[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 | // Unit test for coherent elastic models |
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| 28 | // |
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| 29 | // 18.05.07 V. Grichine |
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| 30 | // |
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| 31 | // |
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| 32 | |
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| 33 | #include "G4ios.hh" |
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| 34 | #include <fstream> |
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| 35 | #include <cmath> |
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| 36 | #include "globals.hh" |
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| 37 | #include "Randomize.hh" |
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| 38 | #include "G4UnitsTable.hh" |
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| 39 | #include <iomanip> |
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| 40 | #include <complex> |
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| 41 | |
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| 42 | |
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| 43 | #include "G4Element.hh" |
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| 44 | #include "G4NistManager.hh" |
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| 45 | |
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| 46 | |
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| 47 | #include "G4ParticleDefinition.hh" |
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| 48 | #include "G4PionPlus.hh" |
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| 49 | #include "G4PionMinus.hh" |
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| 50 | #include "G4MuonPlus.hh" |
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| 51 | #include "G4MuonMinus.hh" |
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| 52 | #include "G4Proton.hh" |
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| 53 | #include "G4Electron.hh" |
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| 54 | #include "G4Gamma.hh" |
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| 55 | |
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| 56 | #include "G4DynamicParticle.hh" |
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| 57 | #include "G4ParticleMomentum.hh" |
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| 58 | |
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| 59 | #include "G4VEmModel.hh" |
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| 60 | #include "G4KleinNishinaCompton.hh" |
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| 61 | #include "G4HeatedKleinNishinaCompton.hh" |
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| 62 | #include "G4PEEffectModel.hh" |
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| 63 | |
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| 64 | |
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| 65 | using namespace std; |
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| 66 | |
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| 67 | |
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| 68 | |
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| 69 | int main() |
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| 70 | { |
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| 71 | |
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| 72 | G4int i, j, k, iMax; |
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| 73 | G4double x; |
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| 74 | G4double expXrad=0., g4Xrad; |
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| 75 | |
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| 76 | std::ofstream writef("angle.dat", std::ios::out ) ; |
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| 77 | writef.setf( std::ios::scientific, std::ios::floatfield ); |
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| 78 | |
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| 79 | |
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| 80 | G4Element* theElement; |
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| 81 | G4Material* theMaterial; |
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| 82 | G4NistManager* man = G4NistManager::Instance(); |
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| 83 | man->SetVerbose(1); |
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| 84 | |
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| 85 | G4cout << " 1 hydrogen" << G4endl; |
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| 86 | G4cout << " 2 helium" << G4endl; |
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| 87 | G4cout << " 4 berillium" << G4endl; |
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| 88 | G4cout << " 6 carbon" << G4endl; |
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| 89 | G4cout << " 7 nitrogen" << G4endl; |
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| 90 | G4cout << " 8 oxigen" << G4endl; |
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| 91 | G4cout << "13 aluminium" << G4endl; |
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| 92 | G4cout << "14 silicon" << G4endl; |
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| 93 | G4cout << "18 argon" << G4endl; |
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| 94 | G4cout << "26 iron" << G4endl; |
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| 95 | G4cout << "29 copper" << G4endl; |
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| 96 | G4cout << "48 cadmium" << G4endl; |
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| 97 | G4cout << "54 xenon" << G4endl; |
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| 98 | G4cout << "74 tugnsten" << G4endl; |
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| 99 | G4cout << "77 iridium" << G4endl; |
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| 100 | G4cout << "82 lead" << G4endl; |
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| 101 | G4cout << "92 uranium" << G4endl; |
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| 102 | G4int choice; |
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| 103 | // G4cin >> choice; |
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| 104 | choice = 54; |
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| 105 | |
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| 106 | |
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| 107 | switch (choice) |
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| 108 | { |
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| 109 | case 1: |
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| 110 | |
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| 111 | theElement = man->FindOrBuildElement("H"); |
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| 112 | theMaterial = man->FindOrBuildMaterial("G4_H"); |
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| 113 | g4Xrad = theMaterial->GetRadlen(); |
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| 114 | break; |
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| 115 | |
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| 116 | case 2: |
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| 117 | |
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| 118 | theElement = man->FindOrBuildElement("He"); |
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| 119 | theMaterial = man->FindOrBuildMaterial("G4_He"); |
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| 120 | g4Xrad = theMaterial->GetRadlen(); |
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| 121 | break; |
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| 122 | |
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| 123 | case 4: |
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| 124 | |
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| 125 | theElement = man->FindOrBuildElement("Be"); |
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| 126 | theMaterial = man->FindOrBuildMaterial("G4_Be"); |
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| 127 | g4Xrad = theMaterial->GetRadlen(); |
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| 128 | break; |
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| 129 | |
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| 130 | case 6: |
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| 131 | |
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| 132 | theElement = man->FindOrBuildElement("C"); |
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| 133 | theMaterial = man->FindOrBuildMaterial("G4_C"); |
