Update correlatorDplusHadrons.cxx

Author: Simple-Shyam

PWGHF/HFC/TableProducer/correlatorDplusHadrons.cxx

@@ -494,6 +494,13 @@ struct HfCorrelatorDplusHadrons {
           if (!track.isGlobalTrackWoDCA()) {
             continue;
           }
+          // Removing Dplus daughters for which |eta|>0.8
+          double etaDaugh1 = RecoDecay::eta(std::array{candidate.pxProng0(), candidate.pyProng0(), candidate.pzProng0()});
+          double etaDaugh2 = RecoDecay::eta(std::array{candidate.pxProng1(), candidate.pyProng1(), candidate.pzProng1()});
+          double etaDaugh3 = RecoDecay::eta(std::array{candidate.pxProng2(), candidate.pyProng2(), candidate.pzProng2()});
+            if (std::abs(etaDaugh1) >= kEtaDaughtersMax || std::abs(etaDaugh2) >= kEtaDaughtersMax || std::abs(etaDaugh3) >= kEtaDaughtersMax) {
+              continue; 
+          }
           // Removing Dplus daughters by checking track indices
           if (removeDaughters) {
             if ((candidate.prong0Id() == track.globalIndex()) || (candidate.prong1Id() == track.globalIndex()) || (candidate.prong2Id() == track.globalIndex())) {