Skip to content

[PWGHF] Fix tagging of gen D0 mesons in candidateCreatorDstar #10837

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
fgrosa merged 2 commits into from
Apr 14, 2025
Merged

[PWGHF] Fix tagging of gen D0 mesons in candidateCreatorDstar #10837

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
7205e17
Fix tagging of gen D0 mesons in candidateCreatorDstar
fgrosa Apr 14, 2025
b43bb42
Fix typo
fgrosa Apr 14, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
31 changes: 21 additions & 10 deletions PWGHF/TableProducer/candidateCreatorDstar.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -725,19 +725,30 @@ struct HfCandidateCreatorDstarExpressions {
}

// D*± → D0(bar) π±
if (RecoDecay::isMatchedMCGen(mcParticles, particle, Pdg::kDStar, std::array{+kPiPlus, +kPiPlus, -kKPlus}, true, &signDstar, 2)) {
flagDstar = signDstar * (BIT(aod::hf_cand_dstar::DecayType::DstarToD0Pi));
} else if (RecoDecay::isMatchedMCGen(mcParticles, particle, Pdg::kDStar, std::array{+kPiPlus, +kPiPlus, -kKPlus, +kPi0}, false, &signDstar, 2) || RecoDecay::isMatchedMCGen(mcParticles, particle, Pdg::kDStar, std::array{-kPiPlus, -kPiPlus, +kKPlus, +kPi0}, false, &signDstar, 2)) {
flagDstar = signDstar * (BIT(aod::hf_cand_dstar::DecayType::DstarToD0PiPi0));
}
std::vector<int> listIndexDaughters{};
bool isDstarToDzeroPi = RecoDecay::isMatchedMCGen(mcParticles, particle, Pdg::kDStar, std::array{+Pdg::kD0, +kPiPlus}, true, &signDstar, 1, &listIndexDaughters);

// D0(bar) → π± K∓
if (RecoDecay::isMatchedMCGen(mcParticles, particle, Pdg::kD0, std::array{+kPiPlus, -kKPlus}, true, &signD0)) {
flagD0 = signD0 * (BIT(aod::hf_cand_dstar::DecayType::D0ToPiK));
} else if (RecoDecay::isMatchedMCGen(mcParticles, particle, Pdg::kD0, std::array{+kPiPlus, -kKPlus, +kPi0}, false, &signD0) || RecoDecay::isMatchedMCGen(mcParticles, particle, Pdg::kD0, std::array{-kPiPlus, +kKPlus, +kPi0}, false, &signD0)) {
flagD0 = signD0 * (BIT(aod::hf_cand_dstar::DecayType::D0ToPiKPi0));
if (isDstarToDzeroPi) {
aod::McParticles::iterator particleD0;
for (const auto& dauIdx : listIndexDaughters) {
if (dauIdx >= 0) {
particleD0 = mcParticles.rawIteratorAt(dauIdx);
if (std::abs(particleD0.pdgCode()) == Pdg::kD0) {
break;
}
}
}
if (RecoDecay::isMatchedMCGen(mcParticles, particleD0, Pdg::kD0, std::array{+kPiPlus, -kKPlus}, true, &signD0)) {
flagDstar = signDstar * (BIT(aod::hf_cand_dstar::DecayType::DstarToD0Pi));
flagD0 = signD0 * (BIT(aod::hf_cand_dstar::DecayType::D0ToPiK));
} else if (RecoDecay::isMatchedMCGen(mcParticles, particleD0, Pdg::kD0, std::array{+kPiPlus, -kKPlus, +kPi0}, false, &signD0) || RecoDecay::isMatchedMCGen(mcParticles, particleD0, -Pdg::kD0, std::array{-kPiPlus, +kKPlus, +kPi0}, false, &signD0)) {
flagDstar = signDstar * (BIT(aod::hf_cand_dstar::DecayType::DstarToD0PiPi0));
flagD0 = signD0 * (BIT(aod::hf_cand_dstar::DecayType::D0ToPiKPi0));
}
}

// check wether the particle is non-promt (from a B0 hadron)
// check wether the particle is non-prompt (from a B0 hadron)
if (flagDstar != 0) {
originDstar = RecoDecay::getCharmHadronOrigin(mcParticles, particle, false, &idxBhadMothers);
}
Expand Down
Loading