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 | // Calculation of the total, elastic and inelastic cross-sections |
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27 | // based on parametrisations of (proton, pion, kaon, photon) nucleon |
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28 | // cross-sections and the hadron-nucleous cross-section model in |
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29 | // the framework of Glauber-Gribov approach |
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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 | // |
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35 | // 17.07.06 V. Grichine - first implementation |
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36 | // 22.01.07 V.Ivanchenko - add interface with Z and A |
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37 | // 05.03.07 V.Ivanchenko - add IfZAApplicable |
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38 | // 06.03.07 V.Ivanchenko - add GetElasticGlauberGribov and GetElasticGlauberGribov |
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39 | // for combined dataset |
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40 | // |
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41 | // |
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42 | |
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43 | #ifndef G4GlauberGribovCrossSection_h |
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44 | #define G4GlauberGribovCrossSection_h |
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45 | |
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46 | #include "globals.hh" |
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47 | #include "G4Proton.hh" |
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48 | #include "G4Nucleus.hh" |
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49 | |
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50 | #include "G4VCrossSectionDataSet.hh" |
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51 | |
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52 | class G4ParticleDefinition; |
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53 | |
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54 | class G4GlauberGribovCrossSection : public G4VCrossSectionDataSet |
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55 | { |
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56 | public: |
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57 | |
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58 | G4GlauberGribovCrossSection (); |
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59 | virtual ~G4GlauberGribovCrossSection (); |
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60 | |
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61 | virtual |
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62 | G4bool IsApplicable(const G4DynamicParticle* aDP, const G4Element*); |
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63 | |
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64 | virtual |
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65 | G4bool IsZAApplicable(const G4DynamicParticle* aDP, G4double Z, G4double A); |
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66 | |
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67 | virtual |
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68 | G4double GetCrossSection(const G4DynamicParticle*, |
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69 | const G4Element*, |
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70 | G4double aTemperature = 0.0); |
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71 | |
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72 | virtual |
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73 | G4double GetIsoZACrossSection(const G4DynamicParticle*, |
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74 | G4double Z, G4double A, |
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75 | G4double aTemperature = 0.0); |
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76 | |
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77 | virtual |
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78 | void BuildPhysicsTable(const G4ParticleDefinition&) |
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79 | {} |
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80 | |
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81 | virtual |
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82 | void DumpPhysicsTable(const G4ParticleDefinition&) |
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83 | {G4cout << "G4GlauberGribovCrossSection: uses Glauber-Gribov formula"<<G4endl;} |
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84 | |
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85 | G4double GetRatioSD(const G4DynamicParticle*, G4double At, G4double Zt); |
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86 | G4double GetRatioQE(const G4DynamicParticle*, G4double At, G4double Zt); |
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87 | |
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88 | G4double GetHadronNucleonXsc(const G4DynamicParticle*, const G4Element*); |
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89 | G4double GetHadronNucleonXsc(const G4DynamicParticle*, G4double At, G4double Zt); |
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90 | |
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91 | G4double GetHadronNucleonXscPDG(const G4DynamicParticle*, const G4Element*); |
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92 | G4double GetHadronNucleonXscPDG(const G4DynamicParticle*, G4double At, G4double Zt); |
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93 | |
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94 | G4double GetHadronNucleonXscNS(const G4DynamicParticle*, const G4Element*); |
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95 | G4double GetHadronNucleonXscNS(const G4DynamicParticle*,G4double At, G4double Zt); |
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96 | |
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97 | G4double GetHNinelasticXsc(const G4DynamicParticle*, const G4Element*); |
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98 | G4double GetHNinelasticXsc(const G4DynamicParticle*, G4double At, G4double Zt); |
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99 | G4double GetHNinelasticXscVU(const G4DynamicParticle*, G4double At, G4double Zt); |
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100 | G4double GetHadronNucleonXscMK(const G4DynamicParticle* aParticle, |
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101 | const G4ParticleDefinition* nucleon ); |
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102 | |
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103 | G4double CalculateEcmValue ( const G4double , const G4double , const G4double ); |
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104 | |
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105 | G4double CalcMandelstamS( const G4double , const G4double , const G4double ); |
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106 | |
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107 | G4double GetElasticGlauberGribov(const G4DynamicParticle*,G4double Z, G4double A); |
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108 | G4double GetInelasticGlauberGribov(const G4DynamicParticle*,G4double Z, G4double A); |
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109 | |
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110 | G4double GetTotalGlauberGribovXsc() { return fTotalXsc; }; |
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111 | G4double GetElasticGlauberGribovXsc() { return fElasticXsc; }; |
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112 | G4double GetInelasticGlauberGribovXsc(){ return fInelasticXsc; }; |
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113 | G4double GetProductionGlauberGribovXsc(){ return fProductionXsc; }; |
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114 | G4double GetDiffractionGlauberGribovXsc(){ return fDiffractionXsc; }; |
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115 | G4double GetRadiusConst() { return fRadiusConst; }; |
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116 | |
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117 | G4double GetNucleusRadius(const G4DynamicParticle*, const G4Element*); |
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118 | G4double GetNucleusRadius(G4double At); |
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119 | |
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120 | inline G4double GetParticleBarCorTot( const G4ParticleDefinition* theParticle, G4double Z ); |
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121 | inline G4double GetParticleBarCorIn( const G4ParticleDefinition* theParticle, G4double Z ); |
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122 | |
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123 | inline void SetEnergyLowerLimit(G4double E ){fLowerLimit=E;}; |
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124 | |
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125 | private: |
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126 | |
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127 | const G4double fUpperLimit; |
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128 | G4double fLowerLimit; |
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129 | const G4double fRadiusConst; |
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130 | |
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131 | static const G4double fNeutronBarCorrectionTot[93]; |
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132 | static const G4double fNeutronBarCorrectionIn[93]; |
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133 | |
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134 | static const G4double fProtonBarCorrectionTot[93]; |
