[PWGLF] Possible change in MC trigger definition#16085
Merged
lhusova merged 2 commits intoAliceO2Group:masterfrom May 4, 2026
Merged
[PWGLF] Possible change in MC trigger definition#16085lhusova merged 2 commits intoAliceO2Group:masterfrom
lhusova merged 2 commits intoAliceO2Group:masterfrom
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O2 linter results: ❌ 2 errors, |
scannito
requested review from
alibuild,
ercolessi,
lhusova,
mpuccio,
omvazque,
romainschotter and
skundu692
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Pull request overview
This PR adjusts how the phi “trigger” is defined in MC by adding an option to build MCGen phi candidates either from true generated phi mesons or from generated K+K− pairs, and it adds toggles affecting pion PID electron rejection and event-level phi presence checks.
Changes:
- Add
trueGenPhioption inPhiMesonCandProducer::processMCGento switch between true-phi based MCGen candidates vs K+K− pair reconstruction. - Add
applyElRejectionoption to enable/disable the electron-rejection block inside pion PID hypotheses rejection. - Add
withTrueGenPhioption to switch the event-level “has phi” decision from a mass-window count to a simple “any candidate exists” check.
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| if (!(mcParticle1.pdgCode() == PDG_t::kKPlus && mcParticle2.pdgCode() == PDG_t::kKMinus) && | ||
| !(mcParticle1.pdgCode() == PDG_t::kKMinus && mcParticle2.pdgCode() == PDG_t::kKPlus)) | ||
| phimesonCandidatesMcGen(mcCollision.globalIndex(), 0, mcParticle.pt(), mcParticle.y(), mcParticle.phi()); |
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| if (!(mcParticle1.pdgCode() == PDG_t::kKPlus && mcParticle2.pdgCode() == PDG_t::kKMinus) && | ||
| !(mcParticle1.pdgCode() == PDG_t::kKMinus && mcParticle2.pdgCode() == PDG_t::kKPlus)) |
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| if (withTrueGenPhi) { | ||
| if (phiCandidates.size() < 1) | ||
| return false; |
lhusova
approved these changes
May 4, 2026
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