| 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 | // $Id: G4ExcitedSigmaConstructor.hh,v 1.7 2010/10/01 02:41:44 kurasige Exp $
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| 28 | // GEANT4 tag $Name: particles-V09-03-15 $
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| 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 | //
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| 34 | // History: first implementation, based on object model of
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| 35 | // 10 oct 1998 H.Kurashige
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| 36 | // ---------------------------------------------------------------
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| 37 | #ifndef G4ExcitedSigmaConstructor_h
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| 38 | #define G4ExcitedSigmaConstructor_h 1
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| 39 |
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| 40 | #include "globals.hh"
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| 41 | #include "G4ios.hh"
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| 42 | #include "G4ExcitedBaryonConstructor.hh"
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| 43 |
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| 44 | class G4ExcitedSigmaConstructor: public G4ExcitedBaryonConstructor
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| 45 | {
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| 46 | //This class is a utility class for construction
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| 47 | //short lived particles
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| 48 |
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| 49 | public:
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| 50 | G4ExcitedSigmaConstructor();
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| 51 | virtual ~G4ExcitedSigmaConstructor();
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| 52 |
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| 53 | protected:
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| 54 | virtual G4bool Exist( G4int ){return true;}
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| 55 |
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| 56 | virtual G4int GetQuarkContents(G4int, G4int);
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| 57 | virtual G4String GetName(G4int iIso3, G4int iState);
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| 58 | virtual G4String GetMultipletName(G4int iState);
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| 59 | virtual G4double GetMass( G4int state, G4int iso);
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| 60 | virtual G4double GetWidth( G4int state, G4int iso);
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| 61 | virtual G4int GetiSpin(G4int iState);
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| 62 | virtual G4int GetiParity(G4int iState);
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| 63 | virtual G4int GetEncodingOffset(G4int iState);
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| 64 |
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| 65 | virtual G4DecayTable* CreateDecayTable(const G4String& name,
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| 66 | G4int iIso3, G4int iState,
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| 67 | G4bool fAnti = false);
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| 68 | private:
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| 69 | G4DecayTable* AddNKMode( G4DecayTable* table, const G4String& name,
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| 70 | G4double br, G4int iIso3, G4bool fAnti);
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| 71 | G4DecayTable* AddNKStarMode( G4DecayTable* table, const G4String& name,
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| 72 | G4double br, G4int iIso3, G4bool fAnti);
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| 73 | G4DecayTable* AddSigmaPiMode( G4DecayTable* table, const G4String& name,
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| 74 | G4double br, G4int iIso3, G4bool fAnti);
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| 75 | G4DecayTable* AddSigmaStarPiMode( G4DecayTable* table, const G4String& name,
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| 76 | G4double br, G4int iIso3, G4bool fAnti);
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| 77 | G4DecayTable* AddLambdaPiMode( G4DecayTable* table, const G4String& name,
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| 78 | G4double br, G4int iIso3, G4bool fAnti);
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| 79 | G4DecayTable* AddSigmaEtaMode( G4DecayTable* table, const G4String& name,
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| 80 | G4double br, G4int iIso3, G4bool fAnti);
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| 81 | G4DecayTable* AddLambdaStarPiMode( G4DecayTable* table, const G4String& name,
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| 82 | G4double br, G4int iIso3, G4bool fAnti);
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| 83 | G4DecayTable* AddDeltaKMode( G4DecayTable* table, const G4String& name,
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| 84 | G4double br, G4int iIso3, G4bool fAnti);
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| 85 |
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| 86 | public:
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| 87 | enum { NStates = 8 };
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| 88 | private:
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| 89 | enum { SigmaIsoSpin = 2 };
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| 90 |
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| 91 | private:
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| 92 | static const char* name[ NStates ];
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| 93 | static const G4double mass[ NStates ];
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| 94 | static const G4double width[ NStates ];
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| 95 | static const G4int iSpin[ NStates ];
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| 96 | static const G4int iParity[ NStates ];
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| 97 | static const G4int encodingOffset[ NStates ];
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| 98 |
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| 99 | public:
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| 100 | enum { NumberOfDecayModes = 8 };
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| 101 | private:
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| 102 | enum { NK=0, NKStar=1, SigmaPi=2, SigmaStarPi=3, LambdaPi=4,
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| 103 | SigmaEta=5, LambdaStarPi=6, DeltaK=7};
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| 104 | private:
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| 105 | static const G4double bRatio[ NStates ][ NumberOfDecayModes];
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| 106 | };
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| 107 |
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| 108 |
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| 109 |
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| 110 | inline
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| 111 | G4int G4ExcitedSigmaConstructor::GetiSpin(G4int iState)
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| 112 | {
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| 113 | return iSpin[iState];
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| 114 | }
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| 115 |
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| 116 | inline
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| 117 | G4int G4ExcitedSigmaConstructor::GetiParity(G4int iState)
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| 118 | {
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| 119 | return iParity[iState];
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| 120 | }
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| 121 |
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| 122 | inline
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| 123 | G4int G4ExcitedSigmaConstructor::GetEncodingOffset(G4int iState)
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| 124 | {
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| 125 | return encodingOffset[iState];
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| 126 | }
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| 127 |
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| 128 | inline
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| 129 | G4int G4ExcitedSigmaConstructor::GetQuarkContents(G4int iQ, G4int iIso3)
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| 130 | {
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| 131 | G4int quark=0;
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| 132 | if ( iQ == 0 ){
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| 133 | // s-quark
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| 134 | quark = 3;
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| 135 | } else if ( iQ == 1 ){
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| 136 | if (iIso3 == -2) {
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| 137 | // d-quark
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| 138 | quark = 1;
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| 139 | } else {
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| 140 | // u-quark
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| 141 | quark = 2;
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| 142 | }
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| 143 | } else if ( iQ == 2 ){
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| 144 | if (iIso3 == +2) {
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| 145 | // u-quark
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| 146 | quark = 2;
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| 147 | } else {
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| 148 | // d-quark
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| 149 | quark = 1;
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| 150 | }
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| 151 | }
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| 152 | return quark;
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| 153 | }
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| 154 |
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| 155 | inline
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| 156 | G4String G4ExcitedSigmaConstructor::GetMultipletName(G4int iState)
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| 157 | {
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| 158 | return name[iState];
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| 159 | }
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| 160 |
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| 161 | inline
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| 162 | G4String G4ExcitedSigmaConstructor::GetName(G4int iIso3, G4int iState)
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| 163 | {
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| 164 | G4String particle = name[iState];
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| 165 | if (iIso3 == +2) {
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| 166 | particle += "+";
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| 167 | } else if (iIso3 == 0) {
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| 168 | particle += "0";
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| 169 | } else if (iIso3 == -2) {
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| 170 | particle += "-";
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| 171 | }
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| 172 | return particle;
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| 173 | }
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| 174 | #endif
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| 175 |
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| 176 |
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| 177 |
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| 178 |
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| 179 |
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| 180 |
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| 181 |
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| 182 |
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| 183 |
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| 184 |
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