3 papers
hep-ex2025
Precision Measurement of - Mass Difference
BESIII Collaboration, M. Ablikim, M. N. Achasov +684
We measure the mass difference between and , , using the decay chain , utilizing annihi…
hep-ex2025
Measurements of branching fractions of , and
BESIII Collaboration, M. Ablikim, M. N. Achasov +687
Utilizing of collision data taken with the BESIII detector at the center-of-mass energy of 3.773 GeV, we report the measurements of absolute branching f…
hep-ex2025
Search for the leptonic decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +651
We search for the leptonic decay using an collision data sample with an integrated luminosity of 20.3~fb collected with the BESIII detector at the…