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[PWGHF] Fix filling of MC collision info in OmegaC creator #12208

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Merged
fcatalan92 merged 1 commit into from
Jul 24, 2025
Merged

[PWGHF] Fix filling of MC collision info in OmegaC creator #12208

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8 changes: 6 additions & 2 deletions PWGHF/TableProducer/candidateCreatorXic0Omegac0.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -2726,18 +2726,22 @@ struct HfCandidateCreatorXic0Omegac0Mc {
const auto mcParticlesPerMcColl = mcParticles.sliceBy(mcParticlesPerMcCollision, mcCollision.globalIndex());
// Slice the collisions table to get the collision info for the current MC collision
float centrality{-1.f};
uint16_t rejectionMask{0};
uint32_t rejectionMask{0u};
int nSplitColl = 0;
if constexpr (centEstimator == CentralityEstimator::FT0C) {
const auto collSlice = collsWithMcLabels.sliceBy(colPerMcCollisionFT0C, mcCollision.globalIndex());
rejectionMask = hfEvSelMc.getHfMcCollisionRejectionMask<BCsInfo, centEstimator>(mcCollision, collSlice, centrality);
nSplitColl = collSlice.size();
} else if constexpr (centEstimator == CentralityEstimator::FT0M) {
const auto collSlice = collsWithMcLabels.sliceBy(colPerMcCollisionFT0M, mcCollision.globalIndex());
rejectionMask = hfEvSelMc.getHfMcCollisionRejectionMask<BCsInfo, centEstimator>(mcCollision, collSlice, centrality);
nSplitColl = collSlice.size();
} else if constexpr (centEstimator == CentralityEstimator::None) {
const auto collSlice = collsWithMcLabels.sliceBy(colPerMcCollision, mcCollision.globalIndex());
rejectionMask = hfEvSelMc.getHfMcCollisionRejectionMask<BCsInfo, centEstimator>(mcCollision, collSlice, centrality);
nSplitColl = collSlice.size();
}
hfEvSelMc.fillHistograms<centEstimator>(mcCollision, rejectionMask);
hfEvSelMc.fillHistograms<centEstimator>(mcCollision, rejectionMask, nSplitColl);
if (rejectionMask != 0) {
/// at least one event selection not satisfied --> reject all particles from this collision
for (unsigned int i = 0; i < mcParticlesPerMcColl.size(); ++i) {
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