Use corrected jet pT for leading-jet selection

Author: Arvindiiti

PWGJE/Tasks/nucleiInJets.cxx

@@ -2574,8 +2574,9 @@ struct nucleiInJets {
     float leadingDetJetPt = -1.f;
     if (isWithLeadingJet) {
       for (const auto& mcdjet : mcdjets) {
-        if (isConeAxisAccepted(mcdjet.eta()) && mcdjet.pt() > leadingDetJetPt) {
-          leadingDetJetPt = mcdjet.pt();
+        const float mcdJetPtForResponseSel = usebkgSubractionMC ? mcdjet.pt() - backgroundRho * jetArea : mcdjet.pt();
+        if (isConeAxisAccepted(mcdjet.eta()) && mcdJetPtForResponseSel > leadingDetJetPt) {
+          leadingDetJetPt = mcdJetPtForResponseSel;
           leadingDetJetId = mcdjet.globalIndex();
         }
       }