[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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| 27 | // $Id: G4ExcitedDeltaConstructor.hh,v 1.6 2006/06/29 19:26:32 gunter Exp $ |
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[1196] | 28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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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 | // |
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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 G4ExcitedDeltaConstructor_h |
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| 38 | #define G4ExcitedDeltaConstructor_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 G4ExcitedDeltaConstructor: 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 | G4ExcitedDeltaConstructor(); |
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| 51 | virtual ~G4ExcitedDeltaConstructor(); |
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| 52 | |
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| 53 | protected: |
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| 54 | virtual G4int GetEncoding(G4int iIsoSpin3, G4int idxState); |
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| 55 | |
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| 56 | protected: |
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| 57 | virtual G4bool Exist( G4int ){return true;} |
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| 58 | |
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| 59 | virtual G4int GetQuarkContents(G4int, G4int); |
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| 60 | virtual G4String GetName(G4int iIso3, G4int iState); |
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| 61 | virtual G4String GetMultipletName(G4int iState); |
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| 62 | |
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| 63 | virtual G4double GetMass(G4int iState); |
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| 64 | virtual G4double GetWidth(G4int iState); |
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| 65 | virtual G4int GetiSpin(G4int iState); |
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| 66 | virtual G4int GetiParity(G4int iState); |
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| 67 | virtual G4int GetEncodingOffset(G4int iState); |
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| 68 | |
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| 69 | virtual G4DecayTable* CreateDecayTable(const G4String& name, |
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| 70 | G4int iIso3, G4int iState, |
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| 71 | G4bool fAnti = false); |
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| 72 | private: |
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| 73 | G4DecayTable* AddNGammaMode( G4DecayTable* table, const G4String& name, |
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| 74 | G4double br, G4int iIso3, G4bool fAnti); |
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| 75 | G4DecayTable* AddNPiMode( G4DecayTable* table, const G4String& name, |
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| 76 | G4double br, G4int iIso3, G4bool fAnti); |
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| 77 | G4DecayTable* AddNRhoMode( G4DecayTable* table, const G4String& name, |
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| 78 | G4double br, G4int iIso3, G4bool fAnti); |
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| 79 | G4DecayTable* AddDeltaPiMode( G4DecayTable* table, const G4String& name, |
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| 80 | G4double br, G4int iIso3, G4bool fAnti); |
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| 81 | G4DecayTable* AddNStarPiMode( G4DecayTable* table, const G4String& name, |
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| 82 | G4double br, G4int iIso3, G4bool fAnti); |
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| 83 | |
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| 84 | public: |
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| 85 | enum { NStates = 9 }; |
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| 86 | private: |
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| 87 | enum { DeltaIsoSpin = 3 }; |
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| 88 | |
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| 89 | private: |
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| 90 | static const char* name[ NStates ]; |
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| 91 | static const G4double mass[ NStates ]; |
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| 92 | static const G4double width[ NStates ]; |
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| 93 | static const G4int iSpin[ NStates ]; |
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| 94 | static const G4int iParity[ NStates ]; |
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| 95 | static const G4int encodingOffset[ NStates ]; |
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| 96 | |
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| 97 | public: |
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| 98 | enum { NumberOfDecayModes = 5}; |
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| 99 | private: |
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| 100 | enum { NGamma=0, NPi=1, NRho=2, DeltaPi=3, NStarPi=4 }; |
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| 101 | private: |
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| 102 | static const G4double bRatio[ NStates ][ NumberOfDecayModes]; |
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| 103 | }; |
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| 104 | |
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| 105 | inline |
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| 106 | G4double G4ExcitedDeltaConstructor::GetMass(G4int iState) |
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| 107 | { |
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| 108 | return mass[iState]; |
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| 109 | } |
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| 110 | |
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| 111 | inline |
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| 112 | G4double G4ExcitedDeltaConstructor::GetWidth(G4int iState) |
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| 113 | { |
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| 114 | return width[iState]; |
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| 115 | } |
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| 116 | |
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| 117 | inline |
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| 118 | G4int G4ExcitedDeltaConstructor::GetiSpin(G4int iState) |
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| 119 | { |
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| 120 | return iSpin[iState]; |
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| 121 | } |
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| 122 | |
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| 123 | inline |
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| 124 | G4int G4ExcitedDeltaConstructor::GetiParity(G4int iState) |
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| 125 | { |
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| 126 | return iParity[iState]; |
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| 127 | } |
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| 128 | |
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| 129 | inline |
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| 130 | G4int G4ExcitedDeltaConstructor::GetEncodingOffset(G4int iState) |
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| 131 | { |
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| 132 | return encodingOffset[iState]; |
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| 133 | } |
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| 134 | |
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| 135 | inline |
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| 136 | G4int G4ExcitedDeltaConstructor::GetQuarkContents(G4int iQ, G4int iIso3) |
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| 137 | { |
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| 138 | // Quark contents |
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| 139 | // iIso3 = +3 : uuu |
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| 140 | // iIso3 = +1 : uud |
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| 141 | // iIso3 = -1 : udd |
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| 142 | // iIso3 = -3 : ddd |
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| 143 | G4int quark=0; |
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| 144 | if ( iQ == 0 ){ |
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| 145 | if ( iIso3 == -3 ){ |
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| 146 | // d-quark |
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| 147 | quark = 1; |
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| 148 | } else { |
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| 149 | // u-quark |
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| 150 | quark = 2; |
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| 151 | } |
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| 152 | } else if ( iQ == 2 ){ |
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| 153 | if ( iIso3 == +3 ){ |
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| 154 | // u-quark |
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| 155 | quark = 2; |
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| 156 | } else { |
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| 157 | // d-quark |
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| 158 | quark = 1; |
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| 159 | } |
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| 160 | } else { |
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| 161 | if (( iIso3 == -1 )||( iIso3 == -3 )) { |
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| 162 | // d-quark |
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| 163 | quark = 1; |
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| 164 | } else { |
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| 165 | // u-quark |
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| 166 | quark = 2; |
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| 167 | } |
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| 168 | } |
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| 169 | return quark; |
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| 170 | } |
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| 171 | |
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| 172 | inline |
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| 173 | G4String G4ExcitedDeltaConstructor::GetMultipletName(G4int iState) |
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| 174 | { |
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| 175 | return name[iState]; |
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| 176 | } |
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| 177 | |
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| 178 | inline |
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| 179 | G4String G4ExcitedDeltaConstructor::GetName(G4int iIso3, G4int iState) |
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| 180 | { |
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| 181 | G4String particle = name[iState]; |
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| 182 | if ( iIso3 == -3 ){ |
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| 183 | particle += "-"; |
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| 184 | } else if ( iIso3 == -1 ){ |
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| 185 | particle += "0"; |
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| 186 | } else if ( iIso3 == +1 ){ |
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| 187 | particle += "+"; |
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| 188 | } else { |
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| 189 | particle += "++"; |
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| 190 | } |
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| 191 | return particle; |
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| 192 | } |
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| 193 | #endif |
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| 194 | |
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| 203 | |
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