| 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: G4CrossSectionElastic.cc,v 1.2 2010/11/19 11:12:11 vnivanch Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-04-ref-00 $
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| 28 | //
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| 29 | // -------------------------------------------------------------------
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| 30 | //
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| 31 | // GEANT4 Class file
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| 32 | //
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| 33 | //
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| 34 | // File name: G4CrossSectionElastic
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| 35 | //
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| 36 | // Author: Vladimir Ivanchenko
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| 37 | //
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| 38 | // Creation date: 19.11.2010
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| 39 | // Modifications:
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| 40 | //
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| 41 | // Class Description:
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| 42 | //
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| 43 | // Wrapper for elastic cross section build from a component
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| 44 | //
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| 45 | // -------------------------------------------------------------------
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| 46 | //
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| 47 |
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| 48 | #include "G4CrossSectionElastic.hh"
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| 49 | #include "G4VComponentCrossSection.hh"
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| 50 | #include "G4ParticleDefinition.hh"
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| 51 |
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| 52 | G4CrossSectionElastic::G4CrossSectionElastic(const G4ParticleDefinition* p,
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| 53 | G4VComponentCrossSection* c,
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| 54 | G4int zmin, G4int zmax,
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| 55 | G4double Emin, G4double Emax)
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| 56 | : G4VCrossSectionDataSet(c->GetName()),particle(p), component(c),
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| 57 | Zmin(zmin),Zmax(zmax)
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| 58 | {
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| 59 | SetMinKinEnergy(Emin);
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| 60 | SetMaxKinEnergy(Emax);
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| 61 | }
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| 62 |
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| 63 | G4CrossSectionElastic::~G4CrossSectionElastic()
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| 64 | {
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| 65 | delete component;
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| 66 | }
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| 67 |
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| 68 | G4bool G4CrossSectionElastic::IsApplicable(const G4DynamicParticle* p,
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| 69 | const G4Element* elm)
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| 70 | {
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| 71 | return IsIsoApplicable(p, G4int(elm->GetZ()), 0);
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| 72 | }
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| 73 |
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| 74 | G4bool
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| 75 | G4CrossSectionElastic::IsIsoApplicable(const G4DynamicParticle* p,
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| 76 | G4int Z, G4int)
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| 77 | {
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| 78 | G4double e = p->GetKineticEnergy();
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| 79 | return
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| 80 | (Z >= Zmin && Z <= Zmax && e >= GetMinKinEnergy() && e <= GetMaxKinEnergy());
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| 81 | }
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| 82 |
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| 83 |
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| 84 | G4double
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| 85 | G4CrossSectionElastic::GetCrossSection(const G4DynamicParticle* p,
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| 86 | const G4Element* elm, G4double)
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| 87 | {
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| 88 | return component->GetElasticCrossSection(p->GetDefinition(),
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| 89 | p->GetKineticEnergy(), elm);
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| 90 | }
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| 91 |
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| 92 | G4double
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| 93 | G4CrossSectionElastic::GetZandACrossSection(const G4DynamicParticle* p, G4int Z,
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| 94 | G4int A, G4double)
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| 95 | {
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| 96 | return component->GetElasticZandACrossSection(p->GetDefinition(),
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| 97 | p->GetKineticEnergy(),
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| 98 | Z, A);
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| 99 | }
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