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| 134 | g4Xrad = theMaterial->GetRadlen(); |
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| 135 | expXrad = 19.6*cm; |
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| 136 | break; |
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| 137 | |
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| 138 | case 7: |
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| 139 | |
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| 140 | theElement = man->FindOrBuildElement("N"); |
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| 141 | theMaterial = man->FindOrBuildMaterial("G4_N"); |
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| 142 | g4Xrad = theMaterial->GetRadlen(); |
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| 143 | break; |
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| 144 | |
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| 145 | |
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| 146 | case 8: |
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| 147 | |
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| 148 | theElement = man->FindOrBuildElement("O"); |
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| 149 | theMaterial = man->FindOrBuildMaterial("G4_O"); |
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| 150 | g4Xrad = theMaterial->GetRadlen(); |
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| 151 | break; |
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| 152 | |
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| 153 | case 13: |
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| 154 | |
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| 155 | theElement = man->FindOrBuildElement("Al"); |
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| 156 | theMaterial = man->FindOrBuildMaterial("G4_Al"); |
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| 157 | g4Xrad = theMaterial->GetRadlen(); |
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| 158 | expXrad = 8.9*cm; |
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| 159 | break; |
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| 160 | |
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| 161 | case 14: |
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| 162 | |
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| 163 | theElement = man->FindOrBuildElement("Si"); |
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| 164 | theMaterial = man->FindOrBuildMaterial("G4_Si"); |
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| 165 | g4Xrad = theMaterial->GetRadlen(); |
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| 166 | break; |
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| 167 | |
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| 168 | case 18: |
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| 169 | |
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| 170 | theElement = man->FindOrBuildElement("Ar"); |
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| 171 | theMaterial = man->FindOrBuildMaterial("G4_Ar"); |
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| 172 | break; |
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| 173 | |
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| 174 | case 26: |
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| 175 | |
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| 176 | theElement = man->FindOrBuildElement("Fe"); |
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| 177 | theMaterial = man->FindOrBuildMaterial("G4_Fe"); |
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| 178 | g4Xrad = theMaterial->GetRadlen(); |
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| 179 | expXrad = 1.76*cm; |
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| 180 | break; |
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| 181 | |
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| 182 | case 29: |
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| 183 | |
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| 184 | theElement = man->FindOrBuildElement("Cu"); |
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| 185 | theMaterial = man->FindOrBuildMaterial("G4_Cu"); |
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| 186 | g4Xrad = theMaterial->GetRadlen(); |
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| 187 | break; |
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| 188 | |
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| 189 | case 48: |
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| 190 | |
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| 191 | theElement = man->FindOrBuildElement("Cd"); |
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| 192 | theMaterial = man->FindOrBuildMaterial("G4_Cd"); |
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| 193 | g4Xrad = theMaterial->GetRadlen(); |
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| 194 | break; |
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| 195 | |
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| 196 | |
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| 197 | case 54: |
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| 198 | |
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| 199 | theElement = man->FindOrBuildElement("Xe"); |
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| 200 | theMaterial = man->FindOrBuildMaterial("G4_Xe"); |
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| 201 | g4Xrad = theMaterial->GetRadlen(); |
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| 202 | break; |
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| 203 | |
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| 204 | |
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| 205 | case 74: |
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| 206 | |
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| 207 | theElement = man->FindOrBuildElement("W"); |
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| 208 | theMaterial = man->FindOrBuildMaterial("G4_W"); |
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| 209 | g4Xrad = theMaterial->GetRadlen(); |
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| 210 | expXrad = 0.35*cm; |
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| 211 | break; |
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| 212 | |
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| 213 | case 77: |
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| 214 | |
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| 215 | theElement = man->FindOrBuildElement("Ir"); |
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| 216 | theMaterial = man->FindOrBuildMaterial("G4_Ir"); |
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| 217 | g4Xrad = theMaterial->GetRadlen(); |
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| 218 | break; |
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| 219 | |
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| 220 | case 82: |
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| 221 | |
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| 222 | theElement = man->FindOrBuildElement("Pb"); |
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| 223 | theMaterial = man->FindOrBuildMaterial("G4_Pb"); |
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| 224 | g4Xrad = theMaterial->GetRadlen(); |
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| 225 | expXrad = 0.56*cm; |
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| 226 | break; |
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| 227 | |
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| 228 | case 92: |
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| 229 | |
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| 230 | theElement = man->FindOrBuildElement("U"); |
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| 231 | theMaterial = man->FindOrBuildMaterial("G4_U"); |
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| 232 | g4Xrad = theMaterial->GetRadlen(); |
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| 233 | expXrad = 0.35*cm; |
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| 234 | break; |
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| 235 | } |
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| 236 | |
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| 237 | // Particle definition |
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| 238 | |
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| 239 | |
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| 240 | G4cout << " 0 gamma" << G4endl; |
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| 241 | G4cout << " 1 electron" << G4endl; |
