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[PWGUD] add event consistency flag #15624

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Merged
rolavick merged 2 commits into from
Apr 2, 2026
+43 −3
Merged

[PWGUD] add event consistency flag #15624

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d616170
add event consistency flag
miedema-11 Apr 2, 2026
913605e
add event consistency flag
miedema-11 Apr 2, 2026
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46 changes: 43 additions & 3 deletions PWGUD/Tasks/flowCumulantsUpc.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -125,9 +125,18 @@ struct FlowCumulantsUpc {
O2_DEFINE_CONFIGURABLE(cfgDcazCut, float, 10.0, "dcaz cut")
O2_DEFINE_CONFIGURABLE(cfgItsClusterSize, unsigned int, 5, "ITS cluster size")
O2_DEFINE_CONFIGURABLE(cfgMaxTPCChi2NCl, int, 4, "tpcchi2")
O2_DEFINE_CONFIGURABLE(cfgConsistentEventFlag, int, 0, "Flag to select consistent events - 0: off, 1: v2{2} gap calculable, 2: v2{4} full calculable, 4: v2{4} gap calculable, 8: v2{4} 3sub calculable")

Configurable<std::vector<std::string>> cfgUserDefineGFWCorr{"cfgUserDefineGFWCorr", std::vector<std::string>{"refN02 {2} refP02 {-2}", "refN12 {2} refP12 {-2}"}, "User defined GFW CorrelatorConfig"};
Configurable<std::vector<std::string>> cfgUserDefineGFWName{"cfgUserDefineGFWName", std::vector<std::string>{"Ch02Gap22", "Ch12Gap22"}, "User defined GFW Name"};
Configurable<std::vector<int>> cfgRunRemoveList{"cfgRunRemoveList", std::vector<int>{-1}, "excluded run numbers"};
Configurable<std::vector<float>> cfgConsistentEventVector{"cfgConsistentEventVector", std::vector<float>{-0.8, -0.5, -0.4, 0.4, 0.5, 0.8}, "eta regions: left(min,max), mid(min,max), right(min,max)"};
struct AcceptedTracks {
int nNeg;
int nMid;
int nPos;
int nFull;
};

ConfigurableAxis axisPtHist{"axisPtHist", {100, 0., 10.}, "pt axis for histograms"};
ConfigurableAxis axisPt{"axisPt", {VARIABLE_WIDTH, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.2, 2.4, 2.6, 2.8, 3, 3.5, 4, 5, 6, 8, 10}, "pt axis for histograms"};
Expand Down Expand Up @@ -217,13 +226,15 @@ struct FlowCumulantsUpc {

// Add some output objects to the histogram registry
// Event QA
registry.add("hEventCount", "Number of Event;; Count", {HistType::kTH1D, {{5, 0, 5}}});
registry.add("hEventCount", "Number of Event;; Count", {HistType::kTH1D, {{6, 0, 6}}});
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(1, "Filtered event");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(2, "after gapside selection");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(3, "after its selection");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(4, "after pt selection");
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(5, "after occupancy");
registry.add("hTrackCount", "Number of tracks;; Count", {HistType::kTH1D, {{5, 0, 5}}});
registry.get<TH1>(HIST("hEventCount"))->GetXaxis()->SetBinLabel(6, "after consistency check");

registry.add("hTrackCount", "Number of tracks;; Count", {HistType::kTH1D, {{7, 0, 7}}});
registry.get<TH1>(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(1, "after event selection");
registry.get<TH1>(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(2, "PVContributor");
registry.get<TH1>(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(3, "dcaz");
Expand Down Expand Up @@ -955,7 +966,7 @@ struct FlowCumulantsUpc {
registry.fill(HIST("hMult"), tracks.size());
registry.fill(HIST("hCent"), cent);
fGFW->Clear();
if (cfgIfVertex && abs(vtxz) > cfgCutVertex) {
if (cfgIfVertex && std::abs(vtxz) > cfgCutVertex) {
return;
}
registry.fill(HIST("hEventCount"), 3.5);
Expand All @@ -971,6 +982,8 @@ struct FlowCumulantsUpc {
if (cfgUseNch) {
independent = static_cast<float>(tracks.size());
}
AcceptedTracks acceptedTracks{0, 0, 0, 0};
std::vector<float> consistentEventVector = cfgConsistentEventVector;

for (const auto& track : tracks) {
registry.fill(HIST("hChi2prTPCcls"), track.tpcChi2NCl());
Expand All @@ -996,6 +1009,16 @@ struct FlowCumulantsUpc {
continue;
}
registry.fill(HIST("hPt"), track.pt());

if (cfgConsistentEventFlag && consistentEventVector.size() == 6) { // o2-linter: disable=magic-number (size match)
acceptedTracks.nFull += 1;
if (eta > consistentEventVector[0] && eta < consistentEventVector[1])
acceptedTracks.nNeg += 1;
if (eta > consistentEventVector[2] && eta < consistentEventVector[3])
acceptedTracks.nMid += 1;
if (eta > consistentEventVector[4] && eta < consistentEventVector[5])
acceptedTracks.nPos += 1;
}
if (withinPtRef) {
registry.fill(HIST("hPhi"), phi);
registry.fill(HIST("hPhiWeighted"), phi, wacc);
Expand All @@ -1017,6 +1040,23 @@ struct FlowCumulantsUpc {
registry.fill(HIST("hEtaNch2D"), eta, tracks.size());
}
registry.fill(HIST("hTrackCorrection2d"), tracks.size(), nTracksCorrected);
if (cfgConsistentEventFlag) {
if (cfgConsistentEventFlag & 1) {
if (!acceptedTracks.nPos || !acceptedTracks.nNeg)
return;
} else if (cfgConsistentEventFlag & 2) {
if (acceptedTracks.nFull < 4) // o2-linter: disable=magic-number (at least four tracks in full acceptance)
return;
} else if (cfgConsistentEventFlag & 4) {
if (acceptedTracks.nPos < 2 || acceptedTracks.nNeg < 2) // o2-linter: disable=magic-number (at least two tracks in each subevent)
return;
}
if (cfgConsistentEventFlag & 8) {
if (acceptedTracks.nPos < 2 || acceptedTracks.nMid < 2 || acceptedTracks.nNeg < 2) // o2-linter: disable=magic-number (at least two tracks in all three subevents)
return;
}
}
registry.fill(HIST("hEventCount"), 5.5);

// Filling Flow Container
for (uint l_ind = 0; l_ind < corrconfigs.size(); l_ind++) {
Expand Down
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