[PWGDQ] Add a ppbar pair type in tableReaderwithAssoc - #17241
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The motivation is to analyse Jpsi->ppbar and gamma gamma->ppbar in DQ framework. Since same event pairing in table reader is designed to analyse leptons, asymmetric pairing is suitable for proton pairing. - Modification in VarManager::FillPair is necessary for complex proton PID - The results of pairing have been proved to be good
JifengDeng
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XiaozhiBai,
alibuild,
iarsene,
mcoquet642 and
mguilbau
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July 29, 2026 03:36
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O2 linter results: ❌ 278 errors, |
iarsene
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Aug 10, 2026
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| void processProtonPairSkimmed(MyEventsVtxCovZdcFitSelected const& events, | ||
| soa::Join<aod::ReducedTracksAssoc, aod::BarrelTrackCuts> const& barrelAssocs, | ||
| MyBarrelTracksWithCovWithAmbiguities const& barrelTracks) | ||
| { | ||
| runAsymmetricPairing<false, VarManager::kDecayToPrPr, gkEventFillMapWithCovZdcFit, gkTrackFillMapWithCov>(events, trackAssocsPerCollision, barrelAssocs, barrelTracks); | ||
| } | ||
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Since this is a decay to proton - antiproton, it should go in the SameEventPairing task. It may work also here, but it can be confusing.
JifengDeng
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August 11, 2026 02:03
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Add a pair type to process ppbar pairing in tableReader_withAssoc
The motivation is to analyse Jpsi->ppbar and gamma gamma->ppbar in DQ framework. Since same event pairing in table reader is designed to analyse leptons, asymmetric pairing is suitable for proton pairing.