message: Add new cut setting for max. chi2 per TPC cluster as well as corresponding variations for study of systematics. To be used only in Pb-Pb.
diff: @@ -621,6 +621,7 @@ AliESDtrackCuts* AlidNdPtTools::CreateESDtrackCuts(const char* option, int _cutM
  cuts->SetRequireTPCRefit(kTRUE);
  cuts->SetMinRatioCrossedRowsOverFindableClustersTPC(0.8);
  cuts->SetMaxChi2PerClusterTPC(4);
  + if("newChi2TPCcut") cuts->SetMaxChi2PerClusterTPC(2.5);
  cuts->SetMaxFractionSharedTPCClusters(0.4);
  cuts->SetRequireITSRefit(kTRUE);
  cuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kAny);
  @@ -649,10 +650,12 @@ AliESDtrackCuts* AlidNdPtTools::CreateESDtrackCuts(const char* option, int _cutM
  if(_cutMode == 103)
  {
  cuts->SetMaxChi2PerClusterTPC(3.0);
  + if("newChi2TPCcut") cuts->SetMaxChi2PerClusterTPC(1.7);
  }
  if(_cutMode == 104)
  {
  cuts->SetMaxChi2PerClusterTPC(5.0);
  + if("newChi2TPCcut") cuts->SetMaxChi2PerClusterTPC(3.4);
  }
  if(_cutMode == 105)
  