[PWGLF] LightNucleiTask - Optimize code, minor fix, extend MB analysis (#3448)

Author: giovannimalfattore

PWGLF/DataModel/LFNucleiTables.h

@@ -30,6 +30,7 @@ namespace fullEvent
 DECLARE_SOA_COLUMN(IsEventReject, isEventReject, int);
 DECLARE_SOA_COLUMN(RunNumber, runNumber, int);
 DECLARE_SOA_COLUMN(MultFV0M, multFV0M, float);
+DECLARE_SOA_COLUMN(CentFT0M, centFT0M, float);
 } // namespace fullEvent
 DECLARE_SOA_TABLE(LfNuclEvents, "AOD", "LFNUCLEvent",
                   o2::soa::Index<>,
@@ -38,6 +39,7 @@ DECLARE_SOA_TABLE(LfNuclEvents, "AOD", "LFNUCLEvent",
                   collision::PosY,
                   collision::PosZ,
                   fullEvent::MultFV0M,
+                  fullEvent::CentFT0M,
                   fullEvent::IsEventReject,
                   fullEvent::RunNumber);
 using LfNuclEvent = LfNuclEvents::iterator;

PWGLF/TableProducer/LFTreeCreatorNuclei.cxx

@@ -94,7 +94,7 @@ struct LfTreeCreatorNuclei {
                        (trackSelType.value == 1 && requireGlobalTrackInFilter()) ||
                        (trackSelType.value == 3);
   Filter DCAcutFilter = (nabs(aod::track::dcaXY) < cfgCutDCAxy) && (nabs(aod::track::dcaZ) < cfgCutDCAz);
-  using EventCandidates = soa::Join<aod::Collisions, aod::EvSels, aod::Mults>;
+  using EventCandidates = soa::Join<aod::Collisions, aod::EvSels, aod::Mults, aod::MultZeqs, aod::CentFT0Ms>;
   using TrackCandidates = soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection,
                                     aod::pidTOFbeta, aod::TOFSignal, aod::pidEvTimeFlags,
                                     aod::pidTPCLfFullPi, aod::pidTOFFullPi,
@@ -140,6 +140,7 @@ struct LfTreeCreatorNuclei {
                 collision.posY(),
                 collision.posZ(),
                 collision.multFV0M(),
+                collision.centFT0M(),
                 collision.sel8(),
                 collision.bc().runNumber());