From 3be5c2efd51cf624ad04f8b3e4233355eeafbe24 Mon Sep 17 00:00:00 2001 From: jikim1290 Date: Tue, 18 Aug 2026 16:50:10 +0900 Subject: [PATCH 1/3] fix bug for event mixing --- PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx b/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx index f671585c45b..2d138cf2a51 100644 --- a/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx +++ b/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx @@ -370,8 +370,10 @@ struct LfLambdaTwoPartPolarization { 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) { From f25a25e53f3826dc94eaebd3e156e64706a4b0e6 Mon Sep 17 00:00:00 2001 From: jikim1290 Date: Tue, 18 Aug 2026 20:14:17 +0900 Subject: [PATCH 2/3] fix] --- PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx b/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx index 2d138cf2a51..50e171afabc 100644 --- a/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx +++ b/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx @@ -538,12 +538,11 @@ struct LfLambdaTwoPartPolarization { 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; @@ -570,13 +569,12 @@ struct LfLambdaTwoPartPolarization { 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; } From 4d18858f360a4d78af6f101ba9da8f4a167b7526 Mon Sep 17 00:00:00 2001 From: jikim1290 Date: Mon, 24 Aug 2026 13:19:26 +0900 Subject: [PATCH 3/3] add trigger particle counting --- PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx b/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx index 50e171afabc..11f3a47007b 100644 --- a/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx +++ b/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx @@ -184,6 +184,7 @@ struct LfLambdaTwoPartPolarization { 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); @@ -334,12 +335,14 @@ struct LfLambdaTwoPartPolarization { 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; }