[PWGEM] SingleTrackQCMC adapt axis labels (#15294)

Author: feisenhu

PWGEM/Dilepton/Core/SingleTrackQCMC.h

@@ -285,16 +285,16 @@ struct SingleTrackQCMC {
         fRegistry.add("Track/PromptLF/positive/hDCAxyRes_Pt", "DCA_{xy} resolution vs. pT;p_{T} (GeV/c);DCA_{xy} resolution (#mum)", kTH2F, {{200, 0, 10}, {500, 0., 500}}, false);
         fRegistry.add("Track/PromptLF/positive/hDCAzRes_Pt", "DCA_{z} resolution vs. pT;p_{T} (GeV/c);DCA_{z} resolution (#mum)", kTH2F, {{200, 0, 10}, {500, 0., 500}}, false);
         fRegistry.add("Track/PromptLF/positive/hDCA3dRes_Pt", "DCA_{3D} resolution vs. pT;p_{T} (GeV/c);DCA_{3D} resolution (#mum)", kTH2F, {{200, 0, 10}, {500, 0., 500}}, false);
-        fRegistry.add("Track/PromptLF/positive/hNclsTPC_Pt", "number of TPC clusters;p_{T,e} (GeV/c);;TPC N_{cls}", kTH2F, {axis_pt, {161, -0.5, 160.5}}, false);
-        fRegistry.add("Track/PromptLF/positive/hNcrTPC_Pt", "number of TPC crossed rows;p_{T,e} (GeV/c);;TPC N_{CR}", kTH2F, {axis_pt, {161, -0.5, 160.5}}, false);
-        fRegistry.add("Track/PromptLF/positive/hChi2TPC", "chi2/number of TPC clusters", kTH1F, {{100, 0, 10}}, false);
-        fRegistry.add("Track/PromptLF/positive/hTPCNcr2Nf", "TPC Ncr/Nfindable", kTH1F, {{200, 0, 2}}, false);
-        fRegistry.add("Track/PromptLF/positive/hTPCNcls2Nf", "TPC Ncls/Nfindable", kTH1F, {{200, 0, 2}}, false);
+        fRegistry.add("Track/PromptLF/positive/hNclsTPC_Pt", "number of TPC clusters;p_{T,e} (GeV/c);TPC N_{cls}", kTH2F, {axis_pt, {161, -0.5, 160.5}}, false);
+        fRegistry.add("Track/PromptLF/positive/hNcrTPC_Pt", "number of TPC crossed rows;p_{T,e} (GeV/c);TPC N_{CR}", kTH2F, {axis_pt, {161, -0.5, 160.5}}, false);
+        fRegistry.add("Track/PromptLF/positive/hChi2TPC", "chi2/number of TPC clusters;TPC #chi^{2}/N_{CR}", kTH1F, {{100, 0, 10}}, false);
+        fRegistry.add("Track/PromptLF/positive/hTPCNcr2Nf", "TPC Ncr/Nfindable;TPC N_{CR}/N_{cls}^{findable}", kTH1F, {{200, 0, 2}}, false);
+        fRegistry.add("Track/PromptLF/positive/hTPCNcls2Nf", "TPC Ncls/Nfindable;TPC N_{cls}/N_{cls}^{findable}", kTH1F, {{200, 0, 2}}, false);
         fRegistry.add("Track/PromptLF/positive/hTPCNclsShared", "TPC Ncls shared/Ncls;p_{T} (GeV/c);N_{cls}^{shared}/N_{cls} in TPC", kTH2F, {{1000, 0, 10}, {100, 0, 1}}, false);
-        fRegistry.add("Track/PromptLF/positive/hNclsITS", "number of ITS clusters", kTH1F, {{8, -0.5, 7.5}}, false);
-        fRegistry.add("Track/PromptLF/positive/hChi2ITS", "chi2/number of ITS clusters", kTH1F, {{100, 0, 10}}, false);
+        fRegistry.add("Track/PromptLF/positive/hNclsITS", "number of ITS clusters;ITS N_{cls}", kTH1F, {{8, -0.5, 7.5}}, false);
+        fRegistry.add("Track/PromptLF/positive/hChi2ITS", "chi2/number of ITS clusters;ITS #chi^{2}/N_{cls}", kTH1F, {{100, 0, 10}}, false);
         fRegistry.add("Track/PromptLF/positive/hDeltaPin", "p_{in} vs. p_{pv};p_{in} (GeV/c);(p_{pv} - p_{in})/p_{in}", kTH2F, {{1000, 0, 10}, {200, -1, +1}}, false);
-        fRegistry.add("Track/PromptLF/positive/hChi2TOF", "TOF Chi2;p_{pv} (GeV/c);chi2", kTH2F, {{1000, 0, 10}, {100, 0, 10}}, false);
+        fRegistry.add("Track/PromptLF/positive/hChi2TOF", "TOF Chi2;p_{pv} (GeV/c);TOF #chi^{2}", kTH2F, {{1000, 0, 10}, {100, 0, 10}}, false);
         fRegistry.add("Track/PromptLF/positive/hITSClusterMap", "ITS cluster map", kTH1F, {{128, -0.5, 127.5}}, false);
         fRegistry.add("Track/PromptLF/positive/hPIDForTracking", "PID for trackng", kTH1F, {{9, -0.5, 8.5}}, false); // see numbering in O2/DataFormats/Reconstruction/include/ReconstructionDataFormats/PID.h
         fRegistry.add("Track/PromptLF/positive/hPtGen_DeltaPtOverPtGen", "electron p_{T} resolution;p_{T}^{gen} (GeV/c);(p_{T}^{rec} - p_{T}^{gen})/p_{T}^{gen}", kTH2F, {{200, 0, 10}, {200, -1.0f, 1.0f}}, true);