2 papers
hep-ex2025
Observation of the decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +689
Using a dataset of events collected by the BESIII detector operating at the BEPCII collider, we report the first observation of the decay $…
hep-ex2024
Measurements of the branching fractions of the -wave charmonium spin-singlet state
BESIII Collaboration, M. Ablikim, M. N. Achasov +649
Based on events, we investigate four hadronic decay modes of the -wave charmonium spin-singlet state ($h=…