PWGEM/PhotonMeson: add a task for diphoton-hadron 2PC

Author: dsekihat

PWGEM/Dilepton/Utils/EventHistograms.h

@@ -49,16 +49,31 @@ void addEventHistograms(HistogramRegistry* fRegistry)
   hCollisionCounter->GetXaxis()->SetBinLabel(20, "Calibrated Q vector");
   hCollisionCounter->GetXaxis()->SetBinLabel(21, "accepted");
 
+  const AxisSpec axis_cent_ft0m{{0, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+    20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+    40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+    60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+    80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110}, "centrality FT0M (%)"};
+
+  const AxisSpec axis_cent_ft0a{{0, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+    20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+    40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+    60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+    80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110}, "centrality FT0A (%)"};
+
+  const AxisSpec axis_cent_ft0c{{0, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+    20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+    40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+    60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+    80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110}, "centrality FT0C (%)"};
+
   fRegistry->add("Event/before/hZvtx", "vertex z; Z_{vtx} (cm)", kTH1F, {{100, -50, +50}}, false);
   fRegistry->add("Event/before/hMultNTracksPV", "hMultNTracksPV; N_{track} to PV", kTH1F, {{6001, -0.5, 6000.5}}, false);
   fRegistry->add("Event/before/hMultNTracksPVeta1", "hMultNTracksPVeta1; N_{track} to PV", kTH1F, {{6001, -0.5, 6000.5}}, false);
   fRegistry->add("Event/before/hMultFT0", "hMultFT0;mult. FT0A;mult. FT0C", kTH2F, {{200, 0, 200000}, {60, 0, 60000}}, false);
-  fRegistry->add("Event/before/hCentFT0A", "hCentFT0A;centrality FT0A (%)", kTH1F, {{110, 0, 110}}, false);
-  fRegistry->add("Event/before/hCentFT0C", "hCentFT0C;centrality FT0C (%)", kTH1F, {{110, 0, 110}}, false);
-  fRegistry->add("Event/before/hCentFT0M", "hCentFT0M;centrality FT0M (%)", kTH1F, {{110, 0, 110}}, false);
-  fRegistry->add("Event/before/hCentFT0A_HMpp", "hCentFT0A for HM pp;centrality FT0A (%)", kTH1F, {{100, 0, 1}}, false);
-  fRegistry->add("Event/before/hCentFT0C_HMpp", "hCentFT0C for HM pp;centrality FT0C (%)", kTH1F, {{100, 0, 1}}, false);
-  fRegistry->add("Event/before/hCentFT0M_HMpp", "hCentFT0M for HM pp;centrality FT0M (%)", kTH1F, {{100, 0, 1}}, false);
+  fRegistry->add("Event/before/hCentFT0A", "hCentFT0A;centrality FT0A (%)", kTH1F, {{axis_cent_ft0m}}, false);
+  fRegistry->add("Event/before/hCentFT0C", "hCentFT0C;centrality FT0C (%)", kTH1F, {{axis_cent_ft0a}}, false);
+  fRegistry->add("Event/before/hCentFT0M", "hCentFT0M;centrality FT0M (%)", kTH1F, {{axis_cent_ft0c}}, false);
   fRegistry->add("Event/before/hCentFT0CvsMultNTracksPV", "hCentFT0CvsMultNTracksPV;centrality FT0C (%);N_{track} to PV", kTH2F, {{110, 0, 110}, {600, 0, 6000}}, false);
   fRegistry->add("Event/before/hMultFT0CvsMultNTracksPV", "hMultFT0CvsMultNTracksPV;mult. FT0C;N_{track} to PV", kTH2F, {{60, 0, 60000}, {600, 0, 6000}}, false);
   fRegistry->add("Event/before/hMultFT0CvsOccupancy", "hMultFT0CvsOccupancy;mult. FT0C;N_{track} in time range", kTH2F, {{60, 0, 60000}, {200, 0, 20000}}, false);
@@ -198,9 +213,6 @@ void fillEventInfo(HistogramRegistry* fRegistry, TCollision const& collision, co
   fRegistry->fill(HIST("Event/") + HIST(event_types[ev_id]) + HIST("hCentFT0A"), collision.centFT0A());
   fRegistry->fill(HIST("Event/") + HIST(event_types[ev_id]) + HIST("hCentFT0C"), collision.centFT0C());
   fRegistry->fill(HIST("Event/") + HIST(event_types[ev_id]) + HIST("hCentFT0M"), collision.centFT0M());
-  fRegistry->fill(HIST("Event/") + HIST(event_types[ev_id]) + HIST("hCentFT0A_HMpp"), collision.centFT0A());
-  fRegistry->fill(HIST("Event/") + HIST(event_types[ev_id]) + HIST("hCentFT0C_HMpp"), collision.centFT0C());
-  fRegistry->fill(HIST("Event/") + HIST(event_types[ev_id]) + HIST("hCentFT0M_HMpp"), collision.centFT0M());
   fRegistry->fill(HIST("Event/") + HIST(event_types[ev_id]) + HIST("hCentFT0CvsMultNTracksPV"), collision.centFT0C(), collision.multNTracksPV());
   fRegistry->fill(HIST("Event/") + HIST(event_types[ev_id]) + HIST("hMultFT0CvsMultNTracksPV"), collision.multFT0C(), collision.multNTracksPV());
   fRegistry->fill(HIST("Event/") + HIST(event_types[ev_id]) + HIST("hMultFT0CvsOccupancy"), collision.multFT0C(), collision.trackOccupancyInTimeRange());