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Add missing resonances PDG codes in the contraints files #15820

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Add missing resonances PDG codes in the contraints files #15820

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8 changes: 7 additions & 1 deletion Common/Constants/include/CommonConstants/PhysicsConstants.h
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Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,10 @@ enum Pdg {
kLambda1520_Py = 102134,
kK1_1270_0 = 10313,
kK1_1270Plus = 10323,
kCDeuteron = 2010010020
kCDeuteron = 2010010020,
kXi1820Minus = 123314,
kXi1820Zero = 123324,
kOmega2012Minus = 123334
};

/// \brief Declarations of masses for additional particles
Expand Down Expand Up @@ -170,6 +173,9 @@ constexpr double MassLambda1520_Py = 1.5195;
constexpr double MassK1_1270_0 = 1.253;
constexpr double MassK1_1270Plus = 1.272;
constexpr double MassCDeuteron = 3.226;
constexpr double MassXi1820Minus = 1.8234;
constexpr double MassXi1820Zero = 1.8234;
constexpr double MassOmega2012Minus = 2.0125;

/// \brief Declarations of masses for particles in ROOT PDG_t
constexpr double MassDown = 0.00467;
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3 changes: 3 additions & 0 deletions Common/Constants/include/CommonConstants/make_pdg_header.py
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Expand Up @@ -157,6 +157,9 @@ class Pdg(Enum):
kK1_1270_0 = 10313
kK1_1270Plus = 10323
kCDeuteron = 2010010020
kXi1820Minus = 123314 # Xi(1820)-, not in ROOT/PYTHIA PDG_t (see O2DatabasePDG.h)
kXi1820Zero = 123324 # Xi(1820)0, not in ROOT/PYTHIA PDG_t (see O2DatabasePDG.h)
kOmega2012Minus = 123334 # Omega(2012)-, not in ROOT/PYTHIA PDG_t (see O2DatabasePDG.h)


dbPdg = o2.O2DatabasePDG
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9 changes: 9 additions & 0 deletions DataFormats/simulation/include/SimulationDataFormat/O2DatabasePDG.h
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Expand Up @@ -584,6 +584,15 @@ inline void O2DatabasePDG::addALICEParticles(TDatabasePDG* db)
db->AddParticle("Xi_0_Bar_1820", "Xi_0_Bar_1820", 1.8234, kFALSE, 0.024, 0, "Resonance", -ionCode);
}

// Omega(2012)- -> Xi- K0S (see PDG code convention above for Xi(1820))
ionCode = 123334;
if (!db->GetParticle(ionCode)) {
db->AddParticle("Omega_Minus_2012", "Omega_Minus_2012", 2.0125, kFALSE, 0.0064, -3, "Resonance", ionCode);
}
if (!db->GetParticle(-ionCode)) {
db->AddParticle("Omega_Plus_2012", "Omega_Plus_2012", 2.0125, kFALSE, 0.0064, 3, "Resonance", -ionCode);
}

// Ps - hidden strange (s-sbar) pentaquarks

ionCode = 9322134;
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