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: G4Mars5GeV.hh,v 1.5 2006/06/29 20:43:22 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-02 $ |
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29 | // |
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30 | // |
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31 | // ------------------------------------------------------------ |
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32 | // GEANT 4 class header file |
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33 | // |
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34 | // |
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35 | // ------------------------------------------------------------ |
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36 | // First Implemention 17 Nov. 1998 M.Asai, H.Kurahige |
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37 | // |
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38 | // History: |
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39 | // modified as hadronic model 28 Oct 2001 N.Kanaya |
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40 | // remodified by T. Koi 18 Nov 2004 |
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41 | // ------------------------------------------------------------ |
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42 | // Class Description |
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43 | // This is a Event Biasing mechanism based on MARS code |
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44 | // This model is applicable to |
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45 | // proton/neutron/pi+-/K+-/gamma/anti_proton |
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46 | // with energy < 5.0GeV |
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47 | //* |
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48 | // Original code is MARS13 written by Nikolai Mokhov (FNAL) |
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49 | //************************************************************** |
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50 | //* MARS13: 9. hA EVENT GENERATOR: |
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51 | //* Copyright Nikolai Mokhov (Fermilab) |
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52 | //* |
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53 | //* LAST CHANGE: 14-NOV-1998 |
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54 | //************************************************************** |
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55 | //* Copyright Nikolai Mokhov (Fermilab) |
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56 | //* |
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57 | //* MARS13(98) |
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58 | //* |
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59 | //* INCLUSIVE HADRON(photon)-NUCLEUS VERTEX AT E < 5 GEV !!! |
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60 | //* THREE WEIGHTED HADRONS IN FINAL STATE: !!! |
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61 | //* IP+A -> N/P(CASC)+ PI+/PI-(K+/K-) + PI0 |
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62 | // |
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63 | |
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64 | #ifndef G4Mars5GeV_h |
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65 | #define G4Mars5GeV_h 1 |
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66 | #include "G4Element.hh" |
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67 | #include "G4ElementVector.hh" |
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68 | #include "G4ElementTable.hh" |
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69 | #include "G4PhysicsTable.hh" |
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70 | #include "G4PhysicsVector.hh" |
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71 | #include "G4LPhysicsFreeVector.hh" |
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72 | #include "G4LightMedia.hh" |
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73 | #include "G4Step.hh" |
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74 | #include "G4TrackStatus.hh" |
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75 | #include "G4InelasticInteraction.hh" |
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76 | #include "G4ParticleTable.hh" |
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77 | #include "G4ParticleDefinition.hh" |
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78 | |
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79 | class G4Mars5GeV : public G4InelasticInteraction |
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80 | { |
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81 | public: // with description |
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82 | // constructors |
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83 | G4Mars5GeV(); |
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84 | |
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85 | //destructor |
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86 | ~G4Mars5GeV() { ; }; |
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87 | |
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88 | // virtual methods derived from G4VEvtBiasMechanism |
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89 | G4HadFinalState* ApplyYourself( const G4HadProjectile &aTrack, |
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90 | G4Nucleus &targetNucleus ); |
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91 | |
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92 | private: |
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93 | void Treem5(); |
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94 | // This is the mothod which invoke MARS |
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95 | // secondary information will be filled up |
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96 | |
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97 | G4bool CoulombBarrier(G4int pType, G4double pE); |
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98 | // Check if coulomb barrier exists |
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99 | |
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100 | void CreateNucleon(G4int ib, G4int pType, G4double pE); |
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101 | void CreatePion(G4int ib, G4int pType, G4double pE); |
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102 | void CreatePionZero(G4int ib, G4int pType, G4double pE); |
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103 | // Create secondary particles and add them into the list |
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104 | |
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105 | //void AddSecondary(); |
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106 | void AddSecondaryToMarsList(); |
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107 | // Add a secondary particle into the list |
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108 | |
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109 | G4double SelBS(G4int pType, G4double aNucl, G4double zNucl); |
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110 | // Calculate weight of secondary |
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111 | |
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112 | G4double D2N2(G4int pType, G4double incidentE, |
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113 | G4double prodE, G4double tin, |
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114 | G4int reacType, G4int proType, |
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115 | G4double ai, G4double z); |
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116 | // Calculate Hadron Inclusive Yield |
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117 | |
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118 | G4double Rkaon(G4int ib, G4int jp, G4double eRaw); |
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119 | // Calculate energy dependent K/pi ratio |
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120 | |
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121 | void Trans(G4ThreeVector* d1, G4ThreeVector* d2); |
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122 | // Direction cosine transformation using selec2(cs,ss,ch,sh) |
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123 | |
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124 | G4double GetMaxWeight() const; |
