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[PWGLF] add CBT event selection in derivedcascadeanalysis.cxx #17297

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romainschotter merged 1 commit into from
Aug 3, 2026
+21 −1
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[PWGLF] add CBT event selection in derivedcascadeanalysis.cxx #17297

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22 changes: 21 additions & 1 deletion PWGLF/Tasks/Strangeness/derivedcascadeanalysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
#include "PWGLF/DataModel/LFStrangenessTables.h"

#include "Common/CCDB/EventSelectionParams.h"
#include "Common/CCDB/RCTSelectionFlags.h"
#include "Common/CCDB/TriggerAliases.h"
#include "Common/CCDB/ctpRateFetcher.h"
#include "Common/Core/RecoDecay.h"
Expand Down Expand Up @@ -85,6 +86,15 @@ struct Derivedcascadeanalysis {
Configurable<std::string> irSource{"irSource", "T0VTX", "Estimator of the interaction rate (Recommended: pp --> T0VTX, Pb-Pb --> ZNC hadronic)"};
Configurable<std::string> ccdburl{"ccdburl", "http://alice-ccdb.cern.ch", "url of the ccdb repository"};

o2::aod::rctsel::RCTFlagsChecker rctFlagsChecker{rctConfigurations.cfgRCTLabel.value};

struct : ConfigurableGroup {
std::string prefix = "rctConfigurations"; // JSON group name
Configurable<std::string> cfgRCTLabel{"cfgRCTLabel", "", "Which detector condition requirements? (CBT, CBT_hadronPID, CBT_electronPID, CBT_calo, CBT_muon, CBT_muon_glo)"};
Configurable<bool> cfgCheckZDC{"cfgCheckZDC", false, "Include ZDC flags in the bit selection (for Pb-Pb only)"};
Configurable<bool> cfgTreatLimitedAcceptanceAsBad{"cfgTreatLimitedAcceptanceAsBad", false, "reject all events where the detectors relevant for the specified Runlist are flagged as LimitedAcceptance"};
} rctConfigurations;

struct : ConfigurableGroup {
std::string prefix = "qa";
Configurable<bool> doFillNsigmaTPCHistPionBach{"doFillNsigmaTPCHistPionBach", false, ""};
Expand Down Expand Up @@ -114,6 +124,7 @@ struct Derivedcascadeanalysis {
Configurable<bool> doNoCollInRofStandardCut{"doNoCollInRofStandardCut", true, "Enable an evevnt selection which rejects a collision if there are other events within the same ITS ROF with mult above threshold"};
Configurable<bool> doMultiplicityCorrCut{"doMultiplicityCorrCut", false, "Enable multiplicity vs centrality correlation cut"};
Configurable<bool> doITSallLayersCut{"doITSallLayersCut", false, "Enable event selection which rejects collisions when ITS was rebooting."};
Configurable<bool> doCBTselection{"doCBTselection", true, "Require only events with good PID (CBT_hadronPID)"};
Configurable<int> minOccupancy{"minOccupancy", -1, "Minimal occupancy"};
Configurable<int> maxOccupancy{"maxOccupancy", -1, "Maximal occupancy"};
Configurable<float> minOccupancyFT0{"minOccupancyFT0", -1, "Minimal occupancy"};
Expand Down Expand Up @@ -311,13 +322,15 @@ struct Derivedcascadeanalysis {
SETBIT(selectionCheckMask, 11);
}

rctFlagsChecker.init(rctConfigurations.cfgRCTLabel.value, rctConfigurations.cfgCheckZDC, rctConfigurations.cfgTreatLimitedAcceptanceAsBad);

histos.add("hEventVertexZ", "hEventVertexZ", kTH1F, {vertexZ});
histos.add("hEventMultFt0C", "", kTH1F, {{500, 0, 5000}});
histos.add("hEventCentrality", "hEventCentrality", kTH1F, {{101, 0, 101}});

histos.add("hEventSelection", "hEventSelection", kTH1F, {{22, 0, 22}});
// TODO adjust labels
std::array<TString, 22> eventSelLabelRun3 = {"all", "sel8", "TVX", "PV_{z}", "cent", "kNoSameBunchPileup", "kIsGoodZvtxFT0vsPV", "kIsVertexITSTPC", "kIsVertexTOFmatched", "kIsVertexTRDmatched", "kNoITSROFrameBorder", "kNoTimeFrameBorder", "MultCorrCut", "kNoCollInTimeRangeStrict", "kNoCollInTimeRangeStandard", "min Occup", "mxOccup", "kNoCollInRofStrict", "kNoCollInRofStandard", "kIsGoodITSLayersAll", "occupFt0", "-"};
std::array<TString, 22> eventSelLabelRun3 = {"all", "sel8", "TVX", "PV_{z}", "cent", "kNoSameBunchPileup", "kIsGoodZvtxFT0vsPV", "kIsVertexITSTPC", "kIsVertexTOFmatched", "kIsVertexTRDmatched", "kNoITSROFrameBorder", "kNoTimeFrameBorder", "MultCorrCut", "kNoCollInTimeRangeStrict", "kNoCollInTimeRangeStandard", "min Occup", "mxOccup", "kNoCollInRofStrict", "kNoCollInRofStandard", "kIsGoodITSLayersAll", "occupFt0", "CBT sel"};
std::array<TString, 22> eventSelLabelRun2 = {"all", "sel8", "TVX", "PV_{z}", "cent", "sel7", "kINT7", "kNoIncompleteDAQ", "kNoInconsistentVtx", "kNoPileupFromSPD", "kNoV0PFPileup", "kNoPileupInMultBins", "kNoPileupMV", "kNoPileupTPC", "kNoV0MOnVsOfPileup", "kNoSPDOnVsOfPileup", "kNoSPDClsVsTklBG", "INEL0", "-", "-", "-", "-"};
for (int i = 1; i <= histos.get<TH1>(HIST("hEventSelection"))->GetNbinsX(); i++) {
if (doprocessCascades || doprocessCascadesMCrec || doprocessCascadesMCforEff) {
Expand Down Expand Up @@ -798,6 +811,13 @@ struct Derivedcascadeanalysis {
}

interactionRate = rateFetcher.fetch(ccdb.service, coll.timestamp(), coll.runNumber(), irSource) * 1.e-3;

if (eventSelectionRun3Flags.doCBTselection && !rctConfigurations.cfgRCTLabel.value.empty() && !rctFlagsChecker(coll)) {
return false;
}
if (fillHists) {
histos.fill(HIST("hEventSelection"), 21.5 /* Pass CBT condition */);
}
} else {
centrality = eventSelectionRun2Flags.useSPDTrackletsCent ? coll.centRun2SPDTracklets() : coll.centRun2V0M();

Expand Down
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