[PWGJE] Add histogram with q/pT vs phi for tracks (#8687)

Author: KotliarovAr

PWGJE/Tasks/ChJetTriggerQATask.cxx

@@ -89,6 +89,9 @@ struct ChJetTriggerQATask {
   ConfigurableAxis dcaXY_Binning{"dcaXY_Binning", {100, -5., 5.}, ""};
   ConfigurableAxis dcaZ_Binning{"dcaZ_Binning", {100, -3., 3.}, ""};
 
+  ConfigurableAxis xPhiAxis{"xPhiAxis", {180, 0., TMath::TwoPi()}, ""};
+  ConfigurableAxis yQ1pTAxis{"yQ1pTAxis", {200, -0.5, 0.5}, ""};
+
   float fiducialVolume; // 0.9 - jetR
 
   HistogramRegistry spectra;
@@ -128,6 +131,7 @@ struct ChJetTriggerQATask {
     spectra.add("nITSClusters_TrackPt", "Number of ITS hits vs phi & pT of tracks", kTH3F, {{7, 1., 8.}, {60, 0., TMath::TwoPi()}, {100, 0., 100.}});
     spectra.add("ptphiQualityTracks", "pT vs phi of quality tracks", {HistType::kTH2F, {{100, 0., 100.}, {60, 0, TMath::TwoPi()}}});
     spectra.add("ptphiAllTracks", "pT vs phi of all tracks", {HistType::kTH2F, {{100, 0., +100.}, {60, 0, TMath::TwoPi()}}});
+    spectra.add("phi_Q1pT", "Track phi vs. q/pT", kTH2F, {xPhiAxis, yQ1pTAxis});
 
     // Supplementary plots
     if (bAddSupplementHistosToOutput) {
@@ -206,6 +210,7 @@ struct ChJetTriggerQATask {
           continue;
         }
 
+        spectra.fill(HIST("phi_Q1pT"), originalTrack.phi(), originalTrack.sign() / originalTrack.pt());
         spectra.fill(HIST("ptphiQualityTracks"), track.pt(), track.phi());
 
         bool bDcaCondition = (fabs(track.dcaZ()) < dcaZ_cut) && (fabs(track.dcaXY()) < dcaXY_multFact * DcaXYPtCut(track.pt()));