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125 | G4double GetMinWeight() const; |
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126 | void SetMaxWeight(G4double); |
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127 | void SetMinWeight(G4double); |
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128 | |
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129 | public: |
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130 | enum {FastVectorSize = 16}; |
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131 | typedef G4FastVector<G4DynamicParticle ,FastVectorSize> G4MarsSecondaryVector; |
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132 | |
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133 | private: |
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134 | // weight max/min |
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135 | G4double maxWeight; |
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136 | G4double minWeight; |
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137 | |
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138 | // information of secondary |
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139 | G4int numberOfSecondaries; |
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140 | G4double weightOfSecondaries[FastVectorSize]; |
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141 | G4MarsSecondaryVector secondaries; |
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142 | |
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143 | private: |
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144 | G4bool IsApplicable(const G4HadProjectile& , G4Nucleus& ) { return true; }; |
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145 | G4bool IsApplicable(G4int marsEncoding) const; |
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146 | |
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147 | private: |
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148 | // Particle Change |
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149 | |
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150 | // Particle Table |
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151 | G4ParticleTable* theParticleTable; |
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152 | |
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153 | // particle encoding for MARS |
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154 | enum { MarsUndefined =0, |
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155 | MarsP, MarsN, MarsPIplus, MarsPIminus, MarsKplus, MarsKminus, |
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156 | MarsMUplus, MarsMUminus, MarsGAM, MarsEminus, MarsEplus, MarsAP, |
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157 | MarsPI0, MarsD, MarsT, MarsHe3, MarsHe4 }; |
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158 | |
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159 | G4int GetMarsEncoding(const G4ParticleDefinition* )const; |
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160 | const G4String& GetParticleName(G4int marsEncoding) const; |
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161 | G4ParticleDefinition* GetParticleDefinition(G4int marsEncoding) const; |
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162 | G4double ProtonMass; |
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163 | |
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164 | private: |
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165 | // incident information |
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166 | G4double incidentWeight; |
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167 | const G4HadProjectile* incidentParticle; |
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168 | G4int incidentMarsEncoding; |
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169 | |
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170 | void GetTargetNuclei(const G4Material*); //fill up fANucle and fZnucl |
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171 | G4double fANucl, fZNucl; // target nucleus |
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172 | |
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173 | private: |
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174 | // these class is to define common blocks in original code |
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175 | |
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176 | class Selec1 |
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177 | { |
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178 | public: |
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179 | G4double Einc, EN, V, V10; |
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180 | G4int Treac, Tprod; |
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181 | } selec1; |
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182 | class Selec2 |
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183 | { |
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184 | public: |
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185 | G4double Cs, Ss, Ch, Sh; |
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186 | } selec2; |
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187 | class Selec3 |
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188 | { |
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189 | public: |
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190 | G4double Eth, Emax, Sqs, X, Pt2, Pt, P; |
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191 | } selec3; |
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192 | }; |
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193 | |
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194 | #include "G4ParticleDefinition.hh" |
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195 | inline |
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196 | G4double G4Mars5GeV::GetMaxWeight() const |
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197 | { |
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198 | return maxWeight; |
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199 | } |
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200 | inline |
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201 | G4double G4Mars5GeV::GetMinWeight() const |
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202 | { |
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203 | return minWeight; |
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204 | } |
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205 | |
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206 | inline |
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207 | void G4Mars5GeV::SetMaxWeight(G4double value) |
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208 | { |
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209 | maxWeight = value; |
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210 | } |
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211 | inline |
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212 | void G4Mars5GeV::SetMinWeight(G4double value) |
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213 | { |
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214 | minWeight = value; |
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215 | } |
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216 | |
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217 | inline |
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218 | G4int G4Mars5GeV::GetMarsEncoding(const G4ParticleDefinition* particle) const{ |
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219 | const G4String& name = particle->GetParticleName(); |
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220 | G4int encoding = MarsUndefined; |
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221 | if (name == "proton") { |
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222 | encoding = MarsP; |
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223 | } else if (name == "neutron") { |
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224 | encoding = MarsN; |
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225 | } else if (name == "pi+") { |
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226 | encoding = MarsPIplus; |
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227 | } else if (name == "pi-") { |
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228 | encoding = MarsPIminus; |
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229 | } else if (name == "kaon+") { |
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230 | encoding = MarsKplus; |
