[824] | 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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[1340] | 27 | // $Id: G4ExcitedLambdaConstructor.cc,v 1.13 2010/10/01 02:41:44 kurasige Exp $ |
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| 28 | // GEANT4 tag $Name: particles-V09-03-15 $ |
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[824] | 29 | // |
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| 30 | // |
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| 31 | // -------------------------------------------------------------- |
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| 32 | // GEANT 4 class implementation file |
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| 33 | // History: first implementation, based on object model of |
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| 34 | // 10 oct 1998 H.Kurashige |
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| 35 | // --------------------------------------------------------------- |
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| 36 | |
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| 37 | |
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| 38 | #include "G4ExcitedLambdaConstructor.hh" |
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| 39 | |
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| 40 | #include "G4ParticleDefinition.hh" |
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| 41 | #include "G4ParticleTable.hh" |
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| 42 | #include "G4ShortLivedTable.hh" |
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| 43 | #include "G4PhaseSpaceDecayChannel.hh" |
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| 44 | #include "G4VDecayChannel.hh" |
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| 45 | #include "G4DecayTable.hh" |
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| 46 | |
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| 47 | |
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| 48 | G4ExcitedLambdaConstructor::G4ExcitedLambdaConstructor(): |
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| 49 | G4ExcitedBaryonConstructor(NStates, LambdaIsoSpin) |
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| 50 | { |
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| 51 | |
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| 52 | } |
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| 53 | |
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| 54 | G4ExcitedLambdaConstructor::~G4ExcitedLambdaConstructor() |
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| 55 | { |
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| 56 | } |
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| 57 | |
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| 58 | G4DecayTable* G4ExcitedLambdaConstructor::CreateDecayTable( |
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| 59 | const G4String& parentName, |
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| 60 | G4int iIso3, |
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| 61 | G4int iState, |
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| 62 | G4bool fAnti) |
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| 63 | { |
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| 64 | // create decay table |
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| 65 | G4DecayTable* decayTable = new G4DecayTable(); |
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| 66 | |
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| 67 | G4double br; |
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| 68 | if ( (br=bRatio[iState][NK]) >0.0) { |
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| 69 | AddNKMode( decayTable, parentName, br, iIso3, fAnti); |
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| 70 | } |
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| 71 | |
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| 72 | if ( (br=bRatio[iState][NKStar]) >0.0) { |
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| 73 | AddNKStarMode( decayTable, parentName, br, iIso3, fAnti); |
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| 74 | } |
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| 75 | |
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| 76 | if ( (br=bRatio[iState][SigmaPi]) >0.0) { |
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| 77 | AddSigmaPiMode( decayTable, parentName, br, iIso3, fAnti); |
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| 78 | } |
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| 79 | |
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| 80 | if ( (br=bRatio[iState][SigmaStarPi]) >0.0) { |
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| 81 | AddSigmaStarPiMode( decayTable, parentName, br, iIso3, fAnti); |
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| 82 | } |
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| 83 | |
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| 84 | if ( (br=bRatio[iState][LambdaGamma]) >0.0) { |
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| 85 | AddLambdaGammaMode( decayTable, parentName, br, iIso3, fAnti); |
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| 86 | } |
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| 87 | |
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| 88 | if ( (br=bRatio[iState][LambdaEta]) >0.0) { |
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| 89 | AddLambdaEtaMode( decayTable, parentName, br, iIso3, fAnti); |
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| 90 | } |
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| 91 | |
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| 92 | if ( (br=bRatio[iState][LambdaOmega]) >0.0) { |
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| 93 | AddLambdaOmegaMode( decayTable, parentName, br, iIso3, fAnti); |
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| 94 | } |
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| 95 | |
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| 96 | return decayTable; |
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| 97 | } |
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| 98 | |
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| 99 | G4DecayTable* G4ExcitedLambdaConstructor::AddLambdaGammaMode( |
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| 100 | G4DecayTable* decayTable, const G4String& nameParent, |
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| 101 | G4double br, G4int , G4bool fAnti) |
