3 papers
hep-ex2025
Measurements of the branching fractions of and
BESIII Collaboration, M. Ablikim, M. N. Achasov +683
Using a sample of (3686) events collected by the BESIII detector at the BEPCII collider, we measure the branching fractions of the decays $χ_{cJ}\t…
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
Observation of an Altered Line-shape in due to the Triangle Loop Rescattering Effect
BESIII Collaboration, M. Ablikim, M. N. Achasov +697
Using 20.3~ of collision data taken with the BESIII detector at the center-of-mass energy 3.773~GeV, we report the first amplitude analysis of the hadro…