3 papers
hep-ex2024
Search for the leptonic decays and
BESIII Collaboration, M. Ablikim, M. N. Achasov +572
We present the first search for the leptonic decays and by analyzing a data sample of electron-positron collisions recorded with the BESIII de…
hep-ex2023
Observation of , Precision Test of Lepton Flavor Universality with , and First Measurements of Decay Dynamics
BESIII Collaboration, M. Ablikim, M. N. Achasov +596
By analyzing 7.33 fb of annihilation data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we report the observation of th…
hep-ex2023
Study of the process at center-of-mass energies between 4.0 and 4.6 GeV
BESIII collaboration, M. Ablikim, M. N. Achasov +566
Using of collision data collected at twenty-four center-of-mass energies from to GeV with the BESIII detector, the helicity amplitudes of…