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Add Ds and Xic resonances not present in the PDG #14325

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Merged
shahor02 merged 3 commits into from
May 30, 2025
Merged

Add Ds and Xic resonances not present in the PDG #14325

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7e4eaec
Add Ds and Xi resonances not present in the PDG
fgrosa May 25, 2025
8dd9b99
Revert changes in nuclei
fgrosa May 25, 2025
e5c7bbb
Apply naming conventions
fgrosa May 28, 2025
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14 changes: 14 additions & 0 deletions Common/Constants/include/CommonConstants/PhysicsConstants.h
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,10 @@ enum Pdg {
kDSBar = -431,
kDSStar = 433,
kDS1 = 10433,
kDS1Star2700 = 30433,
kDS1Star2860 = 40433,
kDS2Star = 435,
kDS3Star2860 = 437,
kDStar = 413,
kDStar0 = 423,
kChiC1 = 20443,
Expand All @@ -72,6 +75,10 @@ enum Pdg {
kXiCCPlusPlus = 4422,
kXiCPlus = 4232,
kXiC0 = 4132,
kXiC3055Plus = 4325,
kXiC3080Plus = 4326,
kXiC3055_0 = 4315,
kXiC3080_0 = 4316,
kDeuteron = 1000010020,
kTriton = 1000010030,
kHelium3 = 1000020030,
Expand Down Expand Up @@ -104,7 +111,10 @@ constexpr double MassDS = 1.96835;
constexpr double MassDSBar = 1.96835;
constexpr double MassDSStar = 2.1122;
constexpr double MassDS1 = 2.53511;
constexpr double MassDS1Star2700 = 2.714;
constexpr double MassDS1Star2860 = 2.859;
constexpr double MassDS2Star = 2.5691;
constexpr double MassDS3Star2860 = 2.86;
constexpr double MassDStar = 2.01026;
constexpr double MassDStar0 = 2.00685;
constexpr double MassChiC1 = 3.51067;
Expand All @@ -125,6 +135,10 @@ constexpr double MassXiB0 = 5.7919;
constexpr double MassXiCCPlusPlus = 3.62155;
constexpr double MassXiCPlus = 2.46771;
constexpr double MassXiC0 = 2.47044;
constexpr double MassXiC3055Plus = 3.0559;
constexpr double MassXiC3080Plus = 3.0772;
constexpr double MassXiC3055_0 = 3.059;
constexpr double MassXiC3080_0 = 3.0799;
constexpr double MassDeuteron = 1.87561294257;
constexpr double MassTriton = 2.80892113298;
constexpr double MassHelium3 = 2.80839160743;
Expand Down
7 changes: 7 additions & 0 deletions Common/Constants/include/CommonConstants/make_pdg_header.py
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Expand Up @@ -106,7 +106,10 @@ class Pdg(Enum):
kDSBar = -431
kDSStar = 433
kDS1 = 10433
kDS1Star2700 = 30433
kDS1Star2860 = 40433
kDS2Star = 435
kDS3Star2860 = 437
kDStar = 413
kDStar0 = 423
kChiC1 = 20443
Expand All @@ -127,6 +130,10 @@ class Pdg(Enum):
kXiCCPlusPlus = 4422
kXiCPlus = 4232
kXiC0 = 4132
kXiC3055Plus = 4325
kXiC3080Plus = 4326
kXiC3055_0 = 4315
kXiC3080_0 = 4316
kDeuteron = 1000010020
kTriton = 1000010030
kHelium3 = 1000020030
Expand Down
43 changes: 40 additions & 3 deletions DataFormats/simulation/include/SimulationDataFormat/O2DatabasePDG.h
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Expand Up @@ -640,10 +640,47 @@ inline void O2DatabasePDG::addALICEParticles(TDatabasePDG* db)
db->AddParticle("Anti-Theta_c_3100", "Anti-Theta_c_3100", 3.099, kFALSE,
83.e-6, 0, "Resonance", ionCode); // same width as D*+ (83 keV)
}
if (!db->GetParticle(-ionCode)) {
db->AddParticle("Theta_c_3100", "Theta_c_3100", 3.099, kFALSE,
83.e-6, 0, "Resonance", -ionCode); // same width as D*+ (83 keV)
db->AddAntiParticle("Theta_c_3100", -ionCode);

// Charm resonances not present in PYTHIA (consistent with https://github.com/AliceO2Group/O2DPG/blob/master/MC/config/PWGHF/pythia8/generator/pythia8_charmhadronic_with_decays_DResoTrigger.cfg)
// Mesons
ionCode = 30433;
if (!db->GetParticle(ionCode)) {
db->AddParticle("D*_s1_Plus_2700", "D*_s1_Plus_2700", 2.714, false, 0.122, 3, "Resonance", ionCode);
}
db->AddAntiParticle("D*_s1_Minus_2700", -ionCode);
ionCode = 40433;
if (!db->GetParticle(ionCode)) {
db->AddParticle("D*_s1_Plus_2860", "D*_s1_Plus_2860", 2.859, false, 0.160, 3, "Resonance", ionCode);
}
db->AddAntiParticle("D*_s1_Minus_2860", -ionCode);
ionCode = 437;
if (!db->GetParticle(ionCode)) {
db->AddParticle("D*_s3_Plus_2860", "D*_s3_Plus_2860", 2.860, false, 0.053, 3, "Resonance", ionCode);
}
db->AddAntiParticle("D*_s3_Minus_2860", -ionCode);

// Baryons
ionCode = 4325;
if (!db->GetParticle(ionCode)) {
db->AddParticle("Xi_c_Plus_3055", "Xi_c_Plus_3055", 3.0559, false, 0.0078, 3, "Resonance", ionCode);
}
db->AddAntiParticle("Xi_c_Minus_3055", -ionCode);
ionCode = 4326;
if (!db->GetParticle(ionCode)) {
db->AddParticle("Xi_c_Plus_3080", "Xi_c_Plus_3080", 3.0772, false, 0.0036, 3, "Resonance", ionCode);
}
db->AddAntiParticle("Xi_c_Minus_3080", -ionCode);
ionCode = 4315;
if (!db->GetParticle(ionCode)) {
db->AddParticle("Xi_c_0_3055", "Xi_c_0_3055", 3.0590, false, 0.0064, 0, "Resonance", ionCode);
}
db->AddAntiParticle("Anti-Xi_c_0_3055", -ionCode);
ionCode = 4316;
if (!db->GetParticle(ionCode)) {
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);

// d*(2380) - dibaryon resonance

Expand Down