1 | // |
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2 | // ******************************************************************** |
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3 | // * DISCLAIMER * |
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4 | // * * |
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5 | // * The following disclaimer summarizes all the specific disclaimers * |
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6 | // * of contributors to this software. The specific disclaimers,which * |
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7 | // * govern, are listed with their locations in: * |
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8 | // * http://cern.ch/geant4/license * |
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9 | // * * |
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10 | // * Neither the authors of this software system, nor their employing * |
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11 | // * institutes,nor the agencies providing financial support for this * |
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12 | // * work make any representation or warranty, express or implied, * |
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13 | // * regarding this software system or assume any liability for its * |
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14 | // * use. * |
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15 | // * * |
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16 | // * This code implementation is the intellectual property of the * |
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17 | // * GEANT4 collaboration. * |
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18 | // * By copying, distributing or modifying the Program (or any work * |
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19 | // * based on the Program) you indicate your acceptance of this * |
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20 | // * statement, and all its terms. * |
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21 | // ******************************************************************** |
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22 | // |
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23 | // |
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24 | // ------------------------------------------------------------------- |
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25 | // GEANT 4 class file --- Copyright CERN 1998 |
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26 | // CERN Geneva Switzerland |
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27 | // |
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28 | // |
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29 | // File name: G4XResonanceTest.cc |
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30 | // |
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31 | // Author: Maria Grazia Pia (pia@genova.infn.it), |
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32 | // |
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33 | // Creation date: 15 June 1999 |
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34 | // |
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35 | // Modifications: |
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36 | // |
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37 | // ------------------------------------------------------------------- |
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38 | |
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39 | #include "globals.hh" |
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40 | |
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41 | #include "G4ios.hh" |
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42 | #include <fstream> |
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43 | #include <iomanip> |
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44 | #include <iostream> |
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45 | #include <assert.h> |
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46 | |
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47 | #include "CLHEP/Hist/TupleManager.h" |
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48 | #include "CLHEP/Hist/HBookFile.h" |
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49 | #include "CLHEP/Hist/Histogram.h" |
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50 | #include "CLHEP/Hist/Tuple.h" |
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51 | |
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52 | #include "Randomize.hh" |
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53 | |
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54 | #include "G4ThreeVector.hh" |
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55 | #include "G4LorentzVector.hh" |
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56 | #include "G4LorentzRotation.hh" |
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57 | |
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58 | #include "G4AntiProton.hh" |
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59 | #include "G4AntiNeutron.hh" |
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60 | #include "G4Proton.hh" |
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61 | #include "G4Neutron.hh" |
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62 | #include "G4PionPlus.hh" |
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63 | #include "G4PionMinus.hh" |
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64 | #include "G4PionZero.hh" |
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65 | #include "G4Gamma.hh" |
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66 | #include "G4MuonMinus.hh" |
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67 | #include "G4MuonPlus.hh" |
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68 | #include "G4KaonMinus.hh" |
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69 | #include "G4KaonPlus.hh" |
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70 | #include "G4NeutrinoMu.hh" |
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71 | #include "G4AntiNeutrinoMu.hh" |
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72 | #include "G4Lambda.hh" |
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73 | |
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74 | #include "G4ParticleDefinition.hh" |
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75 | |
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76 | #include "G4VDecayChannel.hh" |
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77 | #include "G4DecayTable.hh" |
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78 | |
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79 | #include "G4KineticTrack.hh" |
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80 | #include "G4KineticTrackVector.hh" |
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81 | |
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82 | #include "G4ParticleTable.hh" |
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83 | #include "G4VShortLivedParticle.hh" |
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84 | #include "G4ShortLivedConstructor.hh" |
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85 | #include "G4ShortLivedTable.hh" |
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86 | |
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87 | #include "G4VCrossSectionSource.hh" |
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88 | #include "G4XAqmElastic.hh" |
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89 | #include "G4XNNTotalLowE.hh" |
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90 | #include "G4XPDGTotal.hh" |
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91 | #include "G4XNNTotal.hh" |
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92 | #include "G4XPDGElastic.hh" |
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93 | |
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94 | #include "G4VXResonanceTable.hh" |
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95 | |
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96 | #include "G4XResonance.hh" |
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97 | #include "G4XDeltaDeltaToNN.hh" |
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98 | #include "G4XDeltaDeltaToNDelta.hh" |