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| 102 | { |
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| 103 | G4VDecayChannel* mode; |
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| 104 | |
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| 105 | // |
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| 106 | G4String lambda = "lambda"; |
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| 107 | if (fAnti) lambda = "anti_" + lambda; |
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| 108 | |
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| 109 | // create decay channel [parent BR #daughters] |
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| 110 | mode = new G4PhaseSpaceDecayChannel(nameParent, br, 2, |
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| 111 | lambda,"gamma"); |
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| 112 | // add decay table |
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| 113 | decayTable->Insert(mode); |
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| 114 | |
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| 115 | return decayTable; |
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| 116 | } |
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| 117 | G4DecayTable* G4ExcitedLambdaConstructor::AddLambdaEtaMode( |
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| 118 | G4DecayTable* decayTable, const G4String& nameParent, |
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| 119 | G4double br, G4int , G4bool fAnti) |
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| 120 | { |
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| 121 | G4VDecayChannel* mode; |
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| 122 | |
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| 123 | // |
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| 124 | G4String lambda = "lambda"; |
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| 125 | if (fAnti) lambda = "anti_" + lambda; |
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| 126 | |
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| 127 | // create decay channel [parent BR #daughters] |
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| 128 | mode = new G4PhaseSpaceDecayChannel(nameParent, br, 2, |
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| 129 | lambda,"eta"); |
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| 130 | // add decay table |
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| 131 | decayTable->Insert(mode); |
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| 132 | |
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| 133 | return decayTable; |
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| 134 | } |
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| 135 | |
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| 136 | G4DecayTable* G4ExcitedLambdaConstructor::AddLambdaOmegaMode( |
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| 137 | G4DecayTable* decayTable, const G4String& nameParent, |
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| 138 | G4double br, G4int , G4bool fAnti) |
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| 139 | { |
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| 140 | G4VDecayChannel* mode; |
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| 141 | |
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| 142 | // |
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| 143 | G4String lambda = "lambda"; |
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| 144 | if (fAnti) lambda = "anti_" + lambda; |
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| 145 | |
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| 146 | // create decay channel [parent BR #daughters] |
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| 147 | mode = new G4PhaseSpaceDecayChannel(nameParent, br, 2, |
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| 148 | lambda,"omega"); |
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| 149 | // add decay table |
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| 150 | decayTable->Insert(mode); |
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| 151 | |
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| 152 | return decayTable; |
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| 153 | } |
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| 154 | |
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| 155 | G4DecayTable* G4ExcitedLambdaConstructor::AddNKMode( |
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| 156 | G4DecayTable* decayTable, const G4String& nameParent, |
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| 157 | G4double br, G4int , G4bool fAnti) |
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| 158 | { |
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| 159 | G4VDecayChannel* mode; |
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| 160 | |
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| 161 | G4String daughterN; |
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| 162 | G4String daughterK; |
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| 163 | |
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| 164 | // ------------ N K- ------------ |
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| 165 | // determine daughters |
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| 166 | daughterN = "proton"; |
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| 167 | if (!fAnti) { |
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| 168 | daughterK = "kaon-"; |
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| 169 | } else { |
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| 170 | daughterK = "kaon+"; |
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| 171 | } |
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| 172 | if (fAnti) daughterN = "anti_" + daughterN; |
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| 173 | // create decay channel [parent BR #daughters] |
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| 174 | mode = new G4PhaseSpaceDecayChannel(nameParent, br/2.0, 2, |
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| 175 | daughterN,daughterK); |
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| 176 | // add decay table |
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| 177 | decayTable->Insert(mode); |
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| 178 | |
