AliceO2Group · jgcn · Apr 2, 2026 · Apr 2, 2026 · Apr 2, 2026 · Apr 2, 2026
@@ -1,4 +1,4 @@
 # Copyright 2019-2020 CERN and copyright holders of ALICE O2.
 # See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
 # All rights not expressly granted are reserved.
 #
@@ -17,7 +17,7 @@
                        O2::DetectorsCommonDataFormats
                        O2::DetectorsVertexing
                        COMPONENT_NAME Analysis)
 o2physics_add_dpl_workflow(lumifddft0
                        SOURCES LumiFDDFT0.cxx
                        PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore
                        O2::ReconstructionDataFormats
@@ -26,7 +26,7 @@
                        O2::DetectorsVertexing
                        COMPONENT_NAME Analysis)

 o2physics_add_dpl_workflow(fitvdm
        SOURCES fitLumi.cxx
        PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore
        O2::ReconstructionDataFormats
@@ -35,7 +35,7 @@
        O2::DetectorsVertexing
        COMPONENT_NAME Analysis)

 o2physics_add_dpl_workflow(lumistab
        SOURCES lumiStability.cxx
        PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore
        O2::ReconstructionDataFormats
@@ -50,3 +50,8 @@
         SOURCES lumiStabilityPP.cxx
         PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCCDB O2Physics::AnalysisCore
         COMPONENT_NAME Analysis)
+
+o2physics_add_dpl_workflow(lumi-zdc-qa
+        SOURCES lumiZdcQa.cxx
+        PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCCDB O2Physics::AnalysisCore
+        COMPONENT_NAME Analysis)
@@ -56,30 +56,9 @@
 
 o2::common::core::MetadataHelper metadataInfo;
 
-namespace o2::aod
-{
-namespace myBc_aod
-{
-DECLARE_SOA_COLUMN(Timestamp, timestamp, uint64_t);
-DECLARE_SOA_COLUMN(BCid, bcId, int);
-DECLARE_SOA_COLUMN(TimeZNA, timeZNA, float);
-DECLARE_SOA_COLUMN(TimeZNC, timeZNC, float);
-DECLARE_SOA_COLUMN(AmplitudeZNA, amplitudeZNA, float);
-DECLARE_SOA_COLUMN(AmplitudeZNC, amplitudeZNC, float);
-} // namespace myBc_aod
-DECLARE_SOA_TABLE(MyBCaod, "AOD", "MYBCAOD",
-                  myBc_aod::Timestamp,
-                  myBc_aod::BCid,
-                  myBc_aod::TimeZNA,
-                  myBc_aod::TimeZNC,
-                  myBc_aod::AmplitudeZNA,
-                  myBc_aod::AmplitudeZNC);
-} // namespace o2::aod
-
 using MyBCs = soa::Join<aod::BCs, aod::BcSels, aod::Timestamps, aod::Run3MatchedToBCSparse>;
 
 struct LumiStabilityLightIons {
-  Produces<aod::MyBCaod> BCaod;
 
   Configurable<bool> cfgDoFT0Vtx{"cfgDoFT0Vtx", true, "Create and fill histograms for the FT0 vertex trigger"};
   Configurable<bool> cfgDoFT0CE{"cfgDoFT0CE", true, "Create and fill histograms for the FT0 centrality trigger"};
@@ -99,20 +78,12 @@
   Configurable<bool> cfgDoBCNSLFDD{"cfgDoBCNSLFDD", true, "Create and fill histograms for non-super-leading BCs w.r.t. FDD activity"};
   Configurable<bool> cfgDoBCNSLFT0{"cfgDoBCNSLFT0", true, "Create and fill histograms for non-super-leading BCs w.r.t. FT0 activity"};
 
