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 | // $Id: RunAction.cc,v 1.25 2007/11/21 17:41:19 maire Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-01-patch-02 $ |
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28 | // |
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29 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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31 | |
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32 | #include "RunAction.hh" |
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33 | #include "DetectorConstruction.hh" |
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34 | #include "PrimaryGeneratorAction.hh" |
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35 | #include "HistoManager.hh" |
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36 | |
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37 | #include "G4Run.hh" |
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38 | #include "G4RunManager.hh" |
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39 | #include "G4UnitsTable.hh" |
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40 | #include "G4EmCalculator.hh" |
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41 | |
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42 | #include "Randomize.hh" |
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43 | #include <iomanip> |
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44 | |
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45 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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46 | |
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47 | RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* kin, |
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48 | HistoManager* histo) |
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49 | :detector(det), primary(kin), histoManager(histo) |
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50 | { } |
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51 | |
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52 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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53 | |
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54 | RunAction::~RunAction() |
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55 | { } |
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56 | |
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57 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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58 | |
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59 | void RunAction::BeginOfRunAction(const G4Run* aRun) |
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60 | { |
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61 | G4cout << "### Run " << aRun->GetRunID() << " start." << G4endl; |
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62 | |
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63 | //initialisation |
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64 | EnergyDeposit = EnergyDeposit2 = 0.; |
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65 | TrakLenCharged = TrakLenCharged2 = 0.; |
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66 | TrakLenNeutral = TrakLenNeutral2 = 0.; |
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67 | nbStepsCharged = nbStepsCharged2 = 0.; |
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68 | nbStepsNeutral = nbStepsNeutral2 = 0.; |
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69 | MscProjecTheta = MscProjecTheta2 = 0.; |
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70 | MscThetaCentral = 3*ComputeMscHighland(); |
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71 | |
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72 | nbGamma = nbElect = nbPosit = 0; |
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73 | |
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74 | Transmit[0] = Transmit[1] = Reflect[0] = Reflect[1] = 0; |
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75 | |
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76 | MscEntryCentral = 0; |
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77 | |
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78 | EnergyLeak[0] = EnergyLeak[1] = EnergyLeak2[0] = EnergyLeak2[1] = 0.; |
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79 | |
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80 | histoManager->book(); |
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81 | |
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82 | // save Rndm status |
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83 | G4RunManager::GetRunManager()->SetRandomNumberStore(true); |
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84 | CLHEP::HepRandom::showEngineStatus(); |
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85 | } |
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86 | |
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87 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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88 | |
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89 | void RunAction::EndOfRunAction(const G4Run* aRun) |
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90 | { |
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91 | // compute mean and rms |
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92 | // |
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93 | G4int TotNbofEvents = aRun->GetNumberOfEvent(); |
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94 | if (TotNbofEvents == 0) return; |
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95 | |
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96 | G4double EnergyBalance = EnergyDeposit + EnergyLeak[0] + EnergyLeak[1]; |
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97 | EnergyBalance /= TotNbofEvents; |
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98 | |
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99 | EnergyDeposit /= TotNbofEvents; EnergyDeposit2 /= TotNbofEvents; |
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100 | G4double rmsEdep = EnergyDeposit2 - EnergyDeposit*EnergyDeposit; |
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101 | if (rmsEdep>0.) rmsEdep = std::sqrt(rmsEdep/TotNbofEvents); |
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102 | else rmsEdep = 0.; |
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103 | |
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104 | TrakLenCharged /= TotNbofEvents; TrakLenCharged2 /= TotNbofEvents; |
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105 | G4double rmsTLCh = TrakLenCharged2 - TrakLenCharged*TrakLenCharged; |
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106 | if (rmsTLCh>0.) rmsTLCh = std::sqrt(rmsTLCh/TotNbofEvents); |
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107 | else rmsTLCh = 0.; |
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108 | |
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109 | TrakLenNeutral /= TotNbofEvents; TrakLenNeutral2 /= TotNbofEvents; |
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110 | G4double rmsTLNe = TrakLenNeutral2 - TrakLenNeutral*TrakLenNeutral; |
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111 | if (rmsTLNe>0.) rmsTLNe = std::sqrt(rmsTLNe/TotNbofEvents); |
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112 | else rmsTLNe = 0.; |
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113 | |
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114 | nbStepsCharged /= TotNbofEvents; nbStepsCharged2 /= TotNbofEvents; |
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115 | G4double rmsStCh = nbStepsCharged2 - nbStepsCharged*nbStepsCharged; |
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116 | if (rmsStCh>0.) rmsStCh = std::sqrt(rmsTLCh/TotNbofEvents); |
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117 | else rmsStCh = 0.; |
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118 | |
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119 | nbStepsNeutral /= TotNbofEvents; nbStepsNeutral2 /= TotNbofEvents; |
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120 | G4double rmsStNe = nbStepsNeutral2 - nbStepsNeutral*nbStepsNeutral; |
