BESIII experiment 3branching fraction measurement 3charmonium decays 3interference effects 3ηc decay 3
From the 3 of 7 linked papers with an AI index.
2 papers
hep-ex2026
Observation of via
BESIII Collaboration, M. Ablikim, M. N. Achasov +766
The study reports the first observation of the decay η_c → p p̄ η using a large ψ(3686) data set collected with the BESIII detector, and determines its branching fraction while acc…
hep-ex2026
Observation of new excited states in the decay
LHCb collaboration, R. Aaij, M. Abdelfatah +1100
An amplitude analysis of the decay is performed using proton-proton collision data, corresponding to an integrated luminosity of $9\tex…