1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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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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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // |
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28 | // Hadronic Process: Reaction Dynamics |
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29 | // original by H.P. Wellisch |
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30 | // Modified by J.L.Chuma 19-Nov-96 |
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31 | // Modified by J.L.Chuma 27-Mar-97 |
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32 | // Modified by J.L.Chuma 30-Apr-97 |
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33 | // Modified by J.L.Chuma 06-Aug-97 to include the original incident particle |
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34 | // before Fermi motion and evaporation effects |
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35 | |
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36 | #ifndef G4ReactionDynamics_h |
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37 | #define G4ReactionDynamics_h 1 |
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38 | |
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39 | #include "G4ParticleTypes.hh" |
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40 | #include "G4DynamicParticle.hh" |
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41 | #include "G4ReactionProduct.hh" |
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42 | #include "G4Nucleus.hh" |
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43 | #include "G4FastVector.hh" |
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44 | #include "G4HadProjectile.hh" |
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45 | |
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46 | enum{ GHADLISTSIZE=256}; |
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47 | |
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48 | class G4ReactionDynamics |
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49 | { |
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50 | public: |
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51 | |
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52 | G4ReactionDynamics() {} |
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53 | |
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54 | virtual ~G4ReactionDynamics() {} |
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55 | |
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56 | virtual G4double FindInelasticity() |
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57 | { return 0.0; } |
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58 | |
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59 | virtual G4double FindTimeDelay() |
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60 | { return 0.0; } |
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61 | |
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62 | G4bool GenerateXandPt( // derived from GENXPT |
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63 | G4FastVector<G4ReactionProduct,GHADLISTSIZE> &vec, |
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64 | G4int &vecLen, |
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65 | G4ReactionProduct &modifiedOriginal, // Fermi motion & evap. effect included |
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66 | const G4HadProjectile *originalIncident, |
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67 | G4ReactionProduct ¤tParticle, |
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68 | G4ReactionProduct &targetParticle, |
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69 | const G4DynamicParticle* originalTarget, |
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70 | const G4Nucleus &targetNucleus, |
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71 | G4bool &incidentHasChanged, |
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72 | G4bool &targetHasChanged, |
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73 | G4bool leadFlag, |
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74 | G4ReactionProduct &leadingStrangeParticle ); |
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75 | |
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76 | void SuppressChargedPions( |
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77 | G4FastVector<G4ReactionProduct,GHADLISTSIZE> &vec, |
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78 | G4int &vecLen, |
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79 | const G4ReactionProduct &modifiedOriginal, |
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80 | G4ReactionProduct ¤tParticle, |
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81 | G4ReactionProduct &targetParticle, |
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82 | const G4Nucleus &targetNucleus, |
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83 | G4bool &incidentHasChanged, |
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84 | G4bool &targetHasChanged ); |
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85 | |
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86 | G4bool TwoCluster( // derived from TWOCLU |
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87 | G4FastVector<G4ReactionProduct,GHADLISTSIZE> &vec, |
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88 | G4int &vecLen, |
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89 | G4ReactionProduct &modifiedOriginal, // Fermi motion & evap. effect included |
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90 | const G4HadProjectile *originalIncident, |
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91 | G4ReactionProduct ¤tParticle, |
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92 | G4ReactionProduct &targetParticle, |
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93 | const G4DynamicParticle* originalTarget, |
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94 | const G4Nucleus &targetNucleus, |
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95 | G4bool &incidentHasChanged, |
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96 | G4bool &targetHasChanged, |
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97 | G4bool leadFlag, |
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98 | G4ReactionProduct &leadingStrangeParticle ); |
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99 | |
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100 | void TwoBody( // derived from TWOB |
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101 | G4FastVector<G4ReactionProduct,GHADLISTSIZE> &vec, |
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102 | G4int &vecLen, |
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103 | G4ReactionProduct &modifiedOriginal, |
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104 | const G4DynamicParticle *originalTarget, |
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105 | G4ReactionProduct ¤tParticle, |
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106 | G4ReactionProduct &targetParticle, |
