2 papers
hep-ex2023
Observation of the decay with
BESIII Collaboration, M. Ablikim, M. N. Achasov +612
Using a data sample of events collected by the BESIII detector in 2009, 2012, 2018 and 2019, the electromagnetic Dalitz process $J/ψ\to e^+ e^- η(14…
hep-ex2023
Measurement of the Branching Fraction for the Decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +592
Based on events collected with the BESIII detector operating at the BEPCII collider, the decay is…