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[PWGDQ] Add track propagation for pairs in dqefficiency task #7614

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Sep 8, 2024
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[PWGDQ] Add track propagation for pairs in dqefficiency task #7614

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20 changes: 17 additions & 3 deletions PWGDQ/Tasks/dqEfficiency_withAssoc.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -874,6 +874,8 @@ struct AnalysisPrefilterSelection {
Configurable<std::string> fConfigPrefilterTrackCut{"cfgPrefilterTrackCut", "", "Prefilter track cut"};
Configurable<std::string> fConfigPrefilterPairCut{"cfgPrefilterPairCut", "", "Prefilter pair cut"};
Configurable<std::string> fConfigTrackCuts{"cfgTrackCuts", "", "Track cuts for which to run the prefilter"};
// Track related options
Configurable<bool> fPropTrack{"cfgPropTrack", true, "Propgate tracks to associated collision to recalculate DCA and momentum vector"};

std::map<uint32_t, uint32_t> fPrefilterMap;
AnalysisCompositeCut* fPairCut;
Expand Down Expand Up @@ -938,8 +940,8 @@ struct AnalysisPrefilterSelection {
VarManager::SetupTwoProngFwdDCAFitter(5.0f, true, 200.0f, 1.0e-3f, 0.9f, true);
}

template <uint32_t TTrackFillMap, typename TTracks>
void runPrefilter(soa::Join<aod::ReducedTracksAssoc, aod::BarrelTrackCuts> const& assocs, TTracks const& /*tracks*/)
template <uint32_t TTrackFillMap, typename TEvent, typename TTracks>
void runPrefilter(TEvent const& event, soa::Join<aod::ReducedTracksAssoc, aod::BarrelTrackCuts> const& assocs, TTracks const& /*tracks*/)
{

for (auto& [assoc1, assoc2] : o2::soa::combinations(assocs, assocs)) {
Expand All @@ -964,6 +966,9 @@ struct AnalysisPrefilterSelection {

// compute pair quantities
VarManager::FillPair<VarManager::kDecayToEE, TTrackFillMap>(track1, track2);
if (fPropTrack) {
VarManager::FillPairCollision<VarManager::kDecayToEE, TTrackFillMap>(event, track1, track2);
}
// if the pair fullfils the criteria, add an entry into the prefilter map for the two tracks
if (fPairCut->IsSelected(VarManager::fgValues)) {
if (fPrefilterMap.find(track1.globalIndex()) == fPrefilterMap.end() && track1Candidate > 0) {
Expand All @@ -984,7 +989,7 @@ struct AnalysisPrefilterSelection {
for (auto& event : events) {
auto groupedAssocs = assocs.sliceBy(trackAssocsPerCollision, event.globalIndex());
if (groupedAssocs.size() > 1) {
runPrefilter<gkTrackFillMap>(groupedAssocs, tracks);
runPrefilter<gkTrackFillMap>(event, groupedAssocs, tracks);
}
}
uint32_t mymap = -1;
Expand Down Expand Up @@ -1056,6 +1061,9 @@ struct AnalysisSameEventPairing {
Configurable<std::string> fConfigMCGenSignals{"cfgBarrelMCGenSignals", "", "Comma separated list of MC signals (generated)"};
Configurable<bool> fConfigSkimSignalOnly{"fConfigSkimSignalOnly", false, "Configurable to select only matched candidates"};

// Track related options
Configurable<bool> fPropTrack{"cfgPropTrack", true, "Propgate tracks to associated collision to recalculate DCA and momentum vector"};

Service<o2::ccdb::BasicCCDBManager> fCCDB;

// Filter filterEventSelected = aod::dqanalysisflags::isEventSelected & uint32_t(1);
Expand Down Expand Up @@ -1442,6 +1450,9 @@ struct AnalysisSameEventPairing {
}

VarManager::FillPair<TPairType, TTrackFillMap>(t1, t2);
if (fPropTrack) {
VarManager::FillPairCollision<TPairType, TTrackFillMap>(event, t1, t2);
}
if constexpr (TTwoProngFitter) {
VarManager::FillPairVertexing<TPairType, TEventFillMap, TTrackFillMap>(event, t1, t2, fConfigPropToPCA);
}
Expand Down Expand Up @@ -1490,6 +1501,9 @@ struct AnalysisSameEventPairing {
}

VarManager::FillPair<TPairType, TTrackFillMap>(t1, t2);
if (fPropTrack) {
VarManager::FillPairCollision<TPairType, TTrackFillMap>(event, t1, t2);
}
if constexpr (TTwoProngFitter) {
VarManager::FillPairVertexing<TPairType, TEventFillMap, TTrackFillMap>(event, t1, t2, fConfigPropToPCA);
}
Expand Down
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