| [819] | 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 | // by JPW, working, but to be cleaned up. @@@@
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| 27 | // D. Wright, 23-Dec-2006 Added isotope dependence
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| [1228] | 28 | // G.Folger, 25-Nov-2009: extend to 100TeV, using a constant above 20GeV
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| [819] | 29 | //
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| 30 |
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| 31 | #ifndef G4NeutronInelasticCrossSection_h
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| 32 | #define G4NeutronInelasticCrossSection_h
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| 33 |
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| 34 | #include "globals.hh"
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| 35 | #include "G4Neutron.hh"
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| 36 |
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| 37 | // Class Description
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| 38 | // Cross-sections for neutron nuclear scattering from 14 MeV up to 20 GeV, getting the
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| 39 | // low energy threshold behaviour right.
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| 40 | // H.P. Wellisch (TRIUMF), M. Laidlaw (British Columbia U.). 1996.
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| 41 | // Class Description - End
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| 42 |
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| 43 | #include "G4VCrossSectionDataSet.hh"
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| 44 |
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| 45 | class G4NeutronInelasticCrossSection : public G4VCrossSectionDataSet
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| 46 | {
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| 47 | public:
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| 48 |
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| 49 | virtual
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| 50 | G4bool IsApplicable(const G4DynamicParticle* aPart, const G4Element* aEle)
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| 51 | {
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| 52 | G4bool result = false;
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| 53 | if(( aPart->GetDefinition()==G4Neutron::Neutron()) &&
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| [1228] | 54 | ( aPart->GetKineticEnergy()<100*TeV) &&
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| [819] | 55 | aPart->GetKineticEnergy()>19.9*MeV) result = true;
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| 56 | if(aEle->GetZ()<2) result = false;
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| 57 | return result;
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| 58 | }
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| 59 |
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| [1340] | 60 | G4bool IsIsoApplicable(const G4DynamicParticle* aPart,
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| 61 | G4int ZZ, G4int /*AA*/)
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| [819] | 62 | {
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| 63 | G4bool result = false;
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| 64 | if(( aPart->GetDefinition() == G4Neutron::Neutron()) &&
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| [1228] | 65 | ( aPart->GetKineticEnergy() < 100*TeV) &&
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| [819] | 66 | aPart->GetKineticEnergy() > 19.9*MeV) result = true;
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| 67 | if(ZZ < 2) result = false;
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| 68 | return result;
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| 69 | }
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| 70 |
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| 71 |
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| 72 | virtual
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| 73 | G4double GetCrossSection(const G4DynamicParticle*,
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| 74 | const G4Element*, G4double aTemperature);
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| 75 |
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| [1340] | 76 | G4double GetZandACrossSection(const G4DynamicParticle* aParticle,
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| 77 | G4int ZZ, G4int AA,
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| [819] | 78 | G4double /*aTemperature*/)
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| 79 | {
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| 80 | return GetCrossSection(aParticle->GetKineticEnergy(), AA, ZZ);
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| 81 | }
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| 82 |
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| 83 |
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| [1340] | 84 | G4double GetCrossSection(G4double anEnergy, G4int anA, G4int aZ);
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| [819] | 85 |
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| [1340] | 86 |
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| [819] | 87 | virtual
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| 88 | void BuildPhysicsTable(const G4ParticleDefinition&)
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| 89 | {}
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| 90 |
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| 91 | virtual
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| 92 | void DumpPhysicsTable(const G4ParticleDefinition&)
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| 93 | {G4cout << "G4NeutronInelasticCrossSection: uses formula"<<G4endl;}
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| 94 |
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| 95 | };
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| 96 |
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| 97 | #endif
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