); |
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67 | } |
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68 | |
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69 | // get each digit number |
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70 | GetDigits(code); |
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71 | |
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72 | // check code |
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73 | if (theParticleType =="quarks") { |
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74 | return CheckForQuarks(); |
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75 | |
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76 | } else if (theParticleType =="diquarks") { |
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77 | return CheckForDiQuarks(); |
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78 | |
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79 | } else if (theParticleType =="gluons") { |
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80 | // gluons |
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81 | // do not care about |
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82 | return code; |
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83 | |
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84 | } else if (theParticleType == "meson") { |
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85 | return CheckForMesons(); |
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86 | |
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87 | } else if (theParticleType == "baryon"){ |
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88 | return CheckForBaryons(); |
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89 | |
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90 | |
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91 | } |
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92 | // No check |
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93 | return code; |
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94 | } |
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95 | |
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96 | ///////////// |
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97 | G4int G4PDGCodeChecker::CheckForBaryons() |
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98 | { |
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99 | G4int tempPDGcode = code; |
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100 | |
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101 | if ((quark1==0)||(quark2==0)||(quark3==0)){ |
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102 | #ifdef G4VERBOSE |
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103 | if (verboseLevel>0) { |
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104 | G4cout << " G4PDGCodeChecker::CheckPDGCode : "; |
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105 | G4cout << " meson has three quark "; |
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106 | G4cout << " PDG code=" << code <<G4endl; |
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107 | } |
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108 | #endif |
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109 | return 0; |
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110 | } |
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111 | |
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112 | //exceptions |
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113 | if (std::abs(tempPDGcode)%10000 == 3122) { |
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114 | // Lambda |
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115 | quark2=2; quark3 = 1; spin = 1; |
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116 | } else if (std::abs(tempPDGcode)%10000 == 3124) { |
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117 | // Lambda* |
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118 | quark2=2; quark3 = 1; spin = 3; |
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119 | } else if (std::abs(tempPDGcode)%10000 == 3126) { |
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120 | // Lambda* |
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121 | quark2=2; quark3 = 1; spin = 5; |
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122 | } else if (std::abs(tempPDGcode)%10000 == 3128) { |
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123 | // Lambda* |
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124 | quark2=2; quark3 = 1; spin = 7; |
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125 | } else if (std::abs(tempPDGcode)%10000 == 4122) { |
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126 | // Lambda_c |
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127 | quark2=2; quark3 = 1; spin = 1; |
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128 | } else if (std::abs(tempPDGcode)%10000 == 4132) { |
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129 | // Xi_c0 |
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130 | quark2=3; quark3 = 1; spin = 1; |
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131 | } else if (std::abs(tempPDGcode)%10000 == 4232) { |
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132 | // Xi_c+ |
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133 | quark2=3; quark3 = 2; spin = 1; |
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134 | } else if (std::abs(tempPDGcode)%10000 == 2122) { |
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135 | // Delta+ (spin 1/2) |
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136 | quark2=2; quark3 = 1; spin = 1; |
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137 | } else if (std::abs(tempPDGcode)%10000 == 1212) { |
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138 | // Delta0 (spin 1/2) |
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139 | quark1=2; quark2 = 1; spin = 1; |
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140 | } else if (std::abs(tempPDGcode)%10000 == 2126) { |
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141 | // Delta+ (spin 5/2) |
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142 | quark2=2; quark3 = 1; spin = 5; |
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143 | } else if (std::abs(tempPDGcode)%10000 == 1216) { |
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144 | // Delta0 (spin 5/2) |
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145 | quark1=2; quark2 = 1; spin = 5; |
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146 | } else if (std::abs(tempPDGcode)%10000 == 2128) { |
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147 | // Delta+ (spin 7/2) |
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148 | quark2=2; quark3 = 1; spin = 7; |
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149 | } else if (std::abs(tempPDGcode)%10000 == 1218) { |
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150 | // Delta0 (spin 7/2) |
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151 | quark1=2; quark2 = 1; spin = 7; |
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152 | } else if (std::abs(tempPDGcode)%10000 == 2124) { |
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153 | // N*+ (spin 3/2) |
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154 | quark2=2; quark3 = 1; spin = 3; |
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155 | } else if (std::abs(tempPDGcode)%10000 == 1214) { |
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156 | // N*0 (spin 3/2) |
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157 | quark1=2; quark2 = 1; spin = 3; |
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158 | } |
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159 | |
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160 | // check quark flavor |
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161 | if ((quark1<quark2)||(quark2<quark3)||(quark1<quark3)) { |
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162 | #ifdef G4VERBOSE |
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163 | if (verboseLevel>0) { |
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164 | G4cout << " G4PDGCodeChecker::CheckPDGCode : "; |
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165 | G4cout << " illegal code for baryon "; |
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166 | G4cout << " PDG code=" << code <<G4endl; |
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167 | } |
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168 | #endif |
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169 | return 0; |
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170 | } |
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171 | if (quark1> NumberOfQuarkFlavor) { |
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172 | #ifdef G4VERBOSE |
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173 | if (verboseLevel>0) { |
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174 | G4cout << " G4PDGCodeChecker::CheckPDGCode : "; |
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175 | G4cout << " ??? unknown quark "; |
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176 | G4cout << " PDG code=" << code <<G4endl; |
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177 | } |
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178 | #endif |
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179 | return 0; |
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180 | } |
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181 | |
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182 | |
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183 | // Fill Quark contents |
