| 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: G4eScreenedRutherfordTest.cc,v 1.1 2007/05/02 17:22:39 pia Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $
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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 |
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| 46 | #include "G4ParticleDefinition.hh"
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| 47 | #include "G4ParticleTypes.hh"
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| 48 | //#include "G4ParticleTable.hh"
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| 49 | #include "G4ParticleMomentum.hh"
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| 50 | #include "G4DynamicParticle.hh"
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| 51 | #include "G4ThreeVector.hh"
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| 52 | #include "G4Track.hh"
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| 53 | #include "G4SystemOfUnits.hh"
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| 54 |
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| 55 | #include "G4eCrossSectionScreenedRutherford.hh"
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| 56 |
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| 57 | int main()
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| 58 | {
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| 59 | // G4cout.setf( ios::scientific, ios::floatfield );
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| 60 |
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| 61 | G4eCrossSectionScreenedRutherford* cross = new G4eCrossSectionScreenedRutherford;
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| 62 |
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| 63 | // Particle definitions
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| 64 |
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| 65 | // G4ParticleDefinition* gamma = G4Gamma::GammaDefinition();
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| 66 | G4ParticleDefinition* electron = G4Electron::ElectronDefinition();
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| 67 | // G4ParticleDefinition* positron = G4Positron::PositronDefinition();
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| 68 |
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| 69 | // Create a DynamicParticle
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| 70 |
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| 71 | G4double initX = 0.;
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| 72 | G4double initY = 0.;
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| 73 | G4double initZ = 1.;
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| 74 |
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| 75 | G4ParticleMomentum direction(initX,initY,initZ);
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| 76 |
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| 77 | G4double e0 = 0.01 * keV;
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| 78 | G4double eStep = 0.0001 * keV;
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| 79 |
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| 80 | for (G4int i=0; i<1000; i++)
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| 81 | {
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| 82 | G4double energy = e0 + i * eStep;
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| 83 |
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| 84 | G4DynamicParticle dynamicParticle(electron,direction,energy);
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| 85 |
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| 86 | // dynamicParticle.DumpInfo(0);
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| 87 |
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| 88 | // Track
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| 89 |
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| 90 | G4ThreeVector position(0.,0.,0.);
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| 91 | G4double time = 0. ;
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| 92 |
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| 93 | G4Track track(&dynamicParticle,time,position);
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| 94 |
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| 95 | G4double sigma = cross->CrossSection(track);
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| 96 |
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| 97 | G4cout << energy/keV <<" " << sigma / cm2 << G4endl;
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| 98 | }
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| 99 |
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| 100 | e0 = 0.1 * keV;
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| 101 | eStep = 0.001 * keV;
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| 102 |
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| 103 | for (G4int i=0; i<901; i++)
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| 104 | {
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| 105 | G4double energy = e0 + i * eStep;
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| 106 |
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| 107 | G4DynamicParticle dynamicParticle(electron,direction,energy);
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| 108 |
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| 109 | // dynamicParticle.DumpInfo(0);
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| 110 |
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| 111 | // Track
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| 112 |
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| 113 | G4ThreeVector position(0.,0.,0.);
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| 114 | G4double time = 0. ;
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| 115 |
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| 116 | G4Track track(&dynamicParticle,time,position);
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| 117 |
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| 118 | G4double sigma = cross->CrossSection(track);
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| 119 |
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| 120 | G4cout << energy/keV <<" " << sigma / cm2 << G4endl;
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| 121 | }
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| 122 |
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| 123 | delete cross;
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| 124 |
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| 125 | G4cout << "END OF THE MAIN PROGRAM" << G4endl;
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| 126 | }
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| 127 |
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| 128 |
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| 129 |
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| 130 |
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| 131 |
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| 132 |
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| 133 |
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| 134 |
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