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[PWGLF] Inclusion of bestCollision to treat outliers #15519

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Merged
abmodak merged 1 commit into from
Mar 25, 2026
+31 −2
Merged

[PWGLF] Inclusion of bestCollision to treat outliers #15519

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33 changes: 31 additions & 2 deletions PWGLF/Tasks/GlobalEventProperties/studyPnch.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,7 @@ struct StudyPnch {
x->SetBinLabel(6, "INEL > 0");
x->SetBinLabel(7, "|vz| < 10");

if (doprocessData || doprocessCorrelation || doprocessMonteCarlo) {
if (doprocessData || doprocessCorrelation || doprocessMonteCarlo || doprocessModifiedMonteCarlo) {
histos.add("PhiVsEtaHist", "PhiVsEtaHist", kTH2F, {axisPhi, axisEta}, false);
}
if (doprocessData) {
Expand All @@ -148,6 +148,12 @@ struct StudyPnch {
histos.add("hResponseMatrix", "hResponseMatrix", kTH2F, {axisMult, axisMult}, true);
histos.add("hCountNTracks", "hCountNTracks", kTH1F, {axisCountNumberTracks}, true);
}
if (doprocessModifiedMonteCarlo) {
histos.add("hMultiplicityMCrecMod", "hMultiplicityMCrecMod", kTH1F, {axisMult}, true);
histos.add("hMultiplicityMCgenMod", "hMultiplicityMCgenMod", kTH1F, {axisMult}, true);
histos.add("hResponseMatrixMod", "hResponseMatrixMod", kTH2F, {axisMult, axisMult}, true);
histos.add("hCountNTracksMod", "hCountNTracksMod", kTH1F, {axisCountNumberTracks}, true);
}
if (doprocessEvtLossSigLossMC) {
histos.add("MCEventHist", "MCEventHist", kTH1F, {axisEvent}, false);
auto hstat = histos.get<TH1>(HIST("MCEventHist"));
Expand All @@ -163,7 +169,7 @@ struct StudyPnch {
bool isEventSelected(CheckCol const& col)
{
histos.fill(HIST("EventHist"), 1);
if (isApplyTVX && !col.selection_bit(o2::aod::evsel::kIsTriggerTVX)) {
if (!col.selection_bit(o2::aod::evsel::kIsTriggerTVX)) {
return false;
}
histos.fill(HIST("EventHist"), 2);
Expand Down Expand Up @@ -343,6 +349,28 @@ struct StudyPnch {
}
}

void processModifiedMonteCarlo(soa::Join<aod::McCollisions, aod::McCollsExtra>::iterator const& mcCollision, ColMCRecTable const& RecCols, TrackMCTrueTable const& GenParticles, FilTrackMCRecTable const& RecTracks)
{
for (const auto& RecCol : RecCols) {
if (!isEventSelected(RecCol)) {
continue;
}
if (RecCol.globalIndex() != mcCollision.bestCollisionIndex()) {
continue;
}
auto recTracksPart = RecTracks.sliceBy(perCollision, RecCol.globalIndex());
auto multrec = countNTracksMcCol(recTracksPart, RecCol);
if (multrec > 0) {
histos.fill(HIST("hMultiplicityMCrec"), multrec);
}
auto multgen = countGenTracks(GenParticles, mcCollision);
if (multgen > 0 && multrec > 0) {
histos.fill(HIST("hMultiplicityMCgen"), multgen);
histos.fill(HIST("hResponseMatrix"), multrec, multgen);
}
}
}

void processEvtLossSigLossMC(soa::Join<ColMCTrueTable, aod::MultMCExtras>::iterator const& mcCollision, ColMCRecTable const& RecCols, TrackMCTrueTable const& GenParticles)
{
if (isApplyInelgt0 && !mcCollision.isInelGt0()) {
Expand Down Expand Up @@ -387,6 +415,7 @@ struct StudyPnch {
PROCESS_SWITCH(StudyPnch, processData, "process data CentFT0C", false);
PROCESS_SWITCH(StudyPnch, processCorrelation, "do correlation study in data", false);
PROCESS_SWITCH(StudyPnch, processMonteCarlo, "process MC CentFT0C", false);
PROCESS_SWITCH(StudyPnch, processModifiedMonteCarlo, "process MC CentFT0C", false);
PROCESS_SWITCH(StudyPnch, processEvtLossSigLossMC, "process Signal Loss, Event Loss", false);
};

Expand Down
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