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[PWGLF] lambdaTwoPartPolarization.cxx: add trigger particle counting #17569

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jikim1290 wants to merge 3 commits into from
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[PWGLF] lambdaTwoPartPolarization.cxx: add trigger particle counting #17569

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3be5c2e
fix bug for event mixing
jikim1290 Aug 18, 2026
f25a25e
fix]
jikim1290 Aug 18, 2026
4d18858
add trigger particle counting
jikim1290 Aug 24, 2026
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19 changes: 11 additions & 8 deletions PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -184,6 +184,7 @@
histos.add("AnaHL/ALambdaSignalSin2", "", {HistType::kTHnSparseF, {ptAxis, ptAxis, detaAxis, dphiAxis, centAxis, massAxis, cosSigAxis}});
histos.add("AnaHL/ALambdaSignalCos2", "", {HistType::kTHnSparseF, {ptAxis, ptAxis, detaAxis, dphiAxis, centAxis, massAxis, cosSigAxis}});

histos.add("AnaHL/RefTrig", "", {HistType::kTH2F, {ptAxis, centAxis}});
histos.add("AnaHL/Ref", "", {HistType::kTHnSparseF, {ptAxis, ptAxis, detaAxis, dphiAxis, centAxis}});

fMultPVCutLow = new TF1("fMultPVCutLow", "[0]+[1]*x+[2]*x*x+[3]*x*x*x - 2.5*([4]+[5]*x+[6]*x*x+[7]*x*x*x+[8]*x*x*x*x)", 0, 100);
Expand Down Expand Up @@ -334,12 +335,14 @@
if (!selectTrack(trk1)) {
continue;
}

histos.fill(HIST("AnaHL/RefTrig"), trk1.pt(), centrality);
for (const auto& trk2 : trks2) {
if (!selectTrack(trk2)) {
continue;
}

if (trk1.globalIndex() >= trk2.globalIndex()) {
if (doprocessDataSame && trk1.globalIndex() >= trk2.globalIndex()) {
continue;
}

Expand Down Expand Up @@ -370,8 +373,10 @@
aLambdaTag = 1;
}

if (postrack_v01.globalIndex() == trk.globalIndex() || negtrack_v01.globalIndex() == trk.globalIndex()) {
continue;
if (doprocessDataSame) {
if (postrack_v01.globalIndex() == trk.globalIndex() || negtrack_v01.globalIndex() == trk.globalIndex()) {
continue;
}
}

if (LambdaTag == aLambdaTag) {
Expand Down Expand Up @@ -536,12 +541,11 @@
TrackCandidates const& tracks, aod::V0Datas const& V0s,
aod::BCsWithTimestamps const&)
{
centrality = collision.centFT0M();
if (cfgCentEst == kFT0C) {
centrality = collision.centFT0C();
} else if (cfgCentEst == kFT0M) {
centrality = collision.centFT0M();
} else {
centrality = collision.centFT0M();
}
if (!eventSelected(collision) && cfgEvtSel) {
return;
Expand All @@ -568,13 +572,12 @@
TrackCandidates const& /*tracks*/, aod::V0Datas const& V0s,
aod::BCsWithTimestamps const&)
{
centrality = collision.centFT0M();
if (cfgCentEst == kFT0C) {
centrality = collision.centFT0C();
} else if (cfgCentEst == kFT0M) {
centrality = collision.centFT0M();
} else {
centrality = collision.centFT0M();
}
}

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if (!eventSelected(collision) && cfgEvtSel) {
return;
}
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