| 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 | // |
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| 28 | // Hadronic Inelastic Process Class |
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| 29 | // J.L. Chuma, TRIUMF, 24-Mar-1997 |
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| 30 | // Last modified: 27-Mar-1997 |
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| 31 | // J.P. Wellisch: Bug hunting, 23-Apr-97 |
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| 32 | // Modified by J.L.Chuma 8-Jul-97 to eliminate possible division by zero for sigma |
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| 33 | // |
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| 34 | // 14-APR-98 F.W.Jones: variant G4HadronInelastic process for |
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| 35 | // G4CrossSectionDataSet/DataStore class design. |
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| 36 | // |
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| 37 | // 17-JUN-98 F.W.Jones: removed extraneous code causing core dump. |
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| 38 | // |
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| 39 | |
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| 40 | #include "G4HadronInelasticProcess.hh" |
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| 41 | #include "G4GenericIon.hh" |
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| 42 | #include "G4ProcessManager.hh" |
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| 43 | #include "G4ProcessVector.hh" |
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| 44 | #include "G4HadronicException.hh" |
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| 45 | |
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| 46 | void G4HadronInelasticProcess::BuildThePhysicsTable() |
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| 47 | { |
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| 48 | if (!G4HadronicProcess::GetCrossSectionDataStore()) { |
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| 49 | return; |
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| 50 | } |
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| 51 | G4HadronicProcess::GetCrossSectionDataStore()->BuildPhysicsTable(*theParticle); |
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| 52 | } |
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| 53 | |
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| 54 | G4HadronInelasticProcess::G4HadronInelasticProcess( |
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| 55 | const G4String &processName, |
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| 56 | G4ParticleDefinition *aParticle ) : |
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| 57 | G4HadronicProcess( processName ) |
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| 58 | { |
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| 59 | G4HadronicProcess::AddDataSet(new G4HadronInelasticDataSet); |
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| 60 | theParticle = aParticle; |
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| 61 | } |
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| 62 | |
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| 63 | G4HadronInelasticProcess::~G4HadronInelasticProcess() { } |
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| 64 | |
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| 65 | G4VParticleChange *G4HadronInelasticProcess:: |
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| 66 | PostStepDoIt(const G4Track &aTrack, const G4Step &aStep) |
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| 67 | { |
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| 68 | if(0==GetLastCrossSection()&&!getenv("DebugNeutronHP")) |
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| 69 | { |
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| 70 | G4cerr << "G4HadronInelasticProcess: called for final state, while cross-section was zero"<<G4endl; |
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| 71 | G4cerr << " Returning empty particle change...."<<G4endl; |
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| 72 | G4double dummy=0; |
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| 73 | G4ForceCondition condition; |
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| 74 | G4double it = GetMeanFreePath(aTrack, dummy, &condition); |
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| 75 | G4cerr << " current MeanFreePath is "<<it<<G4endl; |
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| 76 | theParticleChange.Initialize(aTrack); |
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| 77 | return &theParticleChange; |
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| 78 | } |
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| 79 | SetDispatch( this ); |
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| 80 | return G4HadronicProcess::GeneralPostStepDoIt( aTrack, aStep ); |
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| 81 | } |
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| 82 | |
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| 83 | G4bool G4HadronInelasticProcess:: |
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| 84 | IsApplicable(const G4ParticleDefinition& aP) |
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| 85 | { |
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| 86 | return theParticle == &aP || theParticle == G4GenericIon::GenericIon(); |
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| 87 | } |
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| 88 | |
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| 89 | G4double G4HadronInelasticProcess::GetMicroscopicCrossSection( |
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| 90 | const G4DynamicParticle *aParticle, |
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| 91 | const G4Element *anElement, |
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| 92 | G4double aTemp) |
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| 93 | { |
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| 94 | // returns the microscopic cross section in GEANT4 internal units |
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| 95 | |
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| 96 | if (!G4HadronicProcess::GetCrossSectionDataStore()) |
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| 97 | { |
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| 98 | throw G4HadronicException(__FILE__, __LINE__, |
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| 99 | "G4HadronInelasticProcess::GetMicroscopicCrossSection: " |
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| 100 | "no CrossSectionDataStore"); |
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| 101 | return DBL_MIN; |
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| 102 | } |
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| 103 | return G4HadronicProcess::GetCrossSectionDataStore()->GetCrossSection(aParticle, anElement, aTemp); |
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| 104 | |
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| 105 | } |
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| 106 | |
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| 107 | /* end of file */ |
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