Phys. Rev. Lett. 58, 1818–1820 (1987)Measurement of the Ds+ lifetimeReceived 12 January 1987; published in the issue dated 4 May 1987 We have observed 99 decays of the charmed strange meson, the Ds+ (formerly called the F+), into the φπ+ (61) and K¯*0K+ (38) final states in the Fermilab photoproduction experiment E-691. We determine the lifetime to be (0.48-0.05+0.06±0.02)×10-12 s. Using our reported measurement of the D0 lifetime, we calculate the ratio τ(Ds+)/τ(D0)=(1.10±0.15±0.04). © 1987 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.58.1818
DOI:
10.1103/PhysRevLett.58.1818
PACS:
13.25.+m, 14.40.Jz
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