| 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 | #include "globals.hh"
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| 28 | #include "G4XAnnihilationChannel.hh"
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| 29 | #include "G4ConcreteMesonBaryonToResonance.hh"
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| 30 |
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| 31 | G4BaryonWidth & G4ConcreteMesonBaryonToResonance::theBaryonWidth()
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| 32 | {
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| 33 | static G4BaryonWidth theWidth;
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| 34 | return theWidth;
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| 35 | }
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| 36 |
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| 37 | G4BaryonPartialWidth & G4ConcreteMesonBaryonToResonance::theBaryonPartialWidth()
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| 38 | {
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| 39 | static G4BaryonPartialWidth theWidth;
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| 40 | return theWidth;
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| 41 | }
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| 42 |
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| 43 | G4ParticleTypeConverter & G4ConcreteMesonBaryonToResonance::myConv()
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| 44 | {
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| 45 | static G4ParticleTypeConverter theConv;
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| 46 | return theConv;
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| 47 | }
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| 48 |
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| 49 | G4ConcreteMesonBaryonToResonance::G4ConcreteMesonBaryonToResonance(const G4ParticleDefinition* aPrimary,
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| 50 | const G4ParticleDefinition* bPrimary,
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| 51 | const G4ParticleDefinition* aSecondary,
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| 52 | const G4String& partWidthLabel)
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| 53 | : thePrimary1(aPrimary), thePrimary2(bPrimary), theSecondary(aSecondary)
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| 54 | {
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| 55 | crossSectionSource = new G4XAnnihilationChannel(aSecondary,
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| 56 | theBaryonWidth(),
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| 57 | theBaryonPartialWidth(),
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| 58 | partWidthLabel);
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| 59 | }
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| 60 |
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| 61 |
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| 62 | G4ConcreteMesonBaryonToResonance::~G4ConcreteMesonBaryonToResonance()
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| 63 | {
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| 64 | delete crossSectionSource;
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| 65 | }
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| 66 |
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| 67 |
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| 68 | G4bool G4ConcreteMesonBaryonToResonance::IsInCharge(const G4KineticTrack& trk1,
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| 69 | const G4KineticTrack& trk2) const
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| 70 | {
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| 71 | if (myConv().GetGenericType(trk1)==myConv().GetGenericType(thePrimary1) &&
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| 72 | myConv().GetGenericType(trk2)==myConv().GetGenericType(thePrimary2)) return true;
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| 73 | if (myConv().GetGenericType(trk1)==myConv().GetGenericType(thePrimary2) &&
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| 74 | myConv().GetGenericType(trk2)==myConv().GetGenericType(thePrimary1)) return true;
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| 75 | return false;
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| 76 | }
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| 77 |
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| 78 | const G4ParticleDefinition* G4ConcreteMesonBaryonToResonance::GetOutgoingParticle(const G4KineticTrack& trk1,
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| 79 | const G4KineticTrack& trk2) const
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| 80 | {
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| 81 | G4int secondaryIso3 = trk1.GetDefinition()->GetPDGiIsospin3() + trk2.GetDefinition()->GetPDGiIsospin3();
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| 82 | const G4ParticleDefinition* state;
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| 83 | if ( (state = myConv().FindIso3State(myConv().GetGenericType(theSecondary), secondaryIso3)) == NULL)
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| 84 | {
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| 85 | G4cerr << "for "<<static_cast<G4int>(myConv().GetGenericType(theSecondary))<<" "<<secondaryIso3<<G4endl;
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| 86 | throw G4HadronicException(__FILE__, __LINE__, "G4ConcreteMesonBaryonToResonance: Can't find iso3 state!");
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| 87 | }
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| 88 | return state;
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| 89 | }
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