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99 | #include "G4XNDeltaToNN.hh" |
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100 | #include "G4XNDeltaToDeltaDelta.hh" |
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101 | |
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102 | int main() |
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103 | { |
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104 | // MGP ---- HBOOK initialization |
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105 | HepTupleManager* hbookManager; |
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106 | hbookManager = new HBookFile("xresonance.hbook", 58); |
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107 | assert (hbookManager != 0); |
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108 | |
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109 | // MGP ---- Book histograms |
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110 | |
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111 | HepHistogram* hSigma; |
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112 | hSigma = hbookManager->histogram("CrossSection", 100,0.,10.); |
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113 | assert (hSigma != 0); |
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114 | |
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115 | // MGP ---- Book a ntuple |
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116 | HepTuple* ntuple; |
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117 | ntuple = hbookManager->ntuple("CrossSection ntuple"); |
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118 | assert (ntuple != 0); |
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119 | |
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120 | G4ParticleDefinition* gamma = G4Gamma::GammaDefinition(); |
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121 | |
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122 | G4ParticleDefinition* proton = G4Proton::ProtonDefinition(); |
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123 | G4ParticleDefinition* antiProton = G4AntiProton::AntiProtonDefinition(); |
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124 | G4ParticleDefinition* neutron = G4Neutron::NeutronDefinition(); |
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125 | G4ParticleDefinition* antiNeutron = G4AntiNeutron::AntiNeutronDefinition(); |
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126 | |
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127 | G4ParticleDefinition* pionPlus = G4PionPlus::PionPlusDefinition(); |
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128 | G4ParticleDefinition* pionMinus = G4PionMinus::PionMinusDefinition(); |
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129 | G4ParticleDefinition* pionZero = G4PionZero::PionZeroDefinition(); |
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130 | |
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131 | G4ParticleDefinition* kaonPlus = G4KaonPlus::KaonPlusDefinition(); |
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132 | G4ParticleDefinition* kaonMinus = G4KaonMinus::KaonMinusDefinition(); |
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133 | |
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134 | G4ParticleDefinition* lambda = G4Lambda::LambdaDefinition(); |
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135 | |
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136 | G4ParticleDefinition* theMuonPlus = G4MuonPlus::MuonPlusDefinition(); |
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137 | G4ParticleDefinition* theMuonMinus = G4MuonMinus::MuonMinusDefinition(); |
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138 | |
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139 | G4ParticleDefinition* theNeutrinoMu = G4NeutrinoMu::NeutrinoMuDefinition(); |
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140 | G4ParticleDefinition* theAntiNeutrinoMu = G4AntiNeutrinoMu::AntiNeutrinoMuDefinition(); |
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141 | |
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142 | G4ShortLivedConstructor ShortLived; |
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143 | ShortLived.ConstructParticle(); |
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144 | |
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145 | |
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146 | // N1440 |
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147 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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148 | G4ParticleDefinition* N1440Zero = particleTable->FindParticle("N(1440)0"); |
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149 | G4cout << N1440Zero->GetParticleName() << " created, type is " |
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150 | << N1440Zero->GetParticleType() << G4endl; |
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151 | G4ParticleDefinition* N1440Plus = particleTable->FindParticle("N(1440)+"); |
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152 | G4cout << N1440Plus->GetParticleName() << " created, type is " |
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153 | << N1440Plus->GetParticleType() << G4endl; |
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154 | |
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155 | // Delta |
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156 | G4ParticleDefinition* deltaPlus = particleTable->FindParticle("delta+"); |
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157 | G4cout << deltaPlus->GetParticleName() << " created, type is " |
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158 | << deltaPlus->GetParticleType() << G4endl; |
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159 | G4String name = N1440Plus->GetParticleName(); |
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160 | |
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161 | // Select track 1 |
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162 | |
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163 | G4ParticleDefinition* definition1 = proton; |
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164 | G4KineticTrack trk1; |
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165 | G4double mass1 = definition1->GetPDGMass(); |
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166 | |
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167 | // Formation time |
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168 | G4double time1 = 0.; |
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169 | // G4cout << "Formation time (ns)" << G4endl; |
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170 | // G4cin >> time1; |
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171 | // if (time1 < 0.) time1 = 0.; |
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172 | // time1 = time1 * ns; |
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173 | |
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174 | // Initial position |
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175 | G4double x1 = 0.; |
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176 | G4double y1 = 0.; |
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177 | G4double z1 = 0.; |
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178 | // G4cout <<"Initial position (cm) " << G4endl; |
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179 | // G4cin >> x1 >> y1 >> z1; |
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180 | G4ThreeVector position1(x1*cm, y1*cm, z1*cm); |
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181 | |
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182 | // Momentum |
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183 | G4double pzMin1; |
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184 | |
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185 | G4double pzMax1; |
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186 | G4cout << "Pz min and max (GeV)" << G4endl; |
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187 | G4cin >> pzMin1 >> pzMax1; |
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188 | pzMin1 = pzMin1 * GeV; |
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189 | pzMax1 = pzMax1 * GeV; |
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190 | |
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191 | // Select track 2 |