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107 | const G4Nucleus &targetNucleus, |
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108 | G4bool &targetHasChanged ); |
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109 | |
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110 | G4int Factorial( G4int n ); |
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111 | |
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112 | G4double GenerateNBodyEvent( // derived from PHASP |
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113 | const G4double totalEnergy, |
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114 | const G4bool constantCrossSection, |
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115 | G4FastVector<G4ReactionProduct,GHADLISTSIZE> &vec, |
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116 | G4int &vecLen ); |
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117 | |
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118 | void ProduceStrangeParticlePairs( |
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119 | G4FastVector<G4ReactionProduct,GHADLISTSIZE> &vec, |
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120 | G4int &vecLen, |
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121 | const G4ReactionProduct &modifiedOriginal, |
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122 | const G4DynamicParticle *originalTarget, |
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123 | G4ReactionProduct ¤tParticle, |
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124 | G4ReactionProduct &targetParticle, |
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125 | G4bool &incidentHasChanged, |
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126 | G4bool &targetHasChanged ); |
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127 | |
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128 | void NuclearReaction( // derived from NUCREC |
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129 | G4FastVector<G4ReactionProduct,4> &vec, |
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130 | G4int &vecLen, |
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131 | const G4HadProjectile *originalIncident, |
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132 | const G4Nucleus &aNucleus, |
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133 | const G4double theAtomicMass, |
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134 | const G4double *massVec ); |
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135 | |
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136 | private: |
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137 | |
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138 | void Rotate( |
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139 | const G4double numberofFinalStateNucleons, |
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140 | const G4ThreeVector &temp, |
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141 | const G4ReactionProduct &modifiedOriginal, // Fermi motion & evap. effect included |
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142 | const G4HadProjectile *originalIncident, |
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143 | const G4Nucleus &targetNucleus, |
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144 | G4ReactionProduct ¤tParticle, |
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145 | G4ReactionProduct &targetParticle, |
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146 | G4FastVector<G4ReactionProduct,GHADLISTSIZE> &vec, |
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147 | G4int &vecLen ); |
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148 | |
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149 | void Defs1( |
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150 | const G4ReactionProduct &modifiedOriginal, |
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151 | G4ReactionProduct ¤tParticle, |
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152 | G4ReactionProduct &targetParticle, |
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153 | G4FastVector<G4ReactionProduct,GHADLISTSIZE> &vec, |
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154 | G4int &vecLen ); |
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155 | |
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156 | void AddBlackTrackParticles( |
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157 | const G4double epnb, |
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158 | const G4int npnb, |
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159 | const G4double edta, |
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160 | const G4int ndta, |
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161 | const G4double sprob, |
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162 | const G4double kineticMinimum, |
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163 | const G4double kineticFactor, |
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164 | const G4ReactionProduct &modifiedOriginal, |
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165 | G4int PinNucleus, |
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166 | G4int NinNucleus, |
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167 | const G4Nucleus &aNucleus, |
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168 | G4FastVector<G4ReactionProduct,GHADLISTSIZE> &vec, |
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169 | G4int &vecLen ); |
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170 | |
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171 | std::pair<G4int, G4int> GetFinalStateNucleons( |
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172 | const G4DynamicParticle* originalTarget, |
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173 | const G4FastVector<G4ReactionProduct,GHADLISTSIZE>& vec, |
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174 | const G4int& vecLen ); |
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175 | |
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176 | void MomentumCheck( |
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177 | const G4ReactionProduct &modifiedOriginal, |
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178 | G4ReactionProduct ¤tParticle, |
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179 | G4ReactionProduct &targetParticle, |
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180 | G4FastVector<G4ReactionProduct,GHADLISTSIZE> &vec, |
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181 | G4int &vecLen ); |
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182 | |
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183 | G4double normal(); |
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184 | |
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185 | G4int Poisson( G4double x ); |
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186 | |
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187 | }; |
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188 | |
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189 | #endif |
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190 | |
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