4 papers
hep-ex2026
Improved measurement of Born cross sections for and ( = 0, 1, 2) at Belle and Belle II
Belle, Belle II Collaborations, : +424
We study the processes and ( = 0, 1, 2) at center-of-mass energies from 10.73 to 11.02 GeV using a $142.5\,\mathr…
hep-ex2026
Observation of the Exotic State in
BESIII Collaboration, M. Ablikim, M. N. Achasov +750
A partial wave analysis of the process is performed using events collecte…
hep-ex2026
First Observation of \boldmath{ and } in \boldmath{ and } Decays
BESIII Collaboration, M. Ablikim, M. N. Achasov +756
We perform the first amplitude analysis of the singly Cabibbo-suppressed decays , using collision data collected with the BESIII detec…
hep-ex2026
Measurement of the branching fractions of via
BESIII Collaboration, M. Ablikim, M. N. Achasov +762
Using events collected with the BESIII detector operating at BEPCII, the branching fractions of () a…