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[PWGUD] Added TF counter #18572

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Merged
ekryshen merged 1 commit into from
Nov 3, 2026
Merged

[PWGUD] Added TF counter #18572

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7 changes: 6 additions & 1 deletion PWGUD/TableProducer/upcCandProducerBarrel.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@
#include <Framework/runDataProcessing.h>
#include <ReconstructionDataFormats/Vertex.h>

#include <TH1.h>
#include <TH2.h>
#include <TH3.h>

Expand Down Expand Up @@ -336,6 +337,7 @@ struct UpcCandProducerBarrel {
const AxisSpec axisOccupancy{nBinsOccupancy, 0., 250000., "FT0-based occupancy"};
const AxisSpec axisTFs{nBinsTF, 0., 4.e7, "TFs"}; // 100 bins -> 400000 TFs per bin (1 bin ~ 1140 seconds for 32 orbits per TF)

registry.add("hTF", "TF counts", HistType::kTH1D, {axisTFs});
registry.add("hTVX", "TVX counts", HistType::kTH2D, {axisBCs, axisTFs});
registry.add("hTVXRCT", "TVX counts after RCT selection", HistType::kTH2D, {axisBCs, axisTFs});
registry.add("hTVXRCTnoPileupROF", "TVX counts after RCT and ROF pileup selection", HistType::kTH2D, {axisBCs, axisTFs});
Expand Down Expand Up @@ -414,9 +416,12 @@ struct UpcCandProducerBarrel {
std::vector<size_t> localTFIndex;
localTFIndex.reserve(bcs.size());
// Cache the local TF slot for each BC row for collision and MC lookups
auto hTF = registry.get<TH1>(HIST("hTF"));
for (const auto& bc : bcs) {
const auto tfID = static_cast<uint32_t>((static_cast<int64_t>(bc.globalBC()) - bcSOR) / nBCsPerTF);
const int64_t globalBC = bc.globalBC();
const uint32_t tfID = (globalBC - bcSOR) / nBCsPerTF;
if (tfIDs.empty() || tfID != tfIDs.back()) {
hTF->Fill(tfID);
tfIDs.push_back(tfID);
tfPassesRCT.push_back(static_cast<uint8_t>(rctChecker(bc)));
}
Expand Down
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