-  Configurable<bool> cfgRequireZDCTriggerForZDCQA{"cfgRequireZDCTriggerForZDCQA", true, "Require ZDC trigger (1ZNC) for filling QA histograms"};
-  Configurable<bool> cfgRequireTVXTriggerForZDCQA{"cfgRequireTVXTriggerForZDCQA", true, "Require FT0 vertex trigger (MTVX) for filling ZDC QA histograms"};
-  Configurable<bool> cfgRequireZEDTriggerForZDCQA{"cfgRequireZEDTriggerForZDCQA", true, "Require ZED trigger (1ZNC||1ZNA) for filling QA histograms"};
-
   Configurable<bool> cfgRequireNoT0ForSLBC{"cfgRequireNoT0ForSLBC", false, "Require no T0 signal for definition of super leading BC (otherwise only no FDD)"};
 
   Configurable<int> cfgEmptyBCsBeforeLeadingBC{"cfgEmptyBCsBeforeLeadingBC", 5, "Minimum number of non-B BCs before a BCL leading BC"};
   Configurable<int> cfgEmptyBCsBeforeLeadingBCLE{"cfgEmptyBCsBeforeLeadingBCLE", 5, "Minimum number of strictly empty (E-type) BCs before a BCLE leading BC"};
   Configurable<int> cfgBCsBeforeSuperLeading{"cfgBCsBeforeSuperLeading", 5, "Minimum number of BCs without FDD/FT0 activity before a super-leading BC"};
 
-  Configurable<bool> cfgFillBCao2d{"cfgFillBCao2d", false, "Fill BC ao2d with timestamps and ZDC times"};
-  Configurable<uint64_t> cfgTstampStartFillingBCao2d{"cfgTstampStartFillingBCao2d", 0, "Minimum value of timestamp for output bc ao2d to be filled"};
-  Configurable<uint64_t> cfgTstampEndFillingBCao2d{"cfgTstampEndFillingBCao2d", 0, "Maximum value of timestamp for output bc ao2d to be filled"};
-
   Configurable<int> cfgBcShiftFDDForData2023{"cfgBcShiftFDDForData2023", 7, "Number of BCs to shift FDD, applied for 2023 data only"};
 
   std::bitset<o2::constants::lhc::LHCMaxBunches> beamPatternA, beamPatternC;
@@ -156,7 +127,7 @@
     kBCNSLFT0 = 11
   };
 
