We have observed a signal for the decay D0'K»0. We find that a broad threshold enhancement in the K+K- mass spectrum in the decay D0'K+K-K»0 is the main source of background to the D0'K»0 signal. Accounting for this background, we obtain the branching fraction B(D0'K»0)=(1.18±0. 40±0.17)%.
ASJC Scopus subject areas
- Physics and Astronomy(all)