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[PWGHF] derivedDataCreatorDsToKKPi: Fix PiKK selection #18108

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Merged
vkucera merged 1 commit into from
Sep 29, 2026
+14 −5
Merged

[PWGHF] derivedDataCreatorDsToKKPi: Fix PiKK selection #18108

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19 changes: 14 additions & 5 deletions PWGHF/TableProducer/derivedDataCreatorDsToKKPi.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -89,7 +89,7 @@ struct HfDerivedDataCreatorDsToKKPi {

SliceCache cache;
static constexpr double Mass{o2::constants::physics::MassDS};
static constexpr int NHypothesesCand{1}; // Number of possible selection hypotheses per candidate.
static constexpr int NHypothesesCand{2}; // Number of possible selection hypotheses per candidate.

using CollisionsWCentMult = soa::Join<aod::Collisions, aod::CentFV0As, aod::CentFT0Ms, aod::CentFT0As, aod::CentFT0Cs, aod::PVMultZeqs>;
using CollisionsWMcCentMult = soa::Join<aod::Collisions, aod::McCollisionLabels, aod::CentFV0As, aod::CentFT0Ms, aod::CentFT0As, aod::CentFT0Cs, aod::PVMultZeqs>;
Expand All @@ -101,7 +101,7 @@ struct HfDerivedDataCreatorDsToKKPi {
using MatchedGenCandidatesMc = soa::Filtered<soa::Join<aod::McParticles, aod::HfCand3ProngMcGen>>;
using TypeMcCollisions = soa::Join<aod::McCollisions, aod::McCentFT0Ms>;

Filter filterSelectCandidates = (aod::hf_sel_candidate_ds::isSelDsToKKPi & static_cast<int>(BIT(aod::SelectionStep::RecoMl - 1))) != 0; // select candidates which passed all cuts at least up to RecoMl - 1
Filter filterSelectCandidates = (aod::hf_sel_candidate_ds::isSelDsToKKPi & static_cast<int>(BIT(aod::SelectionStep::RecoMl - 1))) != 0 || (aod::hf_sel_candidate_ds::isSelDsToPiKK & static_cast<int>(BIT(aod::SelectionStep::RecoMl - 1))) != 0; // select candidates which passed all cuts at least up to RecoMl - 1
Filter filterMcGenMatching = (nabs(aod::hf_cand_mc_flag::flagMcMatchGen) == static_cast<int8_t>(hf_decay::hf_cand_3prong::DecayChannelMain::DsToPiKK)) || (acceptCorrelatedBkgs && aod::hf_cand_mc_flag::flagMcMatchGen != 0);

Preslice<SelectedCandidates> candidatesPerCollision = aod::hf_cand::collisionId;
Expand Down Expand Up @@ -266,7 +266,7 @@ struct HfDerivedDataCreatorDsToKKPi {
int8_t flagMcRec = 0, origin = 0, swapping = 0, flagDecayChanRec = 0;
for (const auto& candidate : candidatesThisColl) {
if constexpr (IsMl) {
if (!TESTBIT(candidate.isSelDsToKKPi(), aod::SelectionStep::RecoMl)) {
if (!TESTBIT(candidate.isSelDsToKKPi(), aod::SelectionStep::RecoMl) && !TESTBIT(candidate.isSelDsToPiKK(), aod::SelectionStep::RecoMl)) {
continue;
}
}
Expand Down Expand Up @@ -295,11 +295,20 @@ struct HfDerivedDataCreatorDsToKKPi {
double const ct = HfHelper::ctDs(candidate);
double const y = HfHelper::yDs(candidate);
float const massDsToKKPi = HfHelper::invMassDsToKKPi(candidate);
std::vector<float> mlScoresDsToKKPi;
float const massDsToPiKK = HfHelper::invMassDsToPiKK(candidate);
std::vector<float> mlScoresDsToKKPi, mlScoresDsToPiKK;
auto selectionStep = aod::SelectionStep::RecoMl - 1;
if constexpr (IsMl) {
selectionStep = aod::SelectionStep::RecoMl;
std::copy(candidate.mlProbDsToKKPi().begin(), candidate.mlProbDsToKKPi().end(), std::back_inserter(mlScoresDsToKKPi));
std::copy(candidate.mlProbDsToPiKK().begin(), candidate.mlProbDsToPiKK().end(), std::back_inserter(mlScoresDsToPiKK));
}
if (TESTBIT(candidate.isSelDsToKKPi(), selectionStep)) {
fillTablesCandidate(candidate, 0, massDsToKKPi, ct, y, flagMcRec, origin, swapping, flagDecayChanRec, mlScoresDsToKKPi);
}
if (TESTBIT(candidate.isSelDsToPiKK(), selectionStep)) {
fillTablesCandidate(candidate, 1, massDsToPiKK, ct, y, flagMcRec, origin, swapping, flagDecayChanRec, mlScoresDsToPiKK);
}
fillTablesCandidate(candidate, 0, massDsToKKPi, ct, y, flagMcRec, origin, swapping, flagDecayChanRec, mlScoresDsToKKPi);
}
}
}
Expand Down
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