2 papers
hep-ex2025
Observation of the charmonium decay in
BESIII Collaboration, M. Ablikim, M. N. Achasov +662
Using events collected with the BESIII detector at the BEPCII collider, the decay in is observed. We determin…
hep-ex2025
Measurement of the branching fraction of via
BESIII Collaboration, M. Ablikim, M. N. Achasov +640
Based on of collision data taken at center-of-mass energies between 4.237 and 4.699 GeV with the BESIII detector, we study the leptonic de…