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
Measurement of Branching Fractions for and
BESIII Collaboration, M. Ablikim, M. N. Achasov +611
Based on 4.5 fb of collision data accumulated at center-of-mass energies between and with the BESIII detector, we me…
hep-ex2023
Determination of the -even fraction of
BESIII Collaboration, M. Ablikim, M. N. Achasov +608
Quantum-correlated pairs collected by the BESIII experiment at the resonance, corresponding to an integrated luminosity of 2.93 fb, are used to study th…