| 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 | #include "globals.hh"
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| 29 | #include "G4ios.hh"
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| 30 | #include "G4KineticTrack.hh"
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| 31 | #include "G4XResonance.hh"
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| 32 | #include "Randomize.hh"
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| 33 | #include "G4Proton.hh"
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| 34 |
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| 35 | G4XResonance::G4XResonance(const G4ParticleDefinition* in1,
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| 36 | const G4ParticleDefinition* in2,
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| 37 | G4int iIsospinOut1, G4double spinOut1, G4double massOut1,
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| 38 | G4int iIsospinOut2, G4double spinOut2, G4double massOut2,
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| 39 | G4String subType1, G4String subType2,
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| 40 | const G4VXResonanceTable& sigmaTable) :
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| 41 | isoOut1(iIsospinOut1), iSpinOut1(spinOut1), mOut1(massOut1),
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| 42 | isoOut2(iIsospinOut2), iSpinOut2(spinOut2), mOut2(massOut2)
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| 43 |
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| 44 | {
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| 45 | table = sigmaTable.CrossSectionTable();
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| 46 | // Check if there is a valid cross section table for this channel
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| 47 | if (table == 0)
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| 48 | throw G4HadronicException(__FILE__, __LINE__, "G4XResonance::G4XResonance - no cross section table available");
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| 49 |
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| 50 | name = in1->GetParticleName() + in2->GetParticleName() + " -> " + subType1 + subType2;
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| 51 | }
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| 52 |
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| 53 |
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| 54 | G4XResonance::~G4XResonance()
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| 55 | {
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| 56 | delete table;
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| 57 | table = 0;
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| 58 | }
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| 59 |
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| 60 |
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| 61 | G4bool G4XResonance::operator==(const G4XResonance &right) const
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| 62 | {
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| 63 | return (this == (G4XResonance *) &right);
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| 64 | }
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| 65 |
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| 66 |
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| 67 | G4bool G4XResonance::operator!=(const G4XResonance &right) const
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| 68 | {
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| 69 | return (this != (G4XResonance *) &right);
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| 70 | }
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| 71 |
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| 72 |
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| 73 | G4String G4XResonance::Name() const
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| 74 | {
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| 75 | return name;
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| 76 | }
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| 77 |
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| 78 | G4double G4XResonance::CrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const
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| 79 | {
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| 80 | G4bool dummy = false;
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| 81 | G4double sqrtS = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag();
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| 82 |
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| 83 | // pp -> trk1 + trk2 cross section
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| 84 | G4double sigma = table->GetValue(sqrtS,dummy);
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| 85 |
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| 86 | // Isospin correction
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| 87 | // from G4VXResonance;
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| 88 | // G4cout << "SigmaCheck "<<sigma;
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| 89 | sigma *= IsospinCorrection(trk1,trk2,isoOut1,isoOut2,iSpinOut1,iSpinOut2); // from G4VXResonance
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| 90 | // G4cout << " "<<sigma<<G4endl;
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| 91 |
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| 92 | // Detailed balance
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| 93 | if (trk1.GetDefinition()->IsShortLived() || trk2.GetDefinition()->IsShortLived())
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| 94 | {
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| 95 | sigma *= DetailedBalance(trk1,trk2, isoOut1,isoOut2, iSpinOut1,iSpinOut2, mOut1,mOut2);
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| 96 | }
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| 97 |
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| 98 | return sigma;
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| 99 |
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| 100 | }
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| 101 |
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