BESIII experiment 1branching fraction measurement 1charmonium decays 1interference effects 1ηc decay 1
From the 1 of 2 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 and search for via transitions
BESIII Collaboration, M. Ablikim, M. N. Achasov +776
Using events collected by the BESIII detector operating at the BEPCII collider, the hadronic decay is observe…