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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // -------------------------------------------------------------- 27 // GEANT 4 class implementation file 28 // 29 // History: first implementation, based on object model of 30 // 10 oct 1998 H.Kurashige 31 // --------------------------------------------------------------- 32 #ifndef G4ExcitedXiConstructor_h 33 #define G4ExcitedXiConstructor_h 1 34 35 #include "G4ExcitedBaryonConstructor.hh" 36 #include "globals.hh" 37 38 class G4ExcitedXiConstructor : public G4ExcitedBaryonConstructor 39 { 40 // This class is a utility class for construction 41 // short lived particles 42 public: 43 enum 44 { 45 NStates = 5 46 }; 47 48 enum 49 { 50 NumberOfDecayModes = 4 51 }; 52 53 public: 54 G4ExcitedXiConstructor(); 55 ~G4ExcitedXiConstructor() override = default; 56 57 protected: 58 G4bool Exist(G4int) override { return true; } 59 60 G4int GetQuarkContents(G4int, G4int) override; 61 G4String GetName(G4int iIso3, G4int iState) override; 62 G4String GetMultipletName(G4int iState) override; 63 G4double GetMass(G4int state, G4int iso) override; 64 G4double GetWidth(G4int state, G4int iso) override; 65 G4int GetiSpin(G4int iState) override; 66 G4int GetiParity(G4int iState) override; 67 G4int GetEncodingOffset(G4int iState) override; 68 69 G4DecayTable* CreateDecayTable(const G4String& name, G4int iIso3, G4int iState, 70 G4bool fAnti = false) override; 71 72 private: 73 G4DecayTable* AddXiPiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3, 74 G4bool fAnti); 75 G4DecayTable* AddXiGammaMode(G4DecayTable* table, const G4String& name, G4double br, 76 G4int iIso3, G4bool fAnti); 77 G4DecayTable* AddLambdaKMode(G4DecayTable* table, const G4String& name, G4double br, 78 G4int iIso3, G4bool fAnti); 79 G4DecayTable* AddSigmaKMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3, 80 G4bool fAnti); 81 82 private: 83 enum 84 { 85 XiIsoSpin = 1 86 }; 87 88 static const char* name[NStates]; 89 static const G4double mass[NStates]; 90 static const G4double width[NStates]; 91 static const G4int iSpin[NStates]; 92 static const G4int iParity[NStates]; 93 static const G4int encodingOffset[NStates]; 94 95 enum 96 { 97 XiPi = 0, 98 XiGamma = 1, 99 LambdaK = 2, 100 SigmaK = 3 101 }; 102 103 static const G4double bRatio[NStates][NumberOfDecayModes]; 104 }; 105 106 inline G4int G4ExcitedXiConstructor::GetiSpin(G4int iState) 107 { 108 return iSpin[iState]; 109 } 110 111 inline G4int G4ExcitedXiConstructor::GetiParity(G4int iState) 112 { 113 return iParity[iState]; 114 } 115 116 inline G4int G4ExcitedXiConstructor::GetEncodingOffset(G4int iState) 117 { 118 return encodingOffset[iState]; 119 } 120 121 inline G4int G4ExcitedXiConstructor::GetQuarkContents(G4int iQ, G4int iIso3) 122 { 123 G4int quark = 0; 124 if (iQ == 0) { 125 // s-quark 126 quark = 3; 127 } 128 else if (iQ == 1) { 129 // s-quark 130 quark = 3; 131 } 132 else if (iQ == 2) { 133 if (iIso3 == +1) { 134 // u-quark 135 quark = 2; 136 } 137 else { 138 // d-quark 139 quark = 1; 140 } 141 } 142 return quark; 143 } 144 145 inline G4String G4ExcitedXiConstructor::GetMultipletName(G4int iState) 146 { 147 return name[iState]; 148 } 149 150 inline G4String G4ExcitedXiConstructor::GetName(G4int iIso3, G4int iState) 151 { 152 G4String particle = name[iState]; 153 if (iIso3 == +1) { 154 particle += "0"; 155 } 156 else if (iIso3 == -1) { 157 particle += "-"; 158 } 159 return particle; 160 } 161 #endif 162