-  static constexpr std::string_view NBCsVsTimeHistNames[6][12] = {
+  static constexpr std::string_view NBCsVsTimeHistNames[5][12] = {
     {"AllBCs/BC_A/nBCsVsTime", "AllBCs/BC_B/nBCsVsTime", "AllBCs/BC_C/nBCsVsTime", "AllBCs/BC_E/nBCsVsTime", "AllBCs/BC_L/nBCsVsTime", "AllBCs/BC_LE/nBCsVsTime", "AllBCs/BC_NL/nBCsVsTime", "AllBCs/BC_NLE/nBCsVsTime", "AllBCs/BC_SL_FDD/nBCsVsTime", "AllBCs/BC_SL_FT0/nBCsVsTime", "AllBCs/BC_NSL_FDD/nBCsVsTime", "AllBCs/BC_NSL_FT0/nBCsVsTime"},
     {"FT0VTx/BC_A/nBCsVsTime", "FT0VTx/BC_B/nBCsVsTime", "FT0VTx/BC_C/nBCsVsTime", "FT0VTx/BC_E/nBCsVsTime", "FT0VTx/BC_L/nBCsVsTime", "FT0VTx/BC_LE/nBCsVsTime", "FT0VTx/BC_NL/nBCsVsTime", "FT0VTx/BC_NLE/nBCsVsTime", "FT0VTx/BC_SL_FDD/nBCsVsTime", "FT0VTx/BC_SL_FT0/nBCsVsTime", "FT0VTx/BC_NSL_FDD/nBCsVsTime", "FT0VTx/BC_NSL_FT0/nBCsVsTime"},
     {"FT0CE/BC_A/nBCsVsTime", "FT0CE/BC_B/nBCsVsTime", "FT0CE/BC_C/nBCsVsTime", "FT0CE/BC_E/nBCsVsTime", "FT0CE/BC_L/nBCsVsTime", "FT0CE/BC_LE/nBCsVsTime", "FT0CE/BC_NL/nBCsVsTime", "FT0CE/BC_NLE/nBCsVsTime", "FT0CE/BC_SL_FDD/nBCsVsTime", "FT0CE/BC_SL_FT0/nBCsVsTime", "FT0CE/BC_NSL_FDD/nBCsVsTime", "FT0CE/BC_NSL_FT0/nBCsVsTime"},
@@ -220,10 +191,7 @@
               (iBCCategory == kBCNSLFDD && cfgDoBCNSLFDD) || (iBCCategory == kBCNSLFT0 && cfgDoBCNSLFT0)) {
             mHistManager.add(Form("%s", std::string(NBCsVsTimeHistNames[iTrigger][iBCCategory]).c_str()), "Time of triggered BCs since the start of fill;#bf{t-t_{SOF} (min)};#bf{#it{N}_{BC}}", HistType::kTH1D, {timeAxis});
             mHistManager.add(Form("%s", std::string(NBCsVsBCIDHistNames[iTrigger][iBCCategory]).c_str()), "BC ID of triggered BCs;#bf{BC ID in orbit};#bf{#it{N}_{BC}}", HistType::kTH1D, {bcIDAxis});
-            mInspectedHistos[iTrigger][iBCCategory] = mHistManager.add<TH1>(
-              Form("%s", std::string(NBCsInspectedVsBCIDHistNames[iTrigger][iBCCategory]).c_str()),
-              "Inspected BC ID (denominator for mu);#bf{BC ID in orbit};#bf{#it{N}_{BC}}",
-              HistType::kTH1D, {bcIDAxis});
+            mInspectedHistos[iTrigger][iBCCategory] = mHistManager.add<TH1>(Form("%s", std::string(NBCsInspectedVsBCIDHistNames[iTrigger][iBCCategory]).c_str()), "Inspected BC ID (denominator for mu);#bf{BC ID in orbit};#bf{#it{N}_{BC}}", HistType::kTH1D, {bcIDAxis});
           }
         }
       }
@@ -246,19 +214,6 @@
     mHistManager.add("FT0Vtx_EvSel/nBCsVsTime", "Time of TVX triggered BCs since the start of fill;;#bf{#it{N}_{BC}}", HistType::kTH1D, {timeAxis});
     mHistManager.add("nBCsVsBCID", "Time of TVX triggered BCs since the start of fill;#bf{t-t_{SOF} (min)};#bf{#it{N}_{BC}}", HistType::kTH1D, {bcIDAxis});
     mHistManager.add("TFsPerMinute", "TFs seen in this minute (to account for failed jobs);#bf{t-t_{SOF} (min)};#bf{#it{N}_{TFs}}", HistType::kTH1D, {timeAxis});
-
-    if (cfgDo1ZNC) {
-      AxisSpec zdcTimeAxis{200, -50., 50.};
-      mHistManager.add("ZDCQA/BCHasZDC", "Does the BC have ZDC?;BC has ZDC;Has ZNC according to CTP;#bf{#it{N}_{BC}}", HistType::kTH2D, {{2, -0.5, 1.5}, {2, -0.5, 1.5}});
-      mHistManager.get<TH2>(HIST("ZDCQA/BCHasZDC")).get()->GetYaxis()->SetBinLabel(1, "No CTP trigger");
-      mHistManager.get<TH2>(HIST("ZDCQA/BCHasZDC")).get()->GetYaxis()->SetBinLabel(2, "CTP triggered");
-      mHistManager.get<TH2>(HIST("ZDCQA/BCHasZDC")).get()->GetXaxis()->SetBinLabel(1, "No found ZDC");
-      mHistManager.get<TH2>(HIST("ZDCQA/BCHasZDC")).get()->GetXaxis()->SetBinLabel(2, "Good ZDC");
-      mHistManager.add("ZDCQA/ZNCTimeVsEnergy", "ZDC properties in BCs with found ZDC;Energy;#bf{ZNC arrival time (ns)};#bf{#it{N}_{BC}}", HistType::kTH2D, {{1501, -10, 1.5E4}, zdcTimeAxis});
-      mHistManager.add("ZDCQA/ZDCTimes", "Correlation between ZNA and ZNC timing;#bf{ZNC arrival time (ns)};#bf{ZNA arrival time (ns)}", HistType::kTH2D, {zdcTimeAxis, zdcTimeAxis});
-      mHistManager.add("ZDCQA/ZNATime", "Time of the ZNA signal;#bf{ZNA arrival time (ns)};#bf{#it{N}_{BC}}", HistType::kTH1D, {zdcTimeAxis});
-      mHistManager.add("ZDCQA/ZNCTime", "Time of the ZNC signal;#bf{ZNC arrival time (ns)};#bf{#it{N}_{BC}}", HistType::kTH1D, {zdcTimeAxis});
-    }
   }
 
