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[PWGLF] Added treatment for outliers in MC tracks #14509

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Merged
abmodak merged 1 commit into from
Jan 15, 2026
+23 −1
Merged

[PWGLF] Added treatment for outliers in MC tracks #14509

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24 changes: 23 additions & 1 deletion PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -251,6 +251,28 @@ struct StudyPnch {
return nTrk;
}

template <typename countTrk, typename McColType>
int countNTracksMcCol(countTrk const& tracks, McColType const& McCol)
{
auto nTrk = 0;
for (const auto& track : tracks) {
if (!isTrackSelected(track)) {
continue;
}

// Verify that the track belongs to the given MC collision
if (track.has_mcParticle()) {
auto particle = track.mcParticle();
if (particle.mcCollisionId() != McCol.mcCollisionId()) {
continue;
}
}
histos.fill(HIST("PhiVsEtaHist"), track.phi(), track.eta());
nTrk++;
}
return nTrk;
}

Filter fTrackSelectionITS = ncheckbit(aod::track::v001::detectorMap, (uint8_t)o2::aod::track::ITS) &&
ncheckbit(aod::track::trackCutFlag, TrackSelectionIts);
Filter fTrackSelectionTPC = ifnode(ncheckbit(aod::track::v001::detectorMap, (uint8_t)o2::aod::track::TPC),
Expand Down Expand Up @@ -287,7 +309,7 @@ struct StudyPnch {
continue;
}
auto recTracksPart = RecTracks.sliceBy(perCollision, RecCol.globalIndex());
auto multrec = countNTracks(recTracksPart);
auto multrec = countNTracksMcCol(recTracksPart, RecCol);
histos.fill(HIST("hMultiplicityMCrec"), multrec);
auto multgen = countGenTracks(GenParticles);
histos.fill(HIST("hMultiplicityMCgen"), multgen);
Expand Down
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