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| 242 | G4cout << " 2 proton" << G4endl; |
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| 243 | G4cout << " 3 pion+" << G4endl; |
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| 244 | G4cout << " 4 pion-" << G4endl; |
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| 245 | G4cout << " 4 muon+" << G4endl; |
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| 246 | G4cout << " 5 muon-" << G4endl; |
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| 247 | |
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| 248 | // G4cin >> choice; |
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| 249 | choice = 0; |
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| 250 | |
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| 251 | G4ParticleDefinition* theParticleDefinition; |
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| 252 | |
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| 253 | |
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| 254 | switch (choice) |
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| 255 | { |
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| 256 | case 0: |
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| 257 | |
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| 258 | theParticleDefinition = G4Gamma::GammaDefinition(); |
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| 259 | break; |
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| 260 | |
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| 261 | case 1: |
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| 262 | |
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| 263 | theParticleDefinition = G4Electron::ElectronDefinition(); |
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| 264 | break; |
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| 265 | |
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| 266 | case 2: |
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| 267 | |
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| 268 | theParticleDefinition = G4Proton::ProtonDefinition(); |
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| 269 | break; |
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| 270 | |
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| 271 | case 3: |
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| 272 | |
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| 273 | theParticleDefinition = G4PionPlus::PionPlusDefinition(); |
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| 274 | break; |
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| 275 | |
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| 276 | case 4: |
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| 277 | |
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| 278 | theParticleDefinition = G4PionMinus::PionMinusDefinition(); |
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| 279 | break; |
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| 280 | |
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| 281 | case 5: |
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| 282 | |
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| 283 | theParticleDefinition = G4MuonPlus::MuonPlusDefinition(); |
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| 284 | break; |
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| 285 | |
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| 286 | case 6: |
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| 287 | |
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| 288 | theParticleDefinition = G4MuonMinus::MuonMinusDefinition(); |
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| 289 | break; |
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| 290 | |
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| 291 | } |
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| 292 | |
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| 293 | G4double energyMscXR, xsc, kinEnergy; |
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| 294 | |
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| 295 | |
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| 296 | // kinEnergy = 8*GeV; // 25.0*GeV; |
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| 297 | |
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| 298 | kinEnergy = 25.0*GeV; |
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| 299 | |
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| 300 | // G4VEmModel* comp = new G4KleinNishinaCompton(); |
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| 301 | G4VEmModel* comp = new G4HeatedKleinNishinaCompton(); |
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| 302 | G4VEmModel* photo = new G4PEEffectModel(); |
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| 303 | |
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| 304 | |
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| 305 | G4DynamicParticle* theDynamicParticle = new G4DynamicParticle(theParticleDefinition, |
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| 306 | G4ParticleMomentum(0.,0.,1.), |
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| 307 | kinEnergy); |
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| 308 | |
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| 309 | G4double m1 = theParticleDefinition->GetPDGMass(); |
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| 310 | G4double plab = theDynamicParticle->GetTotalMomentum(); |
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| 311 | G4cout <<"lab momentum, plab = "<<plab/GeV<<" GeV"<<G4endl; |
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| 312 | G4double plabLowLimit = 20.0*MeV; |
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| 313 | |
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| 314 | G4int Z = G4int(theElement->GetZ()); |
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| 315 | G4int A = G4int(theElement->GetN()+0.5); |
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| 316 | |
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| 317 | G4double step = 4.10*mm; |
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| 318 | |
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| 319 | step = expXrad; |
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| 320 | |
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| 321 | G4double m2 = man->GetAtomicMassAmu(Z)*GeV; |
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| 322 | // G4double m2 = man->GetAtomicMass( Z, A); |
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| 323 | G4cout <<" target mass, m2 = "<<m2/GeV<<" GeV"<<G4endl<<G4endl; |
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| 324 | G4cout <<"step = "<<step<<" mm; g4Xrad = "<<g4Xrad<<" mm; expXrad = " |
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| 325 | <<expXrad<<" mm"<<G4endl<<G4endl; |
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| 326 | |
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| 327 | |
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| 328 | |
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| 329 | iMax = 130; |
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| 330 | |
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| 331 | writef<<iMax<<G4endl; |
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| 332 | |
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| 333 | for( i = 0; i < iMax; i++ ) |
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| 334 | { |
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| 335 | energyMscXR = std::exp(i*0.2)*0.001*keV; |
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| 336 | //xsc = comp->ComputeCrossSectionPerAtom(theParticleDefinition,energyMscXR,G4double(Z ) ); |
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| 337 | xsc = photo->ComputeCrossSectionPerAtom(theParticleDefinition,energyMscXR,G4double(Z ) ); |
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| 338 | G4cout<<energyMscXR/MeV<<"\t\t"<<xsc/barn<<G4endl; |
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| 339 | writef<<energyMscXR/MeV<<"\t\t"<<xsc/barn<<G4endl; |
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| 340 | } |
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| 341 | |
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| 342 | |
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| 343 | |
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| 344 | |
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| 345 | |
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| 346 | return 1; |
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| 347 | } // end of main |
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