From 2477796e311736acb9a428761882b70a8a5c24db Mon Sep 17 00:00:00 2001
From: Pritam Chakraborty <47203359+prchakra@users.noreply.github.com>
Date: Wed, 11 Dec 2024 16:44:54 +0100
Subject: [PATCH] [PWGCF] FemtoUniverse: Reinstating Occupancy cut in col.
 table (#8930)

---
 .../FemtoUniverse/TableProducer/femtoUniverseProducerTask.cxx  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/PWGCF/FemtoUniverse/TableProducer/femtoUniverseProducerTask.cxx b/PWGCF/FemtoUniverse/TableProducer/femtoUniverseProducerTask.cxx
index 9aa30f2939f..e1428e4a6ab 100644
--- a/PWGCF/FemtoUniverse/TableProducer/femtoUniverseProducerTask.cxx
+++ b/PWGCF/FemtoUniverse/TableProducer/femtoUniverseProducerTask.cxx
@@ -852,13 +852,14 @@ struct femtoUniverseProducerTask {
     const auto vtxZ = col.posZ();
     const auto multNtr = col.multNTracksPV();
     const auto cent = col.centFT0C();
+    const auto occupancy = col.trackOccupancyInTimeRange();
 
     // check whether the basic event selection criteria are fulfilled
     // if the basic selection is NOT fulfilled:
     // in case of skimming run - don't store such collisions
     // in case of trigger run - store such collisions but don't store any
     // particle candidates for such collisions
-    if (!colCuts.isSelectedRun3(col)) {
+    if (!colCuts.isSelectedRun3(col) || (occupancy < ConfTPCOccupancyMin || occupancy > ConfTPCOccupancyMax)) {
       return false;
     } else {
       if ((col.selection_bit(aod::evsel::kNoSameBunchPileup)) && (col.selection_bit(aod::evsel::kIsGoodZvtxFT0vsPV))) {