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0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 // --------------------------------------------------------------
0027 //  GEANT 4 class implementation file
0028 //
0029 //      History: first implementation, based on object model of
0030 //      10 oct 1998  H.Kurashige
0031 // ---------------------------------------------------------------
0032 #ifndef G4ExcitedMesonConstructor_h
0033 #define G4ExcitedMesonConstructor_h 1
0034 
0035 #include "globals.hh"
0036 class G4DecayTable;
0037 
0038 class G4ExcitedMesonConstructor
0039 {
0040     // This class is a utility class for construction
0041     // short lived particles
0042   public:
0043     enum
0044     {
0045       NMultiplets = 10
0046     };
0047 
0048     enum
0049     {
0050       NMesonTypes = 5
0051     };
0052 
0053     enum
0054     {
0055       NumberOfDecayModes = 19
0056     };
0057 
0058   public:
0059     G4ExcitedMesonConstructor(G4int nStates = 0, G4int isoSpin = 0);
0060     virtual ~G4ExcitedMesonConstructor() = default;
0061 
0062     virtual void Construct(G4int indexOfState = -1);
0063 
0064   protected:
0065     void ConstructMesons(G4int indexOfState, G4int indexOfType);
0066 
0067     G4String GetName(G4int iIso3, G4int iState, G4int idxType);
0068     G4double GetCharge(G4int iIsoSpin3);
0069     G4int GetEncoding(G4int iIsoSpin3, G4int idxState, G4int idxType);
0070     G4int GetQuarkContents(G4int iQ, G4int iIso3, G4int iType);
0071 
0072   protected:
0073     G4DecayTable* CreateDecayTable(const G4String&, G4int, G4int, G4int);
0074 
0075     G4DecayTable* AddKPiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0076                              G4int iType);
0077     G4DecayTable* AddKStarPiMode(G4DecayTable* table, const G4String& name, G4double br,
0078                                  G4int iIso3, G4int iType);
0079     G4DecayTable* AddKStar2PiMode(G4DecayTable* table, const G4String& name, G4double br,
0080                                   G4int iIso3, G4int iType);
0081     G4DecayTable* AddKRhoMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0082                               G4int iType);
0083     G4DecayTable* AddKTwoPiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0084                                 G4int iType);
0085     G4DecayTable* AddKOmegaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0086                                 G4int iType);
0087     G4DecayTable* AddKEtaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0088                               G4int iType);
0089     G4DecayTable* AddPiGammaMode(G4DecayTable* table, const G4String& name, G4double br,
0090                                  G4int iIso3, G4int iIso);
0091     G4DecayTable* AddRhoGammaMode(G4DecayTable* table, const G4String& name, G4double br,
0092                                   G4int iIso3, G4int iIso);
0093     G4DecayTable* Add2PiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0094                              G4int iIso);
0095     G4DecayTable* AddPiRhoMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0096                                G4int iIso);
0097     G4DecayTable* AddPiEtaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0098                                G4int iIso);
0099     G4DecayTable* AddPiF2Mode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0100                               G4int iIso);
0101     G4DecayTable* AddPiF0Mode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0102                               G4int iIso);
0103     G4DecayTable* AddPiA2Mode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0104                               G4int iIso);
0105     G4DecayTable* Add3PiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0106                              G4int iIso);
0107     G4DecayTable* Add4PiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0108                              G4int iIso);
0109     G4DecayTable* AddKKStarMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0110                                 G4int iIso);
