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: G4DNAProcessTest.cc,v 1.6 2007/10/15 09:00:55 pia Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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29 | // |
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30 | /// |
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31 | // ------------------------------------------------------------------- |
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32 | // Author: Maria Grazia Pia |
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33 | // |
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34 | // Creation date: 6 August 2001 |
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35 | // |
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36 | // Modifications: |
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37 | // |
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38 | // ------------------------------------------------------------------- |
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39 | |
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40 | #include "globals.hh" |
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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 | |
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45 | #include "G4ParticleDefinition.hh" |
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46 | #include "G4ParticleTypes.hh" |
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47 | //#include "G4ParticleTable.hh" |
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48 | #include "G4ParticleMomentum.hh" |
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49 | #include "G4DynamicParticle.hh" |
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50 | #include "G4ThreeVector.hh" |
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51 | #include "G4Track.hh" |
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52 | #include "G4SystemOfUnits.hh" |
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53 | |
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54 | #include "G4Material.hh" |
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55 | #include "G4ProcessManager.hh" |
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56 | #include "G4VParticleChange.hh" |
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57 | #include "G4ParticleChange.hh" |
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58 | #include "G4PVPlacement.hh" |
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59 | #include "G4Step.hh" |
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60 | #include "G4GRSVolume.hh" |
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61 | #include "G4Box.hh" |
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62 | #include "G4PVPlacement.hh" |
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63 | |
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64 | #include "G4CrossSectionElasticScreenedRutherford.hh" |
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65 | #include "G4FinalStateElasticScreenedRutherford.hh" |
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66 | #include "G4FinalStateElasticBrennerZaider.hh" |
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67 | |
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68 | #include "G4CrossSectionExcitationEmfietzoglou.hh" |
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69 | #include "G4FinalStateExcitationEmfietzoglou.hh" |
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70 | |
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71 | #include "G4CrossSectionExcitationBorn.hh" |
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72 | #include "G4FinalStateExcitationBorn.hh" |
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73 | |
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74 | #include "G4FinalStateProduct.hh" |
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75 | #include "G4DummyFinalState.hh" |
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76 | #include "G4DNAProcess.hh" |
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77 | |
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78 | //typedef G4DNAProcess<G4eCrossSectionScreenedRutherford,G4DummyFinalState> G4MyProcess; |
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79 | |
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80 | //typedef G4DNAProcess<G4CrossSectionElasticScreenedRutherford,G4FinalStateElasticScreenedRutherford> G4MyProcess; |
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81 | |
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82 | //typedef G4DNAProcess<G4CrossSectionElasticScreenedRutherford,G4FinalStateElasticBrennerZaider> G4MyProcess; |
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83 | |
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84 | //typedef G4DNAProcess<G4CrossSectionExcitationEmfietzoglou,G4FinalStateExcitationEmfietzoglou> G4MyProcess; |
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85 | |
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86 | typedef G4DNAProcess<G4CrossSectionExcitationBorn,G4FinalStateExcitationBorn> G4MyProcess; |
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87 | |
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88 | int main() |
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89 | { |
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90 | // G4cout.setf( ios::scientific, ios::floatfield ); |
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91 | |
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92 | G4MyProcess* process = new G4MyProcess; |
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93 | |
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94 | |
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95 | // Particle definitions |
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96 | G4ParticleDefinition* electron = G4Electron::ElectronDefinition(); |
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97 | G4ParticleDefinition* proton = G4Proton::ProtonDefinition(); |
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98 | |
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99 | // Create a DynamicParticle |
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100 | |
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101 | G4double initX = 0.; |
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102 | G4double initY = 0.; |
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103 | G4double initZ = 1.; |
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104 | |
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105 | G4ParticleMomentum direction(initX,initY,initZ); |
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106 | |
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107 | |
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108 | G4cout << "Enter energy in keV" << G4endl; |
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109 | G4double energy; |
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110 | G4cin >> energy; |
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111 | energy = energy * keV; |
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112 | |
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113 | // G4DynamicParticle dynamicParticle(electron,direction,energy); |
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114 | |
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115 | G4DynamicParticle dynamicParticle(proton,direction,energy); |
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116 | |
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117 | // dynamicParticle.DumpInfo(0); |
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118 | |
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119 | |
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120 | // Materials |
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121 | G4Element* H = new G4Element ("Hydrogen", "H", 1. , 1.01*g/mole); |
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122 | G4Element* O = new G4Element ("Oxygen" , "O", 8. , 16.00*g/mole); |
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123 | G4Material* water = new G4Material ("Water" , 1.*g/cm3, 2); |
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124 | water->AddElement(H,2); |
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125 | water->AddElement(O,1); |
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126 | |
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127 | // Dump the material table |
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128 | const G4MaterialTable* materialTable = G4Material::GetMaterialTable(); |
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129 | G4int nMaterials = G4Material::GetNumberOfMaterials(); |
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130 | G4cout << "Available materials are: " << G4endl; |
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131 | for (G4int mat = 0; mat < nMaterials; mat++) |
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132 | { |
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133 | G4cout << mat << ") " |
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134 | << (*materialTable)[mat]->GetName() |
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135 | << G4endl; |
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136 | } |
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137 | |
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138 | G4double dimX = 1 * mm; |
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139 | G4double dimY = 1 * mm; |
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140 | G4double dimZ = 1 * mm; |
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141 | |
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142 | // Geometry |
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143 | |
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144 | G4Box* theFrame = new G4Box ("Frame",dimX, dimY, dimZ); |
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145 | G4LogicalVolume* logicalFrame = new G4LogicalVolume(theFrame, |
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146 | water, |
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147 | "LFrame", 0, 0, 0); |
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148 | logicalFrame->SetMaterial(water); |
