Phys. Rev. Lett. 56, 1893–1896 (1986)Decay D0→φK̅ 0Received 5 February 1986; published in the issue dated 5 May 1986 We have observed a signal for the decay D0→φK̅ 0. We find that a broad threshold enhancement in the K+K- mass spectrum in the decay D0→K+K-K̅ 0 is the main source of background to the D0→φK̅ 0 signal. Accounting for this background, we obtain the branching fraction B(D0→φK̅ 0)=(1.18±0.40±0.17)%. © 1986 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.56.1893
DOI:
10.1103/PhysRevLett.56.1893
PACS:
13.25.+m, 14.40.Jz
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