   void setLHCIFData(const auto& bc)
@@ -431,85 +386,25 @@
     }
   }
 
-  void processZDCQA(MyBCs const& bcs, aod::Zdcs const&)
-  {
-    const int maxTimeZDC = 50;
-    const float dummyZDCTime = 42.f;
-
-    for (const auto& bc : bcs) {
-      std::bitset<64> ctpInputMask(bc.inputMask());
-
-      if (cfgRequireTVXTriggerForZDCQA && !(ctpInputMask.test(2))) {
-        continue;
-      }
-      if (cfgRequireZDCTriggerForZDCQA && !(ctpInputMask.test(25))) {
-        continue;
-      }
-      if (cfgRequireZEDTriggerForZDCQA && !(ctpInputMask.test(24))) {
-        continue;
-      }
-
-      bool zdcHit = !bc.has_zdc() ? 0 : ((bc.zdc().energyCommonZNC() > -1 && std::abs(bc.zdc().timeZNC()) < 1E5) ? 1 : 0);
-      mHistManager.fill(HIST("ZDCQA/BCHasZDC"), zdcHit, ctpInputMask.test(25) ? 1 : 0);
-
-      if (!bc.has_zdc()) {
-        continue;
-      }
-
-      mHistManager.fill(HIST("ZDCQA/ZNCTimeVsEnergy"),
-                        bc.zdc().energyCommonZNC() > -1 ? bc.zdc().energyCommonZNC() : -1,
-                        std::abs(bc.zdc().timeZNC()) < maxTimeZDC ? bc.zdc().timeZNC() : dummyZDCTime);
-
-      float timeZNA = bc.zdc().timeZNA();
-      float timeZNC = bc.zdc().timeZNC();
-
-      if (std::abs(timeZNA) > maxTimeZDC) {
-        timeZNA = dummyZDCTime;
-        mHistManager.fill(HIST("ZDCQA/ZNCTime"), timeZNC);
-      }
-      if (std::abs(timeZNC) > maxTimeZDC) {
-        timeZNC = dummyZDCTime;
-        if (timeZNA != dummyZDCTime) {
-          mHistManager.fill(HIST("ZDCQA/ZNATime"), timeZNA);
-        }
-      }
-
-      mHistManager.fill(HIST("ZDCQA/ZDCTimes"), timeZNA, timeZNC);
-
-      uint64_t timestamp = bc.timestamp();
-      int64_t globalBC = bc.globalBC();
-      int localBC = globalBC % nBCsPerOrbit;
-      float amplitudeZNA = bc.zdc().amplitudeZNA();
-      float amplitudeZNC = bc.zdc().amplitudeZNC();
-
-      if (cfgFillBCao2d && timestamp >= cfgTstampStartFillingBCao2d && timestamp <= cfgTstampEndFillingBCao2d) {
-        BCaod(timestamp, localBC, timeZNA, timeZNC, amplitudeZNA, amplitudeZNC);
-      }
-    }
-  }
-  PROCESS_SWITCH(LumiStabilityLightIons, processZDCQA, "process QA for the ZDC triggers (light ions and PbPb)", false);
-
   void process(MyBCs const& bcs, aod::FT0s const&, aod::FDDs const&)
   {
     DenomCounter nBCsPerBcId(nBCsPerOrbit);
    for (auto& triggerArr : nBCsPerBcId) {
      for (auto& catArr : triggerArr) {
        catArr.fill(0);
      }
     }
 