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135 | static const G4double fProtonBarCorrectionIn[93]; |
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136 | |
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137 | static const G4double fPionPlusBarCorrectionTot[93]; |
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138 | static const G4double fPionPlusBarCorrectionIn[93]; |
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139 | |
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140 | static const G4double fPionMinusBarCorrectionTot[93]; |
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141 | static const G4double fPionMinusBarCorrectionIn[93]; |
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142 | |
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143 | G4double fTotalXsc, fElasticXsc, fInelasticXsc, fProductionXsc, fDiffractionXsc; |
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144 | G4double fHadronNucleonXsc; |
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145 | |
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146 | G4ParticleDefinition* theGamma; |
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147 | G4ParticleDefinition* theProton; |
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148 | G4ParticleDefinition* theNeutron; |
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149 | G4ParticleDefinition* theAProton; |
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150 | G4ParticleDefinition* theANeutron; |
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151 | G4ParticleDefinition* thePiPlus; |
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152 | G4ParticleDefinition* thePiMinus; |
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153 | G4ParticleDefinition* thePiZero; |
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154 | G4ParticleDefinition* theKPlus; |
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155 | G4ParticleDefinition* theKMinus; |
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156 | G4ParticleDefinition* theK0S; |
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157 | G4ParticleDefinition* theK0L; |
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158 | G4ParticleDefinition* theL; |
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159 | G4ParticleDefinition* theAntiL; |
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160 | G4ParticleDefinition* theSPlus; |
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161 | G4ParticleDefinition* theASPlus; |
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162 | G4ParticleDefinition* theSMinus; |
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163 | G4ParticleDefinition* theASMinus; |
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164 | G4ParticleDefinition* theS0; |
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165 | G4ParticleDefinition* theAS0; |
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166 | G4ParticleDefinition* theXiMinus; |
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167 | G4ParticleDefinition* theXi0; |
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168 | G4ParticleDefinition* theAXiMinus; |
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169 | G4ParticleDefinition* theAXi0; |
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170 | G4ParticleDefinition* theOmega; |
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171 | G4ParticleDefinition* theAOmega; |
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172 | G4ParticleDefinition* theD; |
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173 | G4ParticleDefinition* theT; |
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174 | G4ParticleDefinition* theA; |
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175 | G4ParticleDefinition* theHe3; |
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176 | |
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177 | }; |
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178 | |
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179 | //////////////////////////////////////////////////////////////// |
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180 | // |
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181 | // Inlines |
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182 | |
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183 | inline |
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184 | G4double G4GlauberGribovCrossSection::GetElasticGlauberGribov( |
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185 | const G4DynamicParticle* dp, G4double Z, G4double A) |
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186 | { |
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187 | GetIsoZACrossSection(dp, Z, A); |
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188 | return fElasticXsc; |
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189 | } |
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190 | |
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191 | ///////////////////////////////////////////////////////////////// |
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192 | |
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193 | inline |
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194 | G4double G4GlauberGribovCrossSection::GetInelasticGlauberGribov( |
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195 | const G4DynamicParticle* dp, G4double Z, G4double A) |
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196 | { |
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197 | GetIsoZACrossSection(dp, Z, A); |
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198 | return fInelasticXsc; |
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199 | } |
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200 | |
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201 | ///////////////////////////////////////////////////////////////////// |
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202 | // |
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203 | // return correction at Tkin = 90*GeV GG -> Barashenkov tot xsc, when it |
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204 | // is available, else return 1.0 |
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205 | |
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206 | |
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207 | inline G4double G4GlauberGribovCrossSection::GetParticleBarCorTot( |
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208 | const G4ParticleDefinition* theParticle, G4double Z ) |
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209 | { |
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210 | G4int iZ = G4int(Z); |
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211 | |
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212 | if( iZ >= 2 && iZ <= 92) |
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213 | { |
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214 | if( theParticle == theProton ) return fProtonBarCorrectionTot[iZ]; |
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215 | else if( theParticle == theNeutron) return fNeutronBarCorrectionTot[iZ]; |
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216 | else if( theParticle == thePiPlus ) return fPionPlusBarCorrectionTot[iZ]; |
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217 | else if( theParticle == thePiMinus) return fPionMinusBarCorrectionTot[iZ]; |
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218 | else return 1.0; |
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219 | } |
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220 | else return 1.0; |
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221 | } |
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222 | |
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223 | ///////////////////////////////////////////////////////////////////// |
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224 | // |
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225 | // return correction at Tkin = 90*GeV GG -> Barashenkov in xsc, when it |
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226 | // is available, else return 1.0 |
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227 | |
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228 | |
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229 | inline G4double G4GlauberGribovCrossSection::GetParticleBarCorIn( |
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230 | const G4ParticleDefinition* theParticle, G4double Z ) |
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231 | { |
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232 | G4int iZ = G4int(Z); |
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233 | |
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234 | if( iZ >= 2 && iZ <= 92) |
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235 | { |
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236 | if( theParticle == theProton ) return fProtonBarCorrectionIn[iZ]; |
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237 | else if( theParticle == theNeutron) return fNeutronBarCorrectionIn[iZ]; |
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238 | else if( theParticle == thePiPlus ) return fPionPlusBarCorrectionIn[iZ]; |
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239 | else if( theParticle == thePiMinus) return fPionMinusBarCorrectionIn[iZ]; |
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240 | else return 1.0; |
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241 | } |
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242 | else return 1.0; |
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243 | } |
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244 | |
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245 | #endif |
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