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| 179 | // ------------ N K0 ------------ |
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| 180 | // determine daughters |
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| 181 | daughterN = "neutron"; |
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| 182 | if (!fAnti) { |
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| 183 | daughterK = "anti_kaon0"; |
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| 184 | } else { |
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| 185 | daughterK = "kaon0"; |
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| 186 | } |
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| 187 | if (fAnti) daughterN = "anti_" + daughterN; |
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| 188 | // create decay channel [parent BR #daughters] |
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| 189 | mode = new G4PhaseSpaceDecayChannel(nameParent, br/2.0, 2, |
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| 190 | daughterN,daughterK); |
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| 191 | // add decay table |
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| 192 | decayTable->Insert(mode); |
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| 193 | |
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| 194 | |
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| 195 | return decayTable; |
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| 196 | } |
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| 197 | |
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| 198 | G4DecayTable* G4ExcitedLambdaConstructor::AddNKStarMode( |
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| 199 | G4DecayTable* decayTable, const G4String& nameParent, |
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| 200 | G4double br, G4int , G4bool fAnti) |
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| 201 | { |
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| 202 | G4VDecayChannel* mode; |
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| 203 | |
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| 204 | G4String daughterN; |
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| 205 | G4String daughterK; |
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| 206 | |
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| 207 | // ------------ N K- ------------ |
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| 208 | // determine daughters |
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| 209 | daughterN = "proton"; |
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| 210 | if (!fAnti) { |
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| 211 | daughterK = "k_star-"; |
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| 212 | } else { |
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| 213 | daughterK = "k_star+"; |
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| 214 | } |
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| 215 | if (fAnti) daughterN = "anti_" + daughterN; |
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| 216 | // create decay channel [parent BR #daughters] |
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| 217 | mode = new G4PhaseSpaceDecayChannel(nameParent, br/2.0, 2, |
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| 218 | daughterN,daughterK); |
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| 219 | // add decay table |
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| 220 | decayTable->Insert(mode); |
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| 221 | |
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| 222 | // ------------ N K0 ------------ |
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| 223 | // determine daughters |
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| 224 | daughterN = "neutron"; |
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| 225 | if (!fAnti) { |
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| 226 | daughterK = "anti_k_star0"; |
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| 227 | } else { |
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| 228 | daughterK = "k_star0"; |
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| 229 | } |
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| 230 | if (fAnti) daughterN = "anti_" + daughterN; |
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| 231 | // create decay channel [parent BR #daughters] |
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| 232 | mode = new G4PhaseSpaceDecayChannel(nameParent, br/2.0, 2, |
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| 233 | daughterN,daughterK); |
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| 234 | // add decay table |
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| 235 | decayTable->Insert(mode); |
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| 236 | |
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| 237 | |
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| 238 | return decayTable; |
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| 239 | } |
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| 240 | |
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| 241 | G4DecayTable* G4ExcitedLambdaConstructor::AddSigmaPiMode( |
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| 242 | G4DecayTable* decayTable, const G4String& nameParent, |
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| 243 | G4double br, G4int , G4bool fAnti) |
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| 244 | { |
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| 245 | G4VDecayChannel* mode; |
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| 246 | |
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| 247 | G4String daughterSigma; |
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| 248 | G4String daughterPi; |
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| 249 | |
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| 250 | // ------------ Sigma+ pi - ------------ |
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| 251 | // determine daughters |
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| 252 | daughterSigma = "sigma+"; |
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| 253 | if (!fAnti) { |
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| 254 | daughterPi = "pi-"; |
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| 255 | } else { |
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| 256 | daughterPi = "pi+"; |
