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hep-ex2026
Observation of a New Excited State in
BESIII Collaboration, M. Ablikim, M. N. Achasov +681
Using a data sample of events collected with the BESIII detector, a partial-wave analysis of is performed. A new…
hep-ex2026
First evidence for and search for
BESIII Collaboration, M. Ablikim, M. N. Achasov +706
Using collision data corresponding to an integrated luminosity of 7.33~ recorded by the BESIII detector at center-of-mass energies between 4.128 and 4.226~$…
hep-ex2026
First Measurement of the Absolute Branching Fraction of
BESIII Collaboration, M. Ablikim, M. N. Achasov +691
We apply a tag-and-probe method to precisely measure the absolute branching fraction of the decay with the BESIII experiment at BEPCII. Starting with a large initial s…