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231 | } else if (name == "kaon-") { |
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232 | encoding = MarsKminus; |
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233 | } else if (name == "mu+") { |
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234 | encoding = MarsMUplus; |
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235 | } else if (name == "mu-") { |
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236 | encoding = MarsMUminus; |
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237 | } else if (name == "gamma") { |
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238 | encoding = MarsGAM; |
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239 | } else if (name == "e+") { |
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240 | encoding = MarsEplus; |
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241 | } else if (name == "e-") { |
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242 | encoding = MarsEminus; |
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243 | } else if (name == "anti_proton") { |
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244 | encoding = MarsAP; |
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245 | } else if (name == "pi0") { |
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246 | encoding = MarsPI0; |
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247 | } else if (name == "deuteron") { |
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248 | encoding = MarsD; |
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249 | } else if (name == "triton") { |
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250 | encoding = MarsT; |
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251 | } else if (name == "He3") { |
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252 | encoding = MarsHe3; |
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253 | } else if (name == "alpha") { |
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254 | encoding = MarsHe4; |
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255 | } |
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256 | return encoding; |
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257 | } |
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258 | |
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259 | inline |
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260 | const G4String& G4Mars5GeV::GetParticleName(G4int encoding) const |
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261 | { |
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262 | static G4String name; |
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263 | name = "None"; |
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264 | switch (encoding) |
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265 | { |
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266 | case MarsP: |
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267 | name = "proton"; |
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268 | break; |
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269 | case MarsN: |
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270 | name = "neutron"; |
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271 | break; |
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272 | case MarsPIplus: |
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273 | name = "pi+"; |
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274 | break; |
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275 | case MarsPIminus: |
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276 | name = "pi-"; |
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277 | break; |
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278 | case MarsKplus: |
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279 | name = "kaon+"; |
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280 | break; |
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281 | case MarsKminus: |
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282 | name = "kaon-"; |
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283 | break; |
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284 | case MarsMUplus: |
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285 | name = "mu+"; |
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286 | break; |
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287 | case MarsMUminus: |
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288 | name = "mu-"; |
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289 | break; |
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290 | case MarsGAM: |
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291 | name = "gamma"; |
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292 | break; |
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293 | case MarsEplus: |
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294 | name = "e+"; |
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295 | break; |
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296 | case MarsEminus: |
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297 | name = "e-"; |
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298 | break; |
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299 | case MarsAP: |
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300 | name = "anti_proton"; |
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301 | break; |
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302 | case MarsPI0: |
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303 | name = "pi0"; |
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304 | break; |
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305 | case MarsD: |
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306 | name = "deuteron"; |
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307 | break; |
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308 | case MarsT: |
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309 | name = "triton"; |
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310 | break; |
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311 | case MarsHe3: |
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312 | name = "He3"; |
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313 | break; |
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314 | case MarsHe4: |
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315 | name = "alpha"; |
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316 | break; |
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317 | default: |
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318 | break; |
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319 | } |
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320 | return name; |
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321 | } |
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322 | |
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323 | inline |
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324 | G4ParticleDefinition* G4Mars5GeV::GetParticleDefinition(G4int encoding) const |
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325 | { |
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326 | G4String name = GetParticleName(encoding); |
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327 | G4ParticleDefinition* particle = 0; |
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328 | if (name != "None") { |
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329 | particle = theParticleTable->FindParticle(name); |
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330 | } |
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331 | return particle; |
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332 | } |
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333 | |
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334 | inline |
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335 | G4bool G4Mars5GeV::IsApplicable(G4int marsEncoding) const |
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336 | { |
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337 | return ( ((marsEncoding!=MarsUndefined) && (marsEncoding<=MarsKminus) )|| |
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338 | (marsEncoding==MarsGAM) || |
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339 | (marsEncoding==MarsAP) ); |
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340 | } |
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341 | |
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342 | #endif |
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