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149 | G4PVPlacement* physicalFrame = new G4PVPlacement(0,G4ThreeVector(), |
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150 | "PFrame",logicalFrame,0,false,0); |
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151 | |
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152 | |
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153 | // Track |
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154 | G4ThreeVector position(0.,0.,0.); |
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155 | G4double time = 0. ; |
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156 | |
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157 | G4Track* track = new G4Track(&dynamicParticle,time,position); |
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158 | // Do I really need this? |
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159 | G4GRSVolume* touche = new G4GRSVolume(physicalFrame, 0, position); |
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160 | // track->SetTouchable(touche); |
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161 | |
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162 | G4Step* step = new G4Step(); |
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163 | step->SetTrack(track); |
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164 | |
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165 | G4StepPoint* point = new G4StepPoint(); |
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166 | point->SetPosition(position); |
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167 | point->SetMaterial(water); |
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168 | G4double safety = 10000.*cm; |
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169 | point->SetSafety(safety); |
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170 | step->SetPreStepPoint(point); |
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171 | |
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172 | G4StepPoint* newPoint = new G4StepPoint(); |
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173 | G4ThreeVector newPosition(0.,0.,0.05*mm); |
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174 | newPoint->SetPosition(newPosition); |
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175 | newPoint->SetMaterial(water); |
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176 | step->SetPostStepPoint(newPoint); |
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177 | |
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178 | step->SetStepLength(1*micrometer); |
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179 | |
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180 | track->SetStep(step); |
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181 | |
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182 | |
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183 | // Calculate mean free path and cross section |
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184 | |
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185 | G4ForceCondition* force = new G4ForceCondition; |
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186 | |
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187 | G4double mfp = process->DumpMeanFreePath(*track,0.1,force); |
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188 | G4double cross = 0.; |
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189 | |
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190 | if (mfp > 0.0) cross = 1. / mfp; |
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191 | |
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192 | G4double atomicDensity = 3.34192e+19 / (1./ mm3); |
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193 | |
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194 | cross = cross/atomicDensity; |
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195 | |
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196 | G4cout << "MeanFreePath = " << mfp |
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197 | << " - Inverse mean free path = " << 1./(mfp/um) |
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198 | << " - Cross section = " << cross /(cm*cm) << " cm-2 " |
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199 | << G4endl; |
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200 | |
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201 | G4cout << "Before invoking PostStepDoIt " << G4endl; |
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202 | |
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203 | |
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204 | G4int nTry = 5; |
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205 | |
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206 | for (G4int iTry = 0; iTry < nTry; iTry++) |
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207 | { |
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208 | // Retrieve final state produced |
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209 | G4VParticleChange* particleChange = process->PostStepDoIt(*track,*step); |
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210 | |
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211 | G4int nSecondaries = particleChange->GetNumberOfSecondaries(); |
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212 | |
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213 | G4cout << iTry << ") Number of secondary particles produced = " << nSecondaries << G4endl; |
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214 | |
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215 | for (G4int i = 0; i < nSecondaries; i++) |
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216 | { |
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217 | G4Track* finalParticle = particleChange->GetSecondary(i) ; |
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218 | |
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219 | G4double e = finalParticle->GetTotalEnergy(); |
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220 | G4double eKin = finalParticle->GetKineticEnergy(); |
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221 | G4double px = (finalParticle->GetMomentum()).x(); |
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222 | G4double py = (finalParticle->GetMomentum()).y(); |
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223 | G4double pz = (finalParticle->GetMomentum()).z(); |
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224 | // G4double theta = (finalParticle->GetMomentum()).theta(); |
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225 | // G4double phi = (finalParticle->GetMomentum()).phi(); |
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226 | // G4double p = std::sqrt(px*px+py*py+pz*pz); |
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227 | G4String particleName = finalParticle->GetDefinition()->GetParticleName(); |
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228 | G4cout << "==== Final " |
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229 | << particleName << " " |
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230 | << "energy: " << e/keV << " keV, " |
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231 | << "eKin: " << eKin/keV << " keV, " |
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232 | << "(px,py,pz): (" |
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233 | << px/keV << "," |
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234 | << py/keV << "," |
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235 | << pz/keV << ") keV " |
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236 | << G4endl; |
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237 | } |
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238 | |
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239 | G4ParticleChange* pChange = dynamic_cast<G4ParticleChange*>(particleChange); |
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240 | |
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241 | G4double eFinal = pChange->GetEnergy(); |
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242 | const G4ThreeVector* dirFinal = pChange->GetMomentumDirection(); |
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243 | G4double pX = dirFinal->x(); |
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244 | G4double pY = dirFinal->y(); |
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245 | G4double pZ = dirFinal->z(); |
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246 | |
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247 | G4cout << "==== Final energy: " << eFinal/keV << " keV, " |
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248 | << "Modified direction (px,py,pz): (" |
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249 | << pX << "," |
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250 | << pY << "," |
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251 | << pZ << ") keV " |
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252 | << G4endl; |
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253 | // delete particleChange; |
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254 | } |
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255 | |
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256 | // delete dirFinal; |
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257 | // delete track; |
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258 | // delete step; |
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259 | // delete process; |
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260 | |
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261 | |
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262 | // G4cout << "END OF THE MAIN PROGRAM" << G4endl; |
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263 | } |
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264 | |
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265 | |
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266 | |
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267 | |
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268 | |
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269 | |
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270 | |
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271 | |
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