     for (const auto& bc : bcs) {
-      if (bc.timestamp() == 0) {
+      if (bc.timestamp() == 0)
         continue;
-      }
 
       setLHCIFData(bc);
 
       float timeSinceSOF = getTimeSinceSOF(bc);
 
-      if (bc.selection_bit(aod::evsel::kIsTriggerTVX)) {
+      if (bc.selection_bit(aod::evsel::kIsTriggerTVX))
         mHistManager.fill(HIST("FT0Vtx_EvSel/nBCsVsTime"), timeSinceSOF);
-      }
 
       int64_t globalBC = bc.globalBC();
       int localBC = static_cast<int>(globalBC % nBCsPerOrbit);
@@ -541,9 +436,8 @@
 
       int64_t globalBCStart = (globalBCLastInspectedBC >= 0 && globalBCLastInspectedBC < globalBC) ? globalBCLastInspectedBC + 1 : globalBC;
       const int64_t maxBcGap = 2LL * nBCsPerOrbit;
-      if (globalBC - globalBCStart > maxBcGap) {
+      if (globalBC - globalBCStart > maxBcGap)
         globalBCStart = globalBC;
-      }
 
       for (int64_t iGBC = globalBCStart; iGBC <= globalBC; ++iGBC) {
         const int iLBC = static_cast<int>((iGBC % nBCsPerOrbit + nBCsPerOrbit) % nBCsPerOrbit);
@@ -578,12 +472,10 @@
         }
       }
 
-      if (anyFDDTrigger) {
+      if (anyFDDTrigger)
         globalBCIdOfLastBCWithActivityFDD = globalBCFDD;
-      }
-      if (anyFT0Trigger) {
+      if (anyFT0Trigger)
         globalBCIdOfLastBCWithActivityFT0 = globalBC;
-      }
 
       globalBCLastInspectedBC = globalBC;
 

