2 papers
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…
hep-ex2025
Helicity amplitude and branching fraction measurement of
BESIII Collaboration, M. Ablikim, M. N. Achasov +689
Utilizing million events accumulated by the BESIII experiment, we perform a partial wave analysis of decay…