[PWGJE] add the DCAxy axis to the primary mc-particle histogram (#14836)

Author: ynishida-style

PWGJE/Tasks/jetShape.cxx

@@ -135,9 +135,9 @@ struct JetShapeTask {
      {"ptResolution", "ptResolution", {HistType::kTH2F, {{nBinsPt, 0, ptMax}, {100, -1.0, +1.0}}}},
      {"mcCentralityReco", "mcCentralityReco", {HistType::kTH1F, {{100, 0, 100}}}},
      {"mcCentralitySim", "mcCentralitySim", {HistType::kTH1F, {{100, 0, 100}}}},
-     {"ptHistogramPion", "ptHistogramPion", {HistType::kTHnSparseD, {{nBinsPt, 0, ptMax}, {nBinsJetPt, jetPtMinForCut, jetPtMaxForCut}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
-     {"ptHistogramKaon", "ptHistogramKaon", {HistType::kTHnSparseD, {{nBinsPt, 0, ptMax}, {nBinsJetPt, jetPtMinForCut, jetPtMaxForCut}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
-     {"ptHistogramProton", "ptHistogramProton", {HistType::kTHnSparseD, {{nBinsPt, 0, ptMax}, {nBinsJetPt, jetPtMinForCut, jetPtMaxForCut}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
+     {"ptHistogramPion", "ptHistogramPion", {HistType::kTHnSparseD, {{nBinsPt, 0, ptMax}, {nBinsDcaxyForMc, dcaxyMin, dcaxyMax}, {nBinsJetPt, jetPtMinForCut, jetPtMaxForCut}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
+     {"ptHistogramKaon", "ptHistogramKaon", {HistType::kTHnSparseD, {{nBinsPt, 0, ptMax}, {nBinsDcaxyForMc, dcaxyMin, dcaxyMax}, {nBinsJetPt, jetPtMinForCut, jetPtMaxForCut}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
+     {"ptHistogramProton", "ptHistogramProton", {HistType::kTHnSparseD, {{nBinsPt, 0, ptMax}, {nBinsDcaxyForMc, dcaxyMin, dcaxyMax}, {nBinsJetPt, jetPtMinForCut, jetPtMaxForCut}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
      {"ptHistogramPionTof", "ptHistogramPionTof", {HistType::kTHnSparseD, {{nBinsPt, 0, ptMax}, {nBinsJetPt, jetPtMinForCut, jetPtMaxForCut}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
      {"ptHistogramKaonTof", "ptHistogramKaonTof", {HistType::kTHnSparseD, {{nBinsPt, 0, ptMax}, {nBinsJetPt, jetPtMinForCut, jetPtMaxForCut}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
      {"ptHistogramProtonTof", "ptHistogramProtonTof", {HistType::kTHnSparseD, {{nBinsPt, 0, ptMax}, {nBinsJetPt, jetPtMinForCut, jetPtMaxForCut}, {nBinsCentrality, centralityMinForCut, centralityMaxForCut}}}},
@@ -715,11 +715,11 @@ struct JetShapeTask {
         if (isPrimary) {
           // Tracking
           if (isPion)
-            registry.fill(HIST("ptHistogramPion"), mcParticle.pt(), jet.ptCorr, centrality);
+            registry.fill(HIST("ptHistogramPion"), mcParticle.pt(), track.dcaXY(), jet.ptCorr, centrality);
           else if (isKaon)
-            registry.fill(HIST("ptHistogramKaon"), mcParticle.pt(), jet.ptCorr, centrality);
+            registry.fill(HIST("ptHistogramKaon"), mcParticle.pt(), track.dcaXY(), jet.ptCorr, centrality);
           else if (isProton)
-            registry.fill(HIST("ptHistogramProton"), mcParticle.pt(), jet.ptCorr, centrality);
+            registry.fill(HIST("ptHistogramProton"), mcParticle.pt(), track.dcaXY(), jet.ptCorr, centrality);
 
           // TOF matched
           if (hasTof) {