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| 257 | } |
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| 258 | if (fAnti) daughterSigma = "anti_" + daughterSigma; |
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| 259 | // create decay channel [parent BR #daughters] |
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| 260 | mode = new G4PhaseSpaceDecayChannel(nameParent, br/3.0, 2, |
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| 261 | daughterSigma,daughterPi); |
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| 262 | // add decay table |
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| 263 | decayTable->Insert(mode); |
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| 264 | |
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| 265 | // ------------ Sigma0 Pi0 ------------ |
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| 266 | // determine daughters |
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| 267 | daughterSigma = "sigma0"; |
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| 268 | daughterPi = "pi0"; |
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| 269 | |
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| 270 | if (fAnti) daughterSigma = "anti_" + daughterSigma; |
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| 271 | // create decay channel [parent BR #daughters] |
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| 272 | mode = new G4PhaseSpaceDecayChannel(nameParent, br/3.0, 2, |
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| 273 | daughterSigma,daughterPi); |
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| 274 | |
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| 275 | // add decay table |
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| 276 | decayTable->Insert(mode); |
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| 277 | |
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| 278 | // ------------ Sigma- pi + ------------ |
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| 279 | // determine daughters |
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| 280 | daughterSigma = "sigma-"; |
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| 281 | if (!fAnti) { |
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| 282 | daughterPi = "pi+"; |
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| 283 | } else { |
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| 284 | daughterPi = "pi-"; |
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| 285 | } |
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| 286 | if (fAnti) daughterSigma = "anti_" + daughterSigma; |
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| 287 | // create decay channel [parent BR #daughters] |
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| 288 | mode = new G4PhaseSpaceDecayChannel(nameParent, br/3.0, 2, |
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| 289 | daughterSigma,daughterPi); |
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| 290 | // add decay table |
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| 291 | decayTable->Insert(mode); |
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| 292 | |
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| 293 | return decayTable; |
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| 294 | } |
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| 295 | |
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| 296 | |
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| 297 | G4DecayTable* G4ExcitedLambdaConstructor::AddSigmaStarPiMode( |
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| 298 | G4DecayTable* decayTable, const G4String& nameParent, |
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| 299 | G4double br, G4int , G4bool fAnti) |
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| 300 | { |
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| 301 | G4VDecayChannel* mode; |
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| 302 | |
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| 303 | G4String daughterSigma; |
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| 304 | G4String daughterPi; |
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| 305 | |
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| 306 | // ------------ Sigma+ pi - ------------ |
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| 307 | // determine daughters |
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| 308 | daughterSigma = "sigma(1385)+"; |
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| 309 | if (!fAnti) { |
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| 310 | daughterPi = "pi-"; |
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| 311 | } else { |
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| 312 | daughterPi = "pi+"; |
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| 313 | } |
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| 314 | if (fAnti) daughterSigma = "anti_" + daughterSigma; |
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| 315 | // create decay channel [parent BR #daughters] |
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| 316 | mode = new G4PhaseSpaceDecayChannel(nameParent, br/3.0, 2, |
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| 317 | daughterSigma,daughterPi); |
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| 318 | // add decay table |
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| 319 | decayTable->Insert(mode); |
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| 320 | |
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| 321 | // ------------ Sigma0 Pi0 ------------ |
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| 322 | // determine daughters |
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| 323 | daughterSigma = "sigma(1385)0"; |
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| 324 | daughterPi = "pi0"; |
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| 325 | |
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| 326 | if (fAnti) daughterSigma = "anti_" + daughterSigma; |
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| 327 | // create decay channel [parent BR #daughters] |
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| 328 | mode = new G4PhaseSpaceDecayChannel(nameParent, br/3.0, 2, |
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| 329 | daughterSigma,daughterPi); |
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| 330 | |
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| 331 | // add decay table |
