Update taskOmegac0ToOmegapi.cxx Remove unused histograms and fix bug

Remove unused histograms and fix bugs

Author: Yunfan-Liu

PWGHF/D2H/Tasks/taskOmegac0ToOmegapi.cxx

@@ -43,9 +43,9 @@ struct HfTaskOmegac0 {
 
   // ThnSparse for ML outputScores and Vars
   ConfigurableAxis thnConfigAxisPromptScore{"thnConfigAxisPromptScore", {50, 0, 1}, "Prompt score bins"};
-  ConfigurableAxis thnConfigAxisMass{"thnConfigAxisMass", {120, 1.5848, 2.1848}, "Cand. inv-mass bins"};
+  ConfigurableAxis thnConfigAxisMass{"thnConfigAxisMass", {120, 2.4, 3.1}, "Cand. inv-mass bins"};
   ConfigurableAxis thnConfigAxisPtB{"thnConfigAxisPtB", {1000, 0, 100}, "Cand. beauty mother pTB bins"};
-  ConfigurableAxis thnConfigAxisPt{"thnConfigAxisPt", {500, 0, 50}, "Cand. pT bins"};
+  ConfigurableAxis thnConfigAxisPt{"thnConfigAxisPt", {100, 0, 20}, "Cand. pT bins"};
   ConfigurableAxis thnConfigAxisY{"thnConfigAxisY", {20, -1, 1}, "Cand. rapidity bins"};
   ConfigurableAxis thnConfigAxisOrigin{"thnConfigAxisOrigin", {3, -0.5, 2.5}, "Cand. origin type"};
   ConfigurableAxis thnConfigAxisCandType{"thnConfigAxisCandType", {6, -0.5, 5.5}, "Omegac0 type"};
@@ -80,7 +80,7 @@ struct HfTaskOmegac0 {
       LOGP(fatal, "At least one process function should be enabled at a time.");
     }
 
-    const AxisSpec thnAxisMass{thnConfigAxisMass, "inv. mass (#pi K) (GeV/#it{c}^{2})"};
+    const AxisSpec thnAxisMass{thnConfigAxisMass, "inv. mass (#Omega #pi) (GeV/#it{c}^{2})"};
     const AxisSpec thnAxisPt{thnConfigAxisPt, "#it{p}_{T} (GeV/#it{c})"};
     const AxisSpec thnAxisPtB{thnConfigAxisPtB, "#it{p}_{T}^{B} (GeV/#it{c})"};
     const AxisSpec thnAxisY{thnConfigAxisY, "y"};
@@ -194,8 +194,6 @@ struct HfTaskOmegac0 {
         float ptGenB = -1;
         auto ptGen = particle.pt();
         auto yGen = particle.rapidityCharmBaryonGen();
-        registry.fill(HIST("hPtGen"), ptGen);
-        registry.fill(HIST("hPtVsYGen"), ptGen, yGen);
 
         unsigned maxNumContrib = 0;
         const auto& recoCollsPerMcColl = collisions.sliceBy(colPerMcCollision, particle.mcCollision().globalIndex());