[1199] | 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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| 271 | |
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