4 papers
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…
hep-ex2024
Observation of and evidence for
BESIII Collaboration, M. Ablikim, M. N. Achasov +640
Using events collected with the BESIII detector, the decay is observed for the first time with a statistical sign…
hep-ex2024
Observation of an axial-vector state in the study of decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +635
Using (2712.4 14.3) events collected with the BESIII detector at BEPCII, a partial wave analysis of the decay is performed with t…
hep-ex2024
Study of the decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +651
We present a study of the semileptonic decay using an annihilation data sample of collected at the center-of-mass…