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121 | if (rmsStNe>0.) rmsStNe = std::sqrt(rmsTLCh/TotNbofEvents); |
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122 | else rmsStNe = 0.; |
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123 | |
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124 | G4double Gamma = (double)nbGamma/TotNbofEvents; |
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125 | G4double Elect = (double)nbElect/TotNbofEvents; |
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126 | G4double Posit = (double)nbPosit/TotNbofEvents; |
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127 | |
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128 | G4double transmit[2]; |
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129 | transmit[0] = 100.*Transmit[0]/TotNbofEvents; |
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130 | transmit[1] = 100.*Transmit[1]/TotNbofEvents; |
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131 | |
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132 | G4double reflect[2]; |
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133 | reflect[0] = 100.*Reflect[0]/TotNbofEvents; |
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134 | reflect[1] = 100.*Reflect[1]/TotNbofEvents; |
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135 | |
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136 | G4double rmsMsc = 0., tailMsc = 0.; |
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137 | if (MscEntryCentral > 0) { |
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138 | MscProjecTheta /= MscEntryCentral; MscProjecTheta2 /= MscEntryCentral; |
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139 | rmsMsc = MscProjecTheta2 - MscProjecTheta*MscProjecTheta; |
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140 | if (rmsMsc > 0.) rmsMsc = std::sqrt(rmsMsc); |
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141 | tailMsc = 100.- (100.*MscEntryCentral)/(2*Transmit[1]); |
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142 | } |
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143 | |
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144 | EnergyLeak[0] /= TotNbofEvents; EnergyLeak2[0] /= TotNbofEvents; |
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145 | G4double rmsEl0 = EnergyLeak2[0] - EnergyLeak[0]*EnergyLeak[0]; |
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146 | if (rmsEl0>0.) rmsEl0 = std::sqrt(rmsEl0/TotNbofEvents); |
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147 | else rmsEl0 = 0.; |
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148 | |
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149 | EnergyLeak[1] /= TotNbofEvents; EnergyLeak2[1] /= TotNbofEvents; |
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150 | G4double rmsEl1 = EnergyLeak2[1] - EnergyLeak[1]*EnergyLeak[1]; |
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151 | if (rmsEl1>0.) rmsEl1 = std::sqrt(rmsEl1/TotNbofEvents); |
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152 | else rmsEl1 = 0.; |
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153 | |
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154 | |
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155 | //Stopping Power from input Table. |
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156 | // |
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157 | G4Material* material = detector->GetAbsorberMaterial(); |
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158 | G4double length = detector->GetAbsorberThickness(); |
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159 | G4double density = material->GetDensity(); |
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160 | |
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161 | G4ParticleDefinition* particle = primary->GetParticleGun() |
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162 | ->GetParticleDefinition(); |
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163 | G4String partName = particle->GetParticleName(); |
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164 | G4double energy = primary->GetParticleGun()->GetParticleEnergy(); |
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165 | |
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166 | G4EmCalculator emCalculator; |
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167 | G4double dEdxTable = 0., dEdxFull = 0.; |
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168 | if (particle->GetPDGCharge()!= 0.) { |
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169 | dEdxTable = emCalculator.GetDEDX(energy,particle,material); |
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170 | dEdxFull = emCalculator.ComputeTotalDEDX(energy,particle,material); |
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171 | } |
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172 | G4double stopTable = dEdxTable/density; |
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173 | G4double stopFull = dEdxFull /density; |
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174 | |
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175 | //Stopping Power from simulation. |
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176 | // |
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177 | G4double meandEdx = EnergyDeposit/length; |
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178 | G4double stopPower = meandEdx/density; |
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179 | |
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180 | G4cout << "\n ======================== run summary ======================\n"; |
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181 | |
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182 | G4int prec = G4cout.precision(3); |
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183 | |
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184 | G4cout << "\n The run was " << TotNbofEvents << " " << partName << " of " |
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185 | << G4BestUnit(energy,"Energy") << " through " |
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186 | << G4BestUnit(length,"Length") << " of " |
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187 | << material->GetName() << " (density: " |
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188 | << G4BestUnit(density,"Volumic Mass") << ")" << G4endl; |
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189 | |
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190 | G4cout.precision(4); |
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191 | |
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192 | G4cout << "\n Total energy deposit in absorber per event = " |
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193 | << G4BestUnit(EnergyDeposit,"Energy") << " +- " |
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194 | << G4BestUnit(rmsEdep, "Energy") |
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195 | << G4endl; |
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196 | |
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197 | G4cout << "\n -----> Mean dE/dx = " << meandEdx/(MeV/cm) << " MeV/cm" |
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198 | << "\t(" << stopPower/(MeV*cm2/g) << " MeV*cm2/g)" |
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199 | << G4endl; |
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200 | |
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201 | G4cout << "\n From formulas :" << G4endl; |
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202 | G4cout << " restricted dEdx = " << dEdxTable/(MeV/cm) << " MeV/cm" |
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203 | << "\t(" << stopTable/(MeV*cm2/g) << " MeV*cm2/g)" |
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204 | << G4endl; |
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205 | |
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206 | G4cout << " full dEdx = " << dEdxFull/(MeV/cm) << " MeV/cm" |
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207 | << "\t(" << stopFull/(MeV*cm2/g) << " MeV*cm2/g)" |
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208 | << G4endl; |
