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[PWGCF] Add more PDG codes to mass getter in femto framework #18712

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Merged
ariedel-cern merged 1 commit into from
Nov 12, 2026
Merged

[PWGCF] Add more PDG codes to mass getter in femto framework #18712

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35 changes: 35 additions & 0 deletions PWGCF/Femto/Core/femtoUtils.h
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,12 @@ constexpr int DeltaPlusPlus1232 = 2224;
constexpr int Xi01530 = 3324;
constexpr int XiMinus1530 = 3314;

// Sigma(1385) baryons: same situation as Delta(1232)/Xi(1530) above -- no enum entry and no
// mass constant exists anywhere in O2, so both are hardcoded here.
constexpr int SigmaMinus1385 = 3114;
constexpr int Sigma01385 = 3214;
constexpr int SigmaPlus1385 = 3224;

inline double getPdgMass(int pdgCode)
{
// use this function instead of TDatabasePDG to return masses defined in the PhysicsConstants.h header
Expand Down Expand Up @@ -184,6 +190,30 @@ inline double getPdgMass(int pdgCode)
case kLambda1520:
mass = o2::constants::physics::MassLambda1520;
break;
case kDown:
mass = o2::constants::physics::MassDown;
break;
case kUp:
mass = o2::constants::physics::MassUp;
break;
case kStrange:
mass = o2::constants::physics::MassStrange;
break;
case kCharm:
mass = o2::constants::physics::MassCharm;
break;
case kBottom:
mass = o2::constants::physics::MassBottom;
break;
case kTop:
mass = o2::constants::physics::MassTop;
break;
case kGluon:
mass = o2::constants::physics::MassGluon;
break;
case kElectron:
mass = o2::constants::physics::MassElectron;
break;
case DeltaMinus1232:
case Delta01232:
case DeltaPlus1232:
Expand All @@ -194,6 +224,11 @@ inline double getPdgMass(int pdgCode)
case XiMinus1530:
mass = 1.532; // not defined in O2?
break;
case SigmaMinus1385:
case Sigma01385:
case SigmaPlus1385:
mass = 1.3837; // not defined in O2?
break;
default:
LOG(warn) << "PDG code " << pdgCode << " is not suppored. Return 0... ";
}
Expand Down
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