Fix Lambda spin correlation selection

Author: skundu692

PWGLF/Tasks/Strangeness/lambdaspincorrderived.cxx

@@ -856,7 +856,8 @@ struct lambdaspincorrderived {
         continue;
       }
 
-      auto poolA = V0s.sliceBy(tracksPerCollisionV0, collision1.index());
+      // auto poolA = V0s.sliceBy(tracksPerCollisionV0, collision1.index());
+      auto poolA = V0s.sliceBy(tracksPerCollisionV0, collision1.globalIndex());
 
       // if pool empty, push and continue
       if (eventPools[bin].empty()) {
@@ -1007,7 +1008,8 @@ struct lambdaspincorrderived {
       }
 
       // push current event into pool
-      auto sliced = V0s.sliceBy(tracksPerCollisionV0, collision1.index());
+      // auto sliced = V0s.sliceBy(tracksPerCollisionV0, collision1.index());
+      auto sliced = V0s.sliceBy(tracksPerCollisionV0, collision1.globalIndex());
       eventPools[bin].emplace_back(collision1.index(), std::move(sliced));
       if ((int)eventPools[bin].size() > nEvtMixing) {
         eventPools[bin].pop_front();
@@ -1457,7 +1459,8 @@ struct lambdaspincorrderived {
         continue;
       }
 
-      auto slice = V0s.sliceBy(tracksPerCollisionV0, col.index());
+      // auto slice = V0s.sliceBy(tracksPerCollisionV0, col.index());
+      auto slice = V0s.sliceBy(tracksPerCollisionV0, col.globalIndex());
 
       for (auto const& t : slice) {
         if (!selectionV0(t)) {
@@ -1660,7 +1663,8 @@ struct lambdaspincorrderived {
       }
 
       const int64_t curColIdx = static_cast<int64_t>(col1.index());
-      auto poolA = V0s.sliceBy(tracksPerCollisionV0, col1.index());
+      // auto poolA = V0s.sliceBy(tracksPerCollisionV0, col1.index());
+      auto poolA = V0s.sliceBy(tracksPerCollisionV0, col1.globalIndex());
 
       for (auto const& [t1, t2] : soa::combinations(o2::soa::CombinationsFullIndexPolicy(poolA, poolA))) {
         if (!selectionV0(t1) || !selectionV0(t2)) {
@@ -1869,7 +1873,8 @@ struct lambdaspincorrderived {
         continue;
       }
 
-      auto slice = V0sMC.sliceBy(tracksPerCollisionV0mc, col.index());
+      // auto slice = V0sMC.sliceBy(tracksPerCollisionV0mc, col.index());
+      auto slice = V0sMC.sliceBy(tracksPerCollisionV0mc, col.globalIndex());
 
       for (auto const& t : slice) {
         if (!selectionV0MC(t)) {
@@ -2078,7 +2083,8 @@ struct lambdaspincorrderived {
       }
 
       const int64_t curColIdx = static_cast<int64_t>(col1.index());
-      auto poolA = V0sMC.sliceBy(tracksPerCollisionV0mc, col1.index());
+      // auto poolA = V0sMC.sliceBy(tracksPerCollisionV0mc, col1.index());
+      auto poolA = V0sMC.sliceBy(tracksPerCollisionV0mc, col1.globalIndex());
 
       for (auto const& [t1, t2] : soa::combinations(o2::soa::CombinationsFullIndexPolicy(poolA, poolA))) {
         if (!selectionV0MC(t1) || !selectionV0MC(t2)) {