@@ -0,0 +1,165 @@
+// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+// All rights not expressly granted are reserved.
+//
+// This software is distributed under the terms of the GNU General Public
+// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+//
+// In applying this license CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+//
+/// \file lumiStabilityLightIons.cxx
+/// \brief Analysis over BCs to study the luminosity stability along time
+///
+/// \author Nicolas Strangmann (nicolas.strangmann@cern.ch) - Goethe University Frankfurt
+/// \author Stefanie Mrozinski (stefanie.mrozinski@cern.ch) - Goethe University Frankfurt
+/// \author Lorenzo Mattei (lorenzo.mattei@cern.ch) - Turin University
+
+#include "Common/CCDB/EventSelectionParams.h"
+#include "Common/Core/MetadataHelper.h"
+#include "Common/DataModel/EventSelection.h"
+
+#include <CCDB/BasicCCDBManager.h>
+#include <CommonConstants/LHCConstants.h>
+#include <DataFormatsParameters/AggregatedRunInfo.h>
+#include <DataFormatsParameters/GRPLHCIFData.h>
+#include <Framework/ASoA.h>
+#include <Framework/AnalysisDataModel.h>
+#include <Framework/AnalysisHelpers.h>
+#include <Framework/AnalysisTask.h>
+#include <Framework/Configurable.h>
+#include <Framework/HistogramRegistry.h>
+#include <Framework/HistogramSpec.h>
+#include <Framework/InitContext.h>
+#include <Framework/OutputObjHeader.h>
+#include <Framework/runDataProcessing.h>
+
+#include <TH1.h>
+#include <TH2.h>
+
+#include <array>
+#include <bitset>
+#include <cstdint>
+#include <cstdlib>
+
+using namespace o2;
+using namespace o2::framework;
+using namespace o2::framework::expressions;
+
+o2::common::core::MetadataHelper metadataInfo;
+
+namespace o2::aod
+{
+namespace myBc_aod
+{
+DECLARE_SOA_COLUMN(Timestamp, timestamp, uint64_t);
+DECLARE_SOA_COLUMN(BCid, bcId, int);
+DECLARE_SOA_COLUMN(TimeZNA, timeZNA, float);
+DECLARE_SOA_COLUMN(TimeZNC, timeZNC, float);
+DECLARE_SOA_COLUMN(AmplitudeZNA, amplitudeZNA, float);
+DECLARE_SOA_COLUMN(AmplitudeZNC, amplitudeZNC, float);
+} // namespace myBc_aod
+DECLARE_SOA_TABLE(MyBCaod, "AOD", "MYBCAOD",
+                  myBc_aod::Timestamp,
+                  myBc_aod::BCid,
+                  myBc_aod::TimeZNA,
+                  myBc_aod::TimeZNC,
+                  myBc_aod::AmplitudeZNA,
+                  myBc_aod::AmplitudeZNC);
+} // namespace o2::aod
+
+using MyBCs = soa::Join<aod::BCs, aod::BcSels, aod::Timestamps, aod::Run3MatchedToBCSparse>;
+
+struct LumiZdcQa {
+  Produces<aod::MyBCaod> BCaod;
+
+  Configurable<bool> cfgRequireZDCTriggerForZDCQA{"cfgRequireZDCTriggerForZDCQA", true, "Require ZDC trigger (1ZNC) for filling QA histograms"};
+  Configurable<bool> cfgRequireTVXTriggerForZDCQA{"cfgRequireTVXTriggerForZDCQA", true, "Require FT0 vertex trigger (MTVX) for filling ZDC QA histograms"};
+  Configurable<bool> cfgRequireZEDTriggerForZDCQA{"cfgRequireZEDTriggerForZDCQA", true, "Require ZED trigger (1ZNC||1ZNA) for filling QA histograms"};
+
+  Configurable<bool> cfgFillBCao2d{"cfgFillBCao2d", false, "Fill BC ao2d with timestamps and ZDC times"};
+  Configurable<uint64_t> cfgTstampStartFillingBCao2d{"cfgTstampStartFillingBCao2d", 0, "Minimum value of timestamp for output bc ao2d to be filled"};
+  Configurable<uint64_t> cfgTstampEndFillingBCao2d{"cfgTstampEndFillingBCao2d", 0, "Maximum value of timestamp for output bc ao2d to be filled"};
+
+  const int nBCsPerOrbit = 3564;
+
+  HistogramRegistry mHistManager{"output", {}, OutputObjHandlingPolicy::AnalysisObject, false, false};