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| 332 | decayTable->Insert(mode); |
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| 333 | |
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| 334 | // ------------ Sigma- pi + ------------ |
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| 335 | // determine daughters |
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| 336 | daughterSigma = "sigma(1385)-"; |
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| 337 | if (!fAnti) { |
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| 338 | daughterPi = "pi+"; |
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| 339 | } else { |
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| 340 | daughterPi = "pi-"; |
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| 341 | } |
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| 342 | if (fAnti) daughterSigma = "anti_" + daughterSigma; |
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| 343 | // create decay channel [parent BR #daughters] |
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| 344 | mode = new G4PhaseSpaceDecayChannel(nameParent, br/3.0, 2, |
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| 345 | daughterSigma,daughterPi); |
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| 346 | // add decay table |
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| 347 | decayTable->Insert(mode); |
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| 348 | |
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| 349 | return decayTable; |
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| 350 | } |
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| 351 | |
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| 352 | const char* G4ExcitedLambdaConstructor::name[] = { |
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| 353 | "lambda(1405)","lambda(1520)","lambda(1600)","lambda(1670)","lambda(1690)", |
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| 354 | "lambda(1800)","lambda(1810)","lambda(1820)","lambda(1830)","lambda(1890)", |
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| 355 | "lambda(2100)","lambda(2110)" |
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| 356 | }; |
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| 357 | |
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| 358 | const G4double G4ExcitedLambdaConstructor::mass[] = { |
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[1340] | 359 | 1.407*GeV,1.5195*GeV, 1.600*GeV, 1.670*GeV, 1.690*GeV, |
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[824] | 360 | 1.800*GeV, 1.810*GeV, 1.820*GeV, 1.830*GeV, 1.890*GeV, |
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| 361 | 2.100*GeV, 2.110*GeV |
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| 362 | }; |
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| 363 | |
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| 364 | const G4double G4ExcitedLambdaConstructor::width[] = { |
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| 365 | 50.0*MeV, 15.6*MeV, 150.0*MeV, 35.0*MeV, 60.0*MeV, |
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| 366 | 300.0*MeV, 150.0*MeV, 80.0*MeV, 95.0*MeV, 100.0*MeV, |
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| 367 | 200.0*MeV, 200.0*MeV |
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| 368 | }; |
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| 369 | |
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| 370 | const G4int G4ExcitedLambdaConstructor::iSpin[] = { |
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| 371 | 1, 3, 1, 1, 3, |
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| 372 | 1, 1, 5, 5, 3, |
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| 373 | 7, 5 |
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| 374 | }; |
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| 375 | |
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| 376 | const G4int G4ExcitedLambdaConstructor::iParity[] = { |
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| 377 | -1, -1, +1, -1, -1, |
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| 378 | -1, +1, +1, -1, +1, |
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| 379 | -1, +1 |
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| 380 | }; |
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| 381 | |
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| 382 | const G4int G4ExcitedLambdaConstructor::encodingOffset[] = { |
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| 383 | 10000, 0, 20000, 30000, 10000, |
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| 384 | 40000, 50000, 0, 10000, 20000, |
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| 385 | 0, 20000 |
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| 386 | }; |
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| 387 | |
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| 388 | const G4double G4ExcitedLambdaConstructor::bRatio[ G4ExcitedLambdaConstructor::NStates ][ G4ExcitedLambdaConstructor::NumberOfDecayModes] = |
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| 389 | { |
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| 390 | { 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0}, |
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| 391 | { 0.45, 0.0, 0.43, 0.11, 0.01, 0.0, 0.0}, |
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| 392 | { 0.35, 0.0, 0.65, 0.0, 0.0, 0.0, 0.0}, |
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| 393 | { 0.20, 0.0, 0.50, 0.0, 0.0, 0.30, 0.0}, |
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| 394 | { 0.25, 0.0, 0.45, 0.30, 0.0, 0.0, 0.0}, |
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| 395 | { 0.40, 0.20, 0.20, 0.20, 0.0, 0.0, 0.0}, |
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| 396 | { 0.35, 0.45, 0.15, 0.05, 0.0, 0.0, 0.0}, |
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| 397 | { 0.73, 0.0, 0.16, 0.11, 0.0, 0.0, 0.0}, |
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| 398 | { 0.10, 0.0, 0.70, 0.20, 0.0, 0.0, 0.0}, |
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| 399 | { 0.37, 0.21, 0.11, 0.31, 0.0, 0.0, 0.0}, |
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| 400 | { 0.35, 0.20, 0.05, 0.30, 0.0, 0.02, 0.08}, |
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| 401 | { 0.25, 0.45, 0.30, 0.0, 0.0, 0.0, 0.0} |
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| 402 | }; |
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| 403 | |
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