added tpc ncluster distribution for QA checks

Author: sawankumawat

PWGLF/DataModel/LFResonanceTables.h

@@ -73,6 +73,7 @@ DECLARE_SOA_COLUMN(Indices, indices, int[2]);                        //! Field f
 DECLARE_SOA_COLUMN(CascadeIndices, cascIndices, int[3]);             //! Field for the track indices to remove auto-correlations (ordered: positive, negative, bachelor)
 DECLARE_SOA_COLUMN(Sign, sign, int8_t);                              //! Sign of the track charge
 DECLARE_SOA_COLUMN(TPCNClsCrossedRows, tpcNClsCrossedRows, uint8_t); //! Number of TPC crossed rows
+DECLARE_SOA_COLUMN(TPCNClsFound, tpcNClsFound, uint8_t);             //! Number of TPC clusters found
 DECLARE_SOA_COLUMN(IsGlobalTrackWoDCA, isGlobalTrackWoDCA, bool);    //! Is global track without DCA
 DECLARE_SOA_COLUMN(IsPrimaryTrack, isPrimaryTrack, bool);            //! Is primary track
 DECLARE_SOA_COLUMN(IsPVContributor, isPVContributor, bool);          //! Is primary vertex contributor
@@ -116,6 +117,7 @@ DECLARE_SOA_TABLE(ResoTracks, "AOD", "RESOTRACKS",
                   resodaughter::Phi,
                   resodaughter::Sign,
                   resodaughter::TPCNClsCrossedRows,
+                  resodaughter::TPCNClsFound,
                   o2::aod::track::DcaXY,
                   o2::aod::track::DcaZ,
                   o2::aod::track::X,

PWGLF/TableProducer/LFResonanceInitializer.cxx

@@ -445,6 +445,7 @@ struct reso2initializer {
                 track.phi(),
                 track.sign(),
                 (uint8_t)track.tpcNClsCrossedRows(),
+                (uint8_t)track.tpcNClsFound(),
                 track.dcaXY(),
                 track.dcaZ(),
                 track.x(),

PWGLF/Tasks/Resonances/k892analysis.cxx

@@ -93,6 +93,13 @@ struct k892analysis {
     histos.add("k892invmassLS", "Invariant mass of K(892)0 like sign", kTH1F, {invMassAxis});
     histos.add("k892invmassLSAnti", "Invariant mass of Anti-K(892)0 like sign", kTH1F, {invMassAxis});
     histos.add("k892invmassME", "Invariant mass of K(892)0 mixed event", kTH1F, {invMassAxis});
+
+    // TPC ncluster distirbutions
+    histos.add("TPCncluster/TPCnclusterpi", "TPC ncluster distribution", kTH1F, {{160, 0, 160}});
+    histos.add("TPCncluster/TPCnclusterka", "TPC ncluster distribution", kTH1F, {{160, 0, 160}});
+    histos.add("TPCncluster/TPCnclusterPhipi", "TPC ncluster vs phi", kTH2F, {{160, 0, 160}, {63, 0, 6.28}});
+    histos.add("TPCncluster/TPCnclusterPhika", "TPC ncluster vs phi", kTH2F, {{160, 0, 160}, {63, 0, 6.28}});
+
     // DCA QA
     histos.add("QAbefore/trkDCAxy_pi", "DCAxy distribution of pion track candidates", HistType::kTH1F, {dcaxyAxis});
     histos.add("QAbefore/trkDCAxy_ka", "DCAxy distribution of kaon track candidates", HistType::kTH1F, {dcaxyAxis});
@@ -270,6 +277,11 @@ struct k892analysis {
       if (!selectionPIDPion(trk1) || !selectionPIDKaon(trk2))
         continue;
 
+      histos.fill(HIST("TPCncluster/TPCnclusterpi"), trk1.tpcNClsFound());
+      histos.fill(HIST("TPCncluster/TPCnclusterka"), trk2.tpcNClsFound());
+      histos.fill(HIST("TPCncluster/TPCnclusterPhipi"), trk1.tpcNClsFound(), trk1.phi());
+      histos.fill(HIST("TPCncluster/TPCnclusterPhika"), trk2.tpcNClsFound(), trk2.phi());
+
       if constexpr (!IsMix) {
         //// QA plots after the selection
         //  --- PID QA Pion