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[PWGHF] Support generator-only derived data without MC centrality #18557

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Merged
vkucera merged 3 commits into from
Nov 5, 2026
Merged

[PWGHF] Support generator-only derived data without MC centrality #18557

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3816ff6
[PWGHF] support generator-only derived data without MC centrality
monamelop Nov 2, 2026
4df08d9
Update PWGHF/Utils/utilsDerivedData.h
monamelop Nov 2, 2026
e6f970d
[PWGHF] Fix formatting in MC collision filling
monamelop Nov 2, 2026
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3 changes: 2 additions & 1 deletion PWGHF/TableProducer/derivedDataCreatorD0ToKPi.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,7 @@ struct HfDerivedDataCreatorD0ToKPi {
using SelectedCandidatesMcKfMl = soa::Filtered<soa::Join<aod::HfCand2ProngWPid, aod::HfCand2ProngKF, aod::HfCand2ProngMcRec, aod::HfSelD0, aod::HfMlD0>>;
using MatchedGenCandidatesMc = soa::Filtered<soa::Join<aod::McParticles, aod::HfCand2ProngMcGen>>;
using TypeMcCollisions = soa::Join<aod::McCollisions, aod::McCentFT0Ms>;
using TypeMcGenCollisions = aod::McCollisions;

Filter filterSelectCandidates = aod::hf_sel_candidate_d0::isSelD0 >= 1 || aod::hf_sel_candidate_d0::isSelD0bar >= 1;
Filter filterMcGenMatching = (nabs(aod::hf_cand_mc_flag::flagMcMatchGen) == static_cast<int8_t>(o2::hf_decay::hf_cand_2prong::DecayChannelMain::D0ToPiK)) || (acceptCorrelatedBkgs && aod::hf_cand_mc_flag::flagMcMatchGen != 0);
Expand Down Expand Up @@ -533,7 +534,7 @@ struct HfDerivedDataCreatorD0ToKPi {
}
PROCESS_SWITCH(HfDerivedDataCreatorD0ToKPi, processMcWithKFParticleMlAll, "Process MC with KFParticle and ML", false);

void processMcGenOnly(TypeMcCollisions const& mcCollisions,
void processMcGenOnly(TypeMcGenCollisions const& mcCollisions,
MatchedGenCandidatesMc const& mcParticles)
{
rowsCommon.processMcParticles(mcCollisions, mcParticlesPerMcCollision, mcParticles, Mass);
Expand Down
3 changes: 2 additions & 1 deletion PWGHF/TableProducer/derivedDataCreatorDsToKKPi.cxx
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Expand Up @@ -100,6 +100,7 @@ struct HfDerivedDataCreatorDsToKKPi {
using SelectedCandidatesMcMl = soa::Filtered<soa::Join<aod::HfCand3ProngWPidPiKa, aod::HfCand3ProngMcRec, aod::HfSelDsToKKPi, aod::HfMlDsToKKPi>>;
using MatchedGenCandidatesMc = soa::Filtered<soa::Join<aod::McParticles, aod::HfCand3ProngMcGen>>;
using TypeMcCollisions = soa::Join<aod::McCollisions, aod::McCentFT0Ms>;
using TypeMcGenCollisions = aod::McCollisions;

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);
Expand Down Expand Up @@ -411,7 +412,7 @@ struct HfDerivedDataCreatorDsToKKPi {
}
PROCESS_SWITCH(HfDerivedDataCreatorDsToKKPi, processMcMlAll, "Process MC with ML", false);

void processMcGenOnly(TypeMcCollisions const& mcCollisions,
void processMcGenOnly(TypeMcGenCollisions const& mcCollisions,
MatchedGenCandidatesMc const& mcParticles)
{
rowsCommon.processMcParticles(mcCollisions, mcParticlesPerMcCollision, mcParticles, Mass);
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7 changes: 6 additions & 1 deletion PWGHF/Utils/utilsDerivedData.h
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Expand Up @@ -168,11 +168,16 @@ struct HfProducesDerivedData : o2::framework::ProducesGroup {
void fillTablesMcCollision(TMcCollision const& mcCollision)
{
if (conf->fillMcCollBase.value) {
float centFT0M{-1.f}; // Input without centrality: e.g. generator-only
if constexpr (requires { mcCollision.centFT0M(); }) {
// MC general: input includes centrality
centFT0M = mcCollision.centFT0M();
}
rowMcCollBase(
mcCollision.posX(),
mcCollision.posY(),
mcCollision.posZ(),
mcCollision.centFT0M());
centFT0M);
}
if (conf->fillMcCollId.value) {
rowMcCollId(
Expand Down
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