+
+  void init(InitContext&)
+  {
+    AxisSpec zdcTimeAxis{200, -50., 50.};
+    mHistManager.add("ZDCQA/BCHasZDC", "Does the BC have ZDC?;BC has ZDC;Has ZNC according to CTP;#bf{#it{N}_{BC}}", HistType::kTH2D, {{2, -0.5, 1.5}, {2, -0.5, 1.5}});
+    mHistManager.get<TH2>(HIST("ZDCQA/BCHasZDC")).get()->GetYaxis()->SetBinLabel(1, "No CTP trigger");
+    mHistManager.get<TH2>(HIST("ZDCQA/BCHasZDC")).get()->GetYaxis()->SetBinLabel(2, "CTP triggered");
+    mHistManager.get<TH2>(HIST("ZDCQA/BCHasZDC")).get()->GetXaxis()->SetBinLabel(1, "No found ZDC");
+    mHistManager.get<TH2>(HIST("ZDCQA/BCHasZDC")).get()->GetXaxis()->SetBinLabel(2, "Good ZDC");
+    mHistManager.add("ZDCQA/ZNCTimeVsEnergy", "ZDC properties in BCs with found ZDC;Energy;#bf{ZNC arrival time (ns)};#bf{#it{N}_{BC}}", HistType::kTH2D, {{1501, -10, 1.5E4}, zdcTimeAxis});
+    mHistManager.add("ZDCQA/ZDCTimes", "Correlation between ZNA and ZNC timing;#bf{ZNC arrival time (ns)};#bf{ZNA arrival time (ns)}", HistType::kTH2D, {zdcTimeAxis, zdcTimeAxis});
+    mHistManager.add("ZDCQA/ZNATime", "Time of the ZNA signal;#bf{ZNA arrival time (ns)};#bf{#it{N}_{BC}}", HistType::kTH1D, {zdcTimeAxis});
+    mHistManager.add("ZDCQA/ZNCTime", "Time of the ZNC signal;#bf{ZNC arrival time (ns)};#bf{#it{N}_{BC}}", HistType::kTH1D, {zdcTimeAxis});
+  }
+
+  void process(MyBCs const& bcs, aod::Zdcs const&)
+  {
+    const int maxTimeZDC = 50;
+    const float dummyZDCTime = 42.f;
+
+    for (const auto& bc : bcs) {
+      std::bitset<64> ctpInputMask(bc.inputMask());
+
+      if (cfgRequireTVXTriggerForZDCQA && !(ctpInputMask.test(2))) {
+        continue;
+      }
+      if (cfgRequireZDCTriggerForZDCQA && !(ctpInputMask.test(25))) {
+        continue;
+      }
+      if (cfgRequireZEDTriggerForZDCQA && !(ctpInputMask.test(24))) {
+        continue;
+      }
+
+      bool zdcHit = !bc.has_zdc() ? 0 : ((bc.zdc().energyCommonZNC() > -1 && std::abs(bc.zdc().timeZNC()) < 1E5) ? 1 : 0);
+      mHistManager.fill(HIST("ZDCQA/BCHasZDC"), zdcHit, ctpInputMask.test(25) ? 1 : 0);
+
+      if (!bc.has_zdc()) {
+        continue;
+      }
+
+      mHistManager.fill(HIST("ZDCQA/ZNCTimeVsEnergy"),
+                        bc.zdc().energyCommonZNC() > -1 ? bc.zdc().energyCommonZNC() : -1,
+                        std::abs(bc.zdc().timeZNC()) < maxTimeZDC ? bc.zdc().timeZNC() : dummyZDCTime);
+
+      float timeZNA = bc.zdc().timeZNA();
+      float timeZNC = bc.zdc().timeZNC();
+
+      if (std::abs(timeZNA) > maxTimeZDC) {
+        timeZNA = dummyZDCTime;
+        mHistManager.fill(HIST("ZDCQA/ZNCTime"), timeZNC);
+      }
+      if (std::abs(timeZNC) > maxTimeZDC) {
+        timeZNC = dummyZDCTime;
+        if (timeZNA != dummyZDCTime) {
+          mHistManager.fill(HIST("ZDCQA/ZNATime"), timeZNA);
+        }
+      }
+
+      mHistManager.fill(HIST("ZDCQA/ZDCTimes"), timeZNA, timeZNC);
+
+      uint64_t timestamp = bc.timestamp();
+      int64_t globalBC = bc.globalBC();
+      int localBC = globalBC % nBCsPerOrbit;
+      float amplitudeZNA = bc.zdc().amplitudeZNA();
+      float amplitudeZNC = bc.zdc().amplitudeZNC();
+
+      if (cfgFillBCao2d && timestamp >= cfgTstampStartFillingBCao2d && timestamp <= cfgTstampEndFillingBCao2d) {
+        BCaod(timestamp, localBC, timeZNA, timeZNC, amplitudeZNA, amplitudeZNC);
+      }
+    }
+  }
+};
+
+WorkflowSpec defineDataProcessing(ConfigContext const& cfgc)
+{
+  metadataInfo.initMetadata(cfgc);
+  return WorkflowSpec{adaptAnalysisTask<LumiZdcQa>(cfgc)};
+}