2 papers
hep-ex2026
First Observation of and Determination of the Branching Fraction of
BESIII Collaboration, M. Ablikim, M. N. Achasov +685
Using 20.3~fb of annihilation data collected at a center-of-mass energy of 3.773~GeV with the BESIII detector, we report the first observation of the semileptonic d…
hep-ex2026
Observation of the in and
BESIII Collaboration, M. Ablikim, M. N. Achasov +767
Based on events collected with the BESIII detector, the and processe…