From 66523287cc3355af984c7d25898239d70778d4c8 Mon Sep 17 00:00:00 2001
From: jikim1290 <jikim1290@gmail.com>
Date: Fri, 20 Feb 2026 18:54:52 +0900
Subject: [PATCH 1/4] fixing bug for efficiency correction

---
 PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx b/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
index 79c5c4e2df6..ea68d56ee5d 100644
--- a/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
+++ b/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
@@ -40,6 +40,7 @@ using namespace std;
 using MyCollisions = soa::Join<aod::Collisions, aod::EvSels, aod::Qvectors>;
 using MyTracks = soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection>;
 
+
 struct jEPFlowAnalysis {
 
   HistogramRegistry epFlowHistograms{"EPFlow", {}, OutputObjHandlingPolicy::AnalysisObject, true, true};
@@ -169,6 +170,8 @@ struct jEPFlowAnalysis {
     effVars[1] = eff->GetAxis(1)->FindBin(pt);
     effVars[2] = eff->GetAxis(2)->FindBin(multiplicity);
     effVars[3] = eff->GetAxis(3)->FindBin(posZ);
+    LOGF(info, "etabin: %d, ptbin: %d, centbin: %d, poszbin: %d", effVars[0], effVars[1], effVars[2], effVars[3]);
+
     return eff->GetBinContent(effVars);
   }
 
@@ -251,7 +254,12 @@ struct jEPFlowAnalysis {
 
     if (cfgEffCor) {
       auto bc = coll.bc_as<aod::BCsWithTimestamps>();
-      effMap = ccdb->getForTimeStamp<THnT<float>>(cfgEffCorDir, bc.timestamp());
+      currentRunNumber = bc.runNumber();
+      if (currentRunNumber != lastRunNumber) {
+        effMap.clear();
+        effMap = ccdb->getForTimeStamp<THnT<float>>(cfgEffCorDir, bc.timestamp());
+        lastRunNumber = currentRunNumber;
+      }
     }
 
     float cent = coll.cent();
@@ -350,7 +358,7 @@ struct jEPFlowAnalysis {
           continue;
 
         if (cfgEffCor) {
-          weight /= getEfficiencyCorrection(effMap, track.eta(), track.pt(), cent, coll.posZ());
+          weight = getEfficiencyCorrection(effMap, track.eta(), track.pt(), cent, coll.posZ());
         }
 
         float vn = std::cos((i + 2) * (track.phi() - eps[0]));
@@ -365,6 +373,8 @@ struct jEPFlowAnalysis {
     }
   }
   PROCESS_SWITCH(jEPFlowAnalysis, processDefault, "default process", true);
+
+
 };
 
 WorkflowSpec defineDataProcessing(ConfigContext const& cfgc)

From 2f73e5e54c26aa8dd12477a370bcfcd5ac07e67e Mon Sep 17 00:00:00 2001
From: jikim1290 <jikim1290@gmail.com>
Date: Fri, 20 Feb 2026 20:22:19 +0900
Subject: [PATCH 2/4] fixing bug for efficiency correction

---
 PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx b/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
index ea68d56ee5d..e63fad83ad7 100644
--- a/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
+++ b/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
@@ -170,7 +170,6 @@ struct jEPFlowAnalysis {
     effVars[1] = eff->GetAxis(1)->FindBin(pt);
     effVars[2] = eff->GetAxis(2)->FindBin(multiplicity);
     effVars[3] = eff->GetAxis(3)->FindBin(posZ);
-    LOGF(info, "etabin: %d, ptbin: %d, centbin: %d, poszbin: %d", effVars[0], effVars[1], effVars[2], effVars[3]);
 
     return eff->GetBinContent(effVars);
   }
@@ -256,7 +255,7 @@ struct jEPFlowAnalysis {
       auto bc = coll.bc_as<aod::BCsWithTimestamps>();
       currentRunNumber = bc.runNumber();
       if (currentRunNumber != lastRunNumber) {
-        effMap.clear();
+        effMap->clear();
         effMap = ccdb->getForTimeStamp<THnT<float>>(cfgEffCorDir, bc.timestamp());
         lastRunNumber = currentRunNumber;
       }

From ac1e1464e5fea447d244399d76aef9d22749e9a4 Mon Sep 17 00:00:00 2001
From: jikim1290 <jikim1290@gmail.com>
Date: Sat, 21 Feb 2026 01:22:06 +0900
Subject: [PATCH 3/4] fixing bug for efficiency correction

---
 PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx | 1 -
 1 file changed, 1 deletion(-)

diff --git a/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx b/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
index e63fad83ad7..d32ad49a70c 100644
--- a/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
+++ b/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
@@ -255,7 +255,6 @@ struct jEPFlowAnalysis {
       auto bc = coll.bc_as<aod::BCsWithTimestamps>();
       currentRunNumber = bc.runNumber();
       if (currentRunNumber != lastRunNumber) {
-        effMap->clear();
         effMap = ccdb->getForTimeStamp<THnT<float>>(cfgEffCorDir, bc.timestamp());
         lastRunNumber = currentRunNumber;
       }

From f98c7511aa5655673d2b0d683fe09215036fc408 Mon Sep 17 00:00:00 2001
From: ALICE Action Bot <alibuild@cern.ch>
Date: Fri, 20 Feb 2026 16:22:42 +0000
Subject: [PATCH 4/4] Please consider the following formatting changes

---
 PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx b/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
index d32ad49a70c..13c2e3e72fc 100644
--- a/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
+++ b/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
@@ -40,7 +40,6 @@ using namespace std;
 using MyCollisions = soa::Join<aod::Collisions, aod::EvSels, aod::Qvectors>;
 using MyTracks = soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection>;
 
-
 struct jEPFlowAnalysis {
 
   HistogramRegistry epFlowHistograms{"EPFlow", {}, OutputObjHandlingPolicy::AnalysisObject, true, true};
@@ -371,8 +370,6 @@ struct jEPFlowAnalysis {
     }
   }
   PROCESS_SWITCH(jEPFlowAnalysis, processDefault, "default process", true);
-
-
 };
 
 WorkflowSpec defineDataProcessing(ConfigContext const& cfgc)