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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