2 papers
hep-ex2025
Observation of the decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +689
Using a dataset of events collected by the BESIII detector operating at the BEPCII collider, we report the first observation of the decay $…
hep-ex2023
First Experimental Study of the Purely Leptonic Decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +615
Using of collision data taken with the BESIII detector at the BEPCII collider, we report the first experimental study of the purely leptonic decay…