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184 | if (tempPDGcode >0) { |
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185 | theQuarkContent[quark1-1] ++; |
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186 | theQuarkContent[quark2-1] ++; |
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187 | theQuarkContent[quark3-1] ++; |
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188 | } else { |
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189 | theAntiQuarkContent[quark1-1] ++; |
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190 | theAntiQuarkContent[quark2-1] ++; |
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191 | theAntiQuarkContent[quark3-1] ++; |
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192 | } |
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193 | |
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194 | return code; |
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195 | } |
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196 | |
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197 | ///////////// |
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198 | G4int G4PDGCodeChecker::CheckForMesons() |
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199 | { |
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200 | G4int tempPDGcode = code; |
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201 | |
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202 | // -- exceptions -- |
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203 | if (tempPDGcode == 310) spin = 0; //K0s |
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204 | if (tempPDGcode == 130) { //K0l |
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205 | spin = 0; |
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206 | quark2 = 3; |
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207 | quark3 = 1; |
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208 | } |
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209 | |
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210 | // |
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211 | if ((quark1 !=0)||(quark2==0)||(quark3==0)){ |
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212 | #ifdef G4VERBOSE |
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213 | if (verboseLevel>0) { |
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214 | G4cout << " G4PDGCodeChecker::CheckPDGCode : "; |
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215 | G4cout << " meson has only quark and anti-quark pair"; |
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216 | G4cout << " PDG code=" << code <<G4endl; |
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217 | } |
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218 | #endif |
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219 | return 0; |
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220 | } |
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221 | if (quark2<quark3) { |
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222 | #ifdef G4VERBOSE |
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223 | if (verboseLevel>0) { |
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224 | G4cout << " G4PDGCodeChecker::CheckPDGCode : "; |
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225 | G4cout << " illegal code for meson "; |
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226 | G4cout << " PDG code=" << code <<G4endl; |
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227 | } |
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228 | #endif |
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229 | return 0; |
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230 | } |
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231 | |
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232 | // check quark flavor |
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233 | if (quark2> NumberOfQuarkFlavor){ |
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234 | #ifdef G4VERBOSE |
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235 | if (verboseLevel>0) { |
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236 | G4cout << " G4PDGCodeChecker::CheckPDGCode : "; |
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237 | G4cout << " ??? unknown quark "; |
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238 | G4cout << " PDG code=" << code <<G4endl; |
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239 | } |
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240 | #endif |
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241 | return 0; |
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242 | } |
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243 | |
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244 | |
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245 | // check heavier quark type |
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246 | if (quark2 & 1) { |
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247 | // down type qurak |
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248 | if (tempPDGcode >0) { |
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249 | theQuarkContent[quark3-1] =1; |
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250 | theAntiQuarkContent[quark2-1] =1; |
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251 | } else { |
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252 | theQuarkContent[quark2-1] =1; |
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253 | theAntiQuarkContent[quark3-1] =1; |
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254 | } |
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255 | } else { |
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256 | // up type quark |
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257 | if (tempPDGcode >0) { |
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258 | theQuarkContent[quark2-1] =1; |
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259 | theAntiQuarkContent[quark3-1] =1; |
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260 | } else { |
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261 | theQuarkContent[quark3-1] =1; |
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262 | theAntiQuarkContent[quark2-1] =1; |
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263 | } |
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264 | } |
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265 | return code; |
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266 | } |
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267 | |
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268 | |
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269 | |
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270 | ///////////// |
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271 | G4int G4PDGCodeChecker::CheckForDiQuarks() |
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272 | { |
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273 | if ((quark1 ==0) || (quark2 ==0) || (quark3 !=0)) { |
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274 | // quark3 should be 0 |
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275 | // --- code is wrong |
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276 | return 0; |
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277 | |
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278 | } else if (quark1 < quark2) { |
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279 | // --- code is wrong |
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280 | return 0; |
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281 | |
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282 | } else if (quark2>NumberOfQuarkFlavor){ |
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283 | #ifdef G4VERBOSE |
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284 | if (verboseLevel>0) { |
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285 | G4cout << " G4PDGCodeChecker::CheckPDGCode : "; |
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286 | G4cout << " ??? unknown quark "; |
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287 | G4cout << " PDG code=" << code <<G4endl; |
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288 | } |
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289 | #endif |
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290 | return 0; |
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291 | |
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292 | } |
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293 | |
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294 | // Fill Quark Contents |
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295 | if (code>0){ |
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296 | theQuarkContent[quark1-1] +=1; |
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297 | theQuarkContent[quark2-1] +=1; |
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298 | } else { |
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299 | theAntiQuarkContent[quark1-1] +=1; |
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300 | theAntiQuarkContent[quark2-1] +=1; |
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301 | } |
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302 | |
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303 | return code; |
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304 | } |
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305 | |
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306 | ///////////// |
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307 | G4int G4PDGCodeChecker::CheckForQuarks() |
