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[PWGHF] Fix HfEvSel initialization in HF PID task. #14292

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Merged
mfaggin merged 5 commits into from
Dec 19, 2025
+19 −24
Merged

[PWGHF] Fix HfEvSel initialization in HF PID task. #14292

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151669d
Add protection for V0/casc. MC matching in HF PID task.
mfaggin Dec 19, 2025
fec5a9d
Fix template keyword.
mfaggin Dec 19, 2025
ac2e662
Major fix: use robust Join between V0Cores and V0CoresMc.
mfaggin Dec 19, 2025
de92dba
Remove useless names.
mfaggin Dec 19, 2025
396ecfd
Fix HfEvSel initialization in HF PID task.
mfaggin Dec 19, 2025
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43 changes: 19 additions & 24 deletions PWGHF/Tasks/taskPidStudies.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -204,8 +204,8 @@ struct HfTaskPidStudies {
aod::pidTOFFullPi, aod::pidTOFFullKa, aod::pidTOFFullPr>;
using CollSels = soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Cs, aod::CentFT0Ms>;
using CollisionsMc = soa::Join<aod::Collisions, aod::McCollisionLabels, aod::EvSels, aod::CentFT0Cs, aod::CentFT0Ms>;
using V0sMcRec = soa::Join<aod::V0Datas, aod::V0CoreMCLabels>;
using CascsMcRec = soa::Join<aod::CascDatas, aod::CascCoreMCLabels>;
using V0sMcRec = soa::Join<aod::V0Datas, aod::V0MCCores>;
using CascsMcRec = soa::Join<aod::CascDatas, aod::CascMCCores>;

ctpRateFetcher rateFetcher;
HfEventSelection hfEvSel;
Expand All @@ -214,6 +214,7 @@ struct HfTaskPidStudies {

o2::framework::Service<o2::ccdb::BasicCCDBManager> ccdb;
HistogramRegistry registry{"registry", {}};
OutputObj<ZorroSummary> zorroSummary{"zorroSummary"};

void init(InitContext&)
{
Expand All @@ -223,7 +224,9 @@ struct HfTaskPidStudies {
ccdb->setURL(ccdbUrl);
ccdb->setCaching(true);
ccdb->setLocalObjectValidityChecking();
hfEvSel.addHistograms(registry);

// init HF event selection helper
hfEvSel.init(registry, &zorroSummary);

std::shared_ptr<TH1> const hTrackSel = registry.add<TH1>("hTrackSel", "Track selection;;Counts", {HistType::kTH1F, {{TrackCuts::NCuts, 0, TrackCuts::NCuts}}});

Expand Down Expand Up @@ -308,37 +311,29 @@ struct HfTaskPidStudies {
int isMatched(const T1& cand)
{
if constexpr (std::is_same<T1, V0sMcRec::iterator>::value) {
if (!cand.has_v0MCCore()) {
return Particle::NotMatched;
}
auto v0MC = cand.template v0MCCore_as<aod::V0MCCores>();
if (v0MC.pdgCode() == kK0Short && v0MC.pdgCodeNegative() == -kPiPlus && v0MC.pdgCodePositive() == kPiPlus) {
if (cand.pdgCode() == kK0Short && cand.pdgCodeNegative() == -kPiPlus && cand.pdgCodePositive() == kPiPlus) {
return Particle::K0s;
}
if (v0MC.pdgCode() == kLambda0 && v0MC.pdgCodeNegative() == -kPiPlus && v0MC.pdgCodePositive() == kProton) {
if (cand.pdgCode() == kLambda0 && cand.pdgCodeNegative() == -kPiPlus && cand.pdgCodePositive() == kProton) {
return Particle::Lambda;
}
if (v0MC.pdgCode() == -kLambda0 && v0MC.pdgCodeNegative() == -kProton && v0MC.pdgCodePositive() == kPiPlus) {
if (cand.pdgCode() == -kLambda0 && cand.pdgCodeNegative() == -kProton && cand.pdgCodePositive() == kPiPlus) {
return -Particle::Lambda;
}
}
if constexpr (std::is_same<T1, CascsMcRec::iterator>::value) {
if (!cand.has_cascMCCore()) {
return Particle::NotMatched;
}
auto cascMC = cand.template cascMCCore_as<aod::CascMCCores>();
if (cascMC.pdgCode() == kOmegaMinus &&
cascMC.pdgCodeBachelor() == -kKPlus &&
cascMC.pdgCodeV0() == kLambda0 &&
cascMC.pdgCodePositive() == kProton &&
cascMC.pdgCodeNegative() == -kPiPlus) {
if (cand.pdgCode() == kOmegaMinus &&
cand.pdgCodeBachelor() == -kKPlus &&
cand.pdgCodeV0() == kLambda0 &&
cand.pdgCodePositive() == kProton &&
cand.pdgCodeNegative() == -kPiPlus) {
return Particle::Omega;
}
if (cascMC.pdgCode() == -kOmegaMinus &&
cascMC.pdgCodeBachelor() == kKPlus &&
cascMC.pdgCodeV0() == -kLambda0 &&
cascMC.pdgCodePositive() == kPiPlus &&
cascMC.pdgCodeNegative() == -kProton) {
if (cand.pdgCode() == -kOmegaMinus &&
cand.pdgCodeBachelor() == kKPlus &&
cand.pdgCodeV0() == -kLambda0 &&
cand.pdgCodePositive() == kPiPlus &&
cand.pdgCodeNegative() == -kProton) {
return -Particle::Omega;
}
}
Expand Down
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