missing std::abs when checking pdg code, inverted logic in PidManager (bug fix) and fixed axes when filling cluster size histogram

Author: GiorgioAlbertoLucia

PWGLF/TableProducer/QC/nucleiQC.cxx

@@ -380,7 +380,7 @@ struct nucleiQC {
       mHistograms.fill(HIST(nuclei::cNames[kIndex]) + HIST("/h3DCAzVsPtVsCentrality"), candidate.pt, candidate.DCAz, candidate.centrality);
       mHistograms.fill(HIST(nuclei::cNames[kIndex]) + HIST("/h3BetaVsPtVsCentrality"), candidate.pt, candidate.beta, candidate.centrality);
       mHistograms.fill(HIST(nuclei::cNames[kIndex]) + HIST("/h3dEdxVsPVsCentrality"), candidate.pt, candidate.TPCsignal, candidate.centrality);
-      mHistograms.fill(HIST(nuclei::cNames[kIndex]) + HIST("/h3ClusterSizeVsPtVsCentrality"), mPidManagers[kIndex].getClusterSizeCosLambdaITS(candidate.clusterSizesITS, candidate.eta), candidate.pt, candidate.centrality);
+      mHistograms.fill(HIST(nuclei::cNames[kIndex]) + HIST("/h3ClusterSizeVsPtVsCentrality"), candidate.pt, mPidManagers[kIndex].getClusterSizeCosLambdaITS(candidate.clusterSizesITS, candidate.eta), candidate.centrality);
     }
   }
 

PWGLF/Utils/nucleiUtils.h

@@ -475,6 +475,7 @@ class PidManager
     }
   }
 
+  // ITS
   template <typename Ttrack>
   float getClusterSizeCosLambdaITS(const Ttrack& track)
   {
@@ -524,7 +525,7 @@ class PidManager
   template <typename Ttrack>
   float getNSigmaTPC(const Ttrack& track)
   {
-    if (!mUseTpcCentralCalibration) {
+    if (mUseTpcCentralCalibration) {
       return getNSigmaTPCcentral(track);
     }
     float expectedSignal = getExpectedTPCsignal(track.tpcInnerParam());