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308 | { |
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309 | if ( std::abs(quark1)>NumberOfQuarkFlavor ) { |
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310 | #ifdef G4VERBOSE |
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311 | if (verboseLevel>0) { |
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312 | G4cout << " G4PDGCodeChecker::CheckPDGCode : "; |
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313 | G4cout << " ??? unknown quark "; |
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314 | G4cout << " PDG code=" << code <<G4endl; |
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315 | } |
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316 | #endif |
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317 | // --- code is wrong |
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318 | return 0; |
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319 | |
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320 | } |
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321 | |
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322 | quark1 = std::abs(code); |
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323 | |
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324 | // Fill Quark Contents |
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325 | if (code>0){ |
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326 | theQuarkContent[quark1-1] =1; |
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327 | } else { |
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328 | theAntiQuarkContent[quark1-1] =1; |
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329 | } |
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330 | return code; |
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331 | } |
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332 | |
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333 | ///////////// |
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334 | G4bool G4PDGCodeChecker::CheckCharge(G4double thePDGCharge) const |
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335 | { |
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336 | // check charge |
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337 | G4double totalCharge = 0.0; |
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338 | for (G4int flavor= 0; flavor<NumberOfQuarkFlavor-1; flavor+=2){ |
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339 | totalCharge += (-1./3.)*eplus*theQuarkContent[flavor]; |
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340 | totalCharge += 1./3.*eplus*theAntiQuarkContent[flavor]; |
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341 | totalCharge += 2./3.*eplus*theQuarkContent[flavor+1]; |
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342 | totalCharge += (-2./3.)*eplus*theAntiQuarkContent[flavor+1]; |
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343 | } |
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344 | |
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345 | if (std::fabs(totalCharge-thePDGCharge)>0.1*eplus) { |
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346 | #ifdef G4VERBOSE |
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347 | if (verboseLevel>0) { |
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348 | G4cout << " G4PDGCodeChecker::CheckCharge : "; |
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349 | G4cout << " illegal electric charge " << thePDGCharge/eplus; |
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350 | G4cout << " PDG code=" << code <<G4endl; |
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351 | } |
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352 | #endif |
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353 | return false; |
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354 | } |
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355 | return true; |
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356 | } |
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357 | |
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358 | ///////////// |
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359 | G4int G4PDGCodeChecker::CheckForNuclei() |
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360 | { |
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361 | G4int pcode = code; |
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362 | if (pcode < 1000000000) { |
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363 | // anti particle |
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364 | return 0; |
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365 | } |
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366 | |
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367 | pcode -= 1000000000; |
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368 | G4int L = pcode/10000000; |
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369 | pcode -= 10000000*L; |
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370 | G4int Z = pcode/10000; |
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371 | pcode -= 10000*Z; |
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372 | G4int A = pcode/10; |
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373 | |
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374 | if (A < 2 || Z > A-L || L>A || Z<=0 ) { |
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375 | #ifdef G4VERBOSE |
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376 | if (verboseLevel>0) { |
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377 | G4cout << " G4PDGCodeChecker::CheckPDGCode : "; |
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378 | G4cout << " ??? Illegal PDG encoding for nucleus "; |
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379 | G4cout << " PDG code=" << code <<G4endl; |
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380 | } |
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381 | #endif |
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382 | return 0; |
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383 | } |
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384 | |
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385 | G4int n_up = 2*Z + (A-Z-L) + L; |
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386 | G4int n_down = Z + 2*(A-Z-L) + L; |
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387 | G4int n_s = L; |
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388 | |
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389 | // Fill Quark contents |
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390 | theQuarkContent[0] = n_up; |
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391 | theQuarkContent[1] = n_down; |
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392 | theQuarkContent[2] = n_s; |
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393 | |
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394 | return code; |
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395 | } |
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396 | |
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397 | ///////////// |
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398 | void G4PDGCodeChecker::GetDigits(G4int PDGcode) |
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399 | { |
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400 | G4int temp = std::abs(PDGcode); |
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401 | |
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402 | higherSpin = temp/10000000; |
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403 | temp -= G4int(higherSpin*10000000); |
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404 | |
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405 | exotic = temp/1000000; |
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406 | temp -= G4int(exotic*1000000); |
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407 | |
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408 | radial = temp/100000; |
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409 | temp -= G4int(radial*100000); |
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410 | |
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411 | multiplet = temp/10000; |
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412 | temp -= G4int(multiplet*10000); |
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413 | |
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414 | quark1 = temp/1000; |
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415 | temp -= G4int(quark1*1000); |
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416 | |
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417 | quark2 = temp/100; |
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418 | temp -= G4int(quark2*100); |
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419 | |
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420 | quark3 = temp/10; |
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421 | temp -= G4int(quark3*10); |
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422 | |
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423 | spin= temp; |
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424 | if ((spin ==0) && ( higherSpin !=0 )) { |
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425 | spin = higherSpin-1; |
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426 | } else { |
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427 | spin -= 1; |
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428 | } |
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429 | } |
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