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209 | |
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210 | G4cout << "\n Leakage : primary = " |
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211 | << G4BestUnit(EnergyLeak[0],"Energy") << " +- " |
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212 | << G4BestUnit(rmsEl0, "Energy") |
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213 | << " secondaries = " |
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214 | << G4BestUnit(EnergyLeak[1],"Energy") << " +- " |
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215 | << G4BestUnit(rmsEl1, "Energy") |
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216 | << G4endl; |
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217 | |
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218 | G4cout << " Energy balance : edep + eleak = " |
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219 | << G4BestUnit(EnergyBalance,"Energy") |
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220 | << G4endl; |
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221 | |
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222 | G4cout << "\n Total track length (charged) in absorber per event = " |
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223 | << G4BestUnit(TrakLenCharged,"Length") << " +- " |
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224 | << G4BestUnit(rmsTLCh, "Length") << G4endl; |
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225 | |
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226 | G4cout << " Total track length (neutral) in absorber per event = " |
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227 | << G4BestUnit(TrakLenNeutral,"Length") << " +- " |
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228 | << G4BestUnit(rmsTLNe, "Length") << G4endl; |
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229 | |
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230 | G4cout << "\n Number of steps (charged) in absorber per event = " |
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231 | << nbStepsCharged << " +- " << rmsStCh << G4endl; |
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232 | |
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233 | G4cout << " Number of steps (neutral) in absorber per event = " |
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234 | << nbStepsNeutral << " +- " << rmsStNe << G4endl; |
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235 | |
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236 | G4cout << "\n Number of secondaries per event : Gammas = " << Gamma |
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237 | << "; electrons = " << Elect |
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238 | << "; positrons = " << Posit << G4endl; |
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239 | |
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240 | G4cout << "\n Number of events with the primary particle transmitted = " |
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241 | << transmit[1] << " %" << G4endl; |
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242 | |
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243 | G4cout << " Number of events with at least 1 particle transmitted " |
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244 | << "(same charge as primary) = " << transmit[0] << " %" << G4endl; |
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245 | |
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246 | G4cout << "\n Number of events with the primary particle reflected = " |
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247 | << reflect[1] << " %" << G4endl; |
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248 | |
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249 | G4cout << " Number of events with at least 1 particle reflected " |
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250 | << "(same charge as primary) = " << reflect[0] << " %" << G4endl; |
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251 | |
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252 | // compute width of the Gaussian central part of the MultipleScattering |
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253 | // |
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254 | if (histoManager->HistoExist(13)) { |
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255 | G4cout << "\n MultipleScattering:" |
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256 | << "\n rms proj angle of transmit primary particle = " |
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257 | << rmsMsc/mrad << " mrad (central part only)" << G4endl; |
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258 | |
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259 | G4cout << " computed theta0 (Highland formula) = " |
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260 | << ComputeMscHighland()/mrad << " mrad" << G4endl; |
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261 | |
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262 | G4cout << " central part defined as +- " |
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263 | << MscThetaCentral/mrad << " mrad; " |
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264 | << " Tail ratio = " << tailMsc << " %" << G4endl; |
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265 | } |
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266 | |
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267 | G4cout.precision(prec); |
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268 | |
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269 | histoManager->save(); |
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270 | |
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271 | // show Rndm status |
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272 | CLHEP::HepRandom::showEngineStatus(); |
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273 | } |
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274 | |
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275 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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276 | |
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277 | G4double RunAction::ComputeMscHighland() |
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278 | { |
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279 | //compute the width of the Gaussian central part of the MultipleScattering |
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280 | //projected angular distribution. |
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281 | //Eur. Phys. Jour. C15 (2000) page 166, formule 23.9 |
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282 | |
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283 | G4double t = (detector->GetAbsorberThickness()) |
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284 | /(detector->GetAbsorberMaterial()->GetRadlen()); |
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285 | if (t < DBL_MIN) return 0.; |
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286 | |
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287 | G4ParticleGun* particle = primary->GetParticleGun(); |
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288 | G4double T = particle->GetParticleEnergy(); |
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289 | G4double M = particle->GetParticleDefinition()->GetPDGMass(); |
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290 | G4double z = std::abs(particle->GetParticleDefinition()->GetPDGCharge()/eplus); |
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291 | |
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292 | G4double bpc = T*(T+2*M)/(T+M); |
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293 | G4double teta0 = 13.6*MeV*z*std::sqrt(t)*(1.+0.038*std::log(t))/bpc; |
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294 | return teta0; |
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295 | } |
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296 | |
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297 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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