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Add c-deuteron PDG code in physics constants and add missing Lc* in O2DatabasePDG #15511

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Add c-deuteron PDG code in physics constants and add missing Lc* in O2DatabasePDG #15511

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01a306f
Add c-deuteron PDG code in physics constants
fgrosa Jun 11, 2026
da69c72
Fix missing L* resonances
fgrosa Jun 11, 2026
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4 changes: 3 additions & 1 deletion Common/Constants/include/CommonConstants/PhysicsConstants.h
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Expand Up @@ -97,7 +97,8 @@ enum Pdg {
kHyperHelium4Sigma = 1110020040,
kLambda1520_Py = 102134,
kK1_1270_0 = 10313,
kK1_1270Plus = 10323
kK1_1270Plus = 10323,
kCDeuteron = 2010010020
};

/// \brief Declarations of masses for additional particles
Expand Down Expand Up @@ -168,6 +169,7 @@ constexpr double MassHyperHelium4Sigma = 3.995;
constexpr double MassLambda1520_Py = 1.5195;
constexpr double MassK1_1270_0 = 1.253;
constexpr double MassK1_1270Plus = 1.272;
constexpr double MassCDeuteron = 3.226;

/// \brief Declarations of masses for particles in ROOT PDG_t
constexpr double MassDown = 0.00467;
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1 change: 1 addition & 0 deletions Common/Constants/include/CommonConstants/make_pdg_header.py
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Expand Up @@ -156,6 +156,7 @@ class Pdg(Enum):
kLambda1520_Py = 102134 # PYTHIA code different from PDG
kK1_1270_0 = 10313
kK1_1270Plus = 10323
kCDeuteron = 2010010020


dbPdg = o2.O2DatabasePDG
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15 changes: 15 additions & 0 deletions DataFormats/simulation/include/SimulationDataFormat/O2DatabasePDG.h
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Expand Up @@ -732,6 +732,21 @@ inline void O2DatabasePDG::addALICEParticles(TDatabasePDG* db)
db->AddParticle("Xi_c_0_3080", "Xi_c_0_3080", 3.0799, false, 0.0056, 0, "Resonance", ionCode);
}
db->AddAntiParticle("Anti-Xi_c_0_3080", -ionCode);
ionCode = 24124;
if (!db->GetParticle(ionCode)) {
db->AddParticle("Lambda_c_Plus_2860", "Lambda_c_Plus_2860", 2.8561, false, 0.0680, 0, "Resonance", ionCode);
}
db->AddAntiParticle("Anti-Lambda_c_Minus_2860", -ionCode);
ionCode = 24126;
if (!db->GetParticle(ionCode)) {
db->AddParticle("Lambda_c_Plus_2880", "Lambda_c_Plus_2880", 2.8816, false, 0.0056, 0, "Resonance", ionCode);
}
db->AddAntiParticle("Anti-Lambda_c_Minus_2880", -ionCode);
ionCode = 4125;
if (!db->GetParticle(ionCode)) {
db->AddParticle("Lambda_c_Plus_2940", "Lambda_c_Plus_2940", 2.9396, false, 0.0200, 0, "Resonance", ionCode);
}
db->AddAntiParticle("Anti-Lambda_c_Minus_2940", -ionCode);

// d*(2380) - dibaryon resonance

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