From d4d79ac1e6c275a0f9741cba7dc5bf7247d0a4d9 Mon Sep 17 00:00:00 2001
From: jikim1290 <jikim1290@gmail.com>
Date: Fri, 29 May 2026 18:53:24 +0900
Subject: [PATCH] fix bug for the atio

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

diff --git a/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx b/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
index a0e47675ea2..983b3ef07bc 100644
--- a/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
+++ b/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx
@@ -413,7 +413,7 @@ struct JEPFlowAnalysis {
         }
       }
       if (i == 0) { // second harmonic only
-        auto qOvecM = calcFT0CRawQVecMag(coll, i + 2);
+        auto qOvecM = calcFT0CRawQVecMag(coll, i + 2) / coll.qvecAmp()[detId];
 
         epFlowHistograms.fill(HIST("hQoverM"), cent, highestPt, qOvecM);
         epFlowHistograms.fill(HIST("hQoverM2M"), cent, coll.qvecAmp()[detId], qOvecM);