2 papers
hep-ex2026
First observation of the decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +761
Using events collected with the BESIII detector at the BEPCII collider, we report the first observation of the decay $η_{c} \to Î^{0} \barÎ^{0}…
hep-ex2026
Search for through the process
BESIII Collaboration, M. Ablikim, M. N. Achasov +763
Using data samples corresponding to an integrated luminosity of 0.9~fb collected with the BESIII detector operating at the BEPCII storage ring at the center-of-mass energies…