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192 | |
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193 | G4ParticleDefinition* definition2 = deltaPlus; |
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194 | G4KineticTrack trk2; |
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195 | |
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196 | G4double mass2 = definition2->GetPDGMass(); |
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197 | |
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198 | // Formation time |
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199 | G4double time2 = 0.; |
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200 | // G4cout << "Formation time (ns)" << G4endl; |
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201 | // G4cin >> time2; |
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202 | // if (time2 < 0.) time2 = 0.; |
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203 | // time2 = time2 * ns; |
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204 | |
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205 | // Initial position |
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206 | G4double x2 = 0.; |
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207 | G4double y2 = 0.; |
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208 | G4double z2 = 0.; |
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209 | // G4cout <<"Initial position (cm) " << G4endl; |
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210 | // G4cin >> x2 >> y2 >> z2; |
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211 | G4ThreeVector position2(x2*cm, y2*cm, z2*cm); |
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212 | |
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213 | // Momentum |
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214 | G4double pzMin2; |
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215 | G4double pzMax2; |
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216 | G4cout << "Pz min and max (GeV)" << G4endl; |
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217 | G4cin >> pzMin2 >> pzMax2; |
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218 | pzMin2 = pzMin2 * GeV; |
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219 | pzMax2 = pzMax2 * GeV; |
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220 | |
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221 | |
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222 | // Create the ResonanceCrossSection |
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223 | |
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224 | // G4VCrossSectionSource* source = new G4XDeltaDeltaToNDelta(definition1,definition2, |
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225 | // deltaPlus,N1440Plus); |
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226 | |
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227 | // G4VCrossSectionSource* source = new G4XDeltaDeltaToNN(definition1,definition1, |
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228 | // proton,proton); |
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229 | |
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230 | G4VCrossSectionSource* source = new G4XNDeltaToNN(proton,definition2, |
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231 | proton,proton); |
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232 | |
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233 | G4cout << "***** " << source->Name() << "***** created " << G4endl; |
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234 | source->Print(); |
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235 | |
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236 | // Number of iterations |
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237 | G4int n = 0; |
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238 | G4cout << "---- Number of iterations ----" << G4endl; |
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239 | G4cin >> n; |
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240 | if (n < 1) n = 1; |
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241 | |
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242 | G4double step1 = (pzMax1 - pzMin1) / n; |
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243 | G4double step2 = (pzMax2 - pzMin2) / n; |
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244 | |
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245 | G4cout << "pz min max step " |
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246 | << pzMin1 / GeV << ", " |
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247 | << pzMax1 / GeV << ", " |
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248 | << step1 / GeV << ", " << G4endl |
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249 | << "pz min max step " |
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250 | << pzMin2 / GeV << ", " |
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251 | << pzMax2 / GeV << ", " |
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252 | << step2 / GeV << G4endl; |
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253 | |
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254 | G4int i; |
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255 | for (i=0; i<n; i++) |
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256 | { |
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257 | G4double pStep1 = pzMin1 + step1 * i; |
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258 | G4ThreeVector p1(0.,0.,pStep1); |
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259 | G4double e1 = sqrt(mass1*mass1 + p1.mag()*p1.mag()); |
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260 | G4LorentzVector p41(p1,e1); |
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261 | |
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262 | G4KineticTrack trk1(definition1,time1,position1,p41); |
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263 | |
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264 | G4double pStep2 = -(pzMin2 + step2 * i); |
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265 | G4ThreeVector p2(0.,0.,pStep2); |
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266 | G4double e2 = sqrt(mass2*mass2 + p2.mag()*p2.mag()); |
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267 | G4LorentzVector p42(p2,e2); |
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268 | G4KineticTrack trk2(definition2,time2,position2,p42); |
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269 | |
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270 | G4double sqrtS = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag(); |
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271 | |
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272 | G4double sigma = source->CrossSection(trk1,trk2); |
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273 | |
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274 | G4bool dummy = false; |
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275 | |
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276 | G4cout << definition1->GetParticleName() << " " << definition2->GetParticleName() |
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277 | << " cross section = " << sigma / millibarn << G4endl; |
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278 | |
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279 | // ntuple->column("ecm",sqrtS/GeV); |
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280 | // ntuple->column("sigma",sigma/millibarn); |
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281 | // ntuple->dumpData(); |
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282 | } |
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283 | |
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284 | |
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285 | hbookManager->write(); |
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286 | |
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287 | delete source; |
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288 | |
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289 | return EXIT_SUCCESS; |
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290 | } |
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291 | |
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292 | |
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