0111     G4DecayTable* Add2PiEtaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0112                                 G4int iIso);
0113     G4DecayTable* AddRhoEtaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0114                                 G4int iIso);
0115     G4DecayTable* Add2PiRhoMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0116                                 G4int iIso);
0117     G4DecayTable* Add2PiOmegaMode(G4DecayTable* table, const G4String& name, G4double br,
0118                                   G4int iIso3, G4int iIso);
0119     G4DecayTable* AddPiOmegaMode(G4DecayTable* table, const G4String& name, G4double br,
0120                                  G4int iIso3, G4int iIso);
0121     G4DecayTable* Add2EtaMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0122                               G4int iIso);
0123     G4DecayTable* Add2KMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0124                             G4int iIso);
0125     G4DecayTable* Add2KPiMode(G4DecayTable* table, const G4String& name, G4double br, G4int iIso3,
0126                               G4int iIso);
0127 
0128     G4bool Exist(G4int idxState, G4int idxType);
0129     G4double GetCharge(G4int iIsoSpin3, G4int idxType);
0130 
0131   protected:
0132     enum
0133     {
0134       N11P1 = 0,
0135       N13P0 = 1,
0136       N13P1 = 2,
0137       N13P2 = 3,
0138       N11D2 = 4,
0139       N13D1 = 5,
0140       N13D3 = 6,
0141       N21S0 = 7,
0142       N23S1 = 8,
0143       N23P2 = 9
0144     };
0145 
0146     enum
0147     {
0148       TPi = 0,
0149       TEta = 1,
0150       TEtaPrime = 2,
0151       TK = 3,
0152       TAntiK = 4
0153     };
0154 
0155     const G4String type;
0156     const G4int leptonNumber{0};
0157     const G4int baryonNumber{0};
0158 
0159     static const char* name[NMultiplets][NMesonTypes];
0160     static const G4double mass[NMultiplets][NMesonTypes];
0161     static const G4double massKdiff[NMultiplets];
0162     static const G4double width[NMultiplets][NMesonTypes];
0163     static const G4double widthKdiff[NMultiplets];
0164     static const G4int iIsoSpin[NMesonTypes];
0165     static const G4int iSpin[NMultiplets];
0166     static const G4int iParity[NMultiplets];
0167     static const G4int iGParity[NMultiplets][NMesonTypes];
0168     static const G4int iChargeConjugation[NMultiplets];
0169     static const G4int encodingOffset[NMultiplets];
0170 
0171     enum
0172     {
0173       MPiGamma = 0,
0174       MRhoGamma = 1,
0175       M2Pi = 2,
0176       MPiRho = 3,
0177       M3Pi = 4,
0178       MPiEta = 5,
0179       M4Pi = 6,
0180       MKKStar = 7,
0181       M2PiEta = 8,
0182       MRhoEta = 9,
0183       M2PiRho = 10,
0184       M2PiOmega = 11,
0185       M2Eta = 12,
0186       M2K = 13,
0187       M2KPi = 14,
0188       MPiOmega = 15,
0189       MPiF2 = 16,
0190       MPiF0 = 17,
0191       MPiA2 = 18
0192     };
0193     enum
0194     {
0195       MKPi = 0,
0196       MKStarPi = 1,
0197       MKRho = 2,
0198       MKOmega = 3,
0199       MKStar2Pi = 4,
0200       MKTwoPi = 5,
0201       MKEta = 6
0202     };
0203 
0204     static const G4double bRatio[NMultiplets][NMesonTypes][NumberOfDecayModes];
0205 };
0206 
0207 inline G4String G4ExcitedMesonConstructor::GetName(G4int iIso3, G4int iState, G4int iType)
0208 {
0209   G4String particle = name[iState][iType];
0210   if (iType == TPi) {
0211     if (iIso3 == +2) {
0212       particle += "+";
0213     }
0214     else if (iIso3 == -2) {
0215       particle += "-";
0216     }
0217     else {
0218       particle += "0";
0219     }
0220   }
0221   else if (iType == TK) {
0222     if (iIso3 == +1) {
0223       particle += "+";
0224     }
0225     else if (iIso3 == -1) {
0226       particle += "0";
0227     }
0228   }
0229   else if (iType == TAntiK) {
0230     if (iIso3 == +1) {
0231       particle += "0";
0232       particle = "anti_" + particle;
0233     }
0234     else if (iIso3 == -1) {
0235       particle += "-";
0236     }
0237   }
0238   return particle;
0239 }
0240 
0241 #endif
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