From 02d43f3bd030c01fbb07dce8035334dfc3db28d4 Mon Sep 17 00:00:00 2001
From: jikim1290 <jikim1290@gmail.com>
Date: Mon, 24 Aug 2026 13:24:40 +0900
Subject: [PATCH 1/2] add trigger particle counting

---
 PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx b/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx
index 34b2a8ac52d..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;
         }
 
@@ -574,7 +577,7 @@ struct LfLambdaTwoPartPolarization {
       centrality = collision.centFT0C();
     } else if (cfgCentEst == kFT0M) {
       centrality = collision.centFT0M();
-    }
+    } 
     if (!eventSelected(collision) && cfgEvtSel) {
       return;
     }

From 0744eeb110eecd887bef99a675af49ff33da54a1 Mon Sep 17 00:00:00 2001
From: ALICE Action Bot <alibuild@cern.ch>
Date: Mon, 24 Aug 2026 04:25:59 +0000
Subject: [PATCH 2/2] Please consider the following formatting changes

---
 PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx b/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx
index 11f3a47007b..1859c3f0782 100644
--- a/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx
+++ b/PWGLF/Tasks/Strangeness/lambdaTwoPartPolarization.cxx
@@ -577,7 +577,7 @@ struct LfLambdaTwoPartPolarization {
       centrality = collision.centFT0C();
     } else if (cfgCentEst == kFT0M) {
       centrality = collision.centFT0M();
-    } 
+    }
     if (!eventSelected(collision) && cfgEvtSel) {
       return;
     }