We describe several measurements using the decays (Formula presented) and (Formula presented) We find the ratio of partial widths, (Formula presented) to be (Formula presented) where the first error is statistical and the second is systematic. We observe no evidence for direct (Formula presented) violation, obtaining (Formula presented) and (Formula presented) In the limit of no (Formula presented) violation we measure the mixing parameter (Formula presented) by measuring the lifetime difference between (Formula presented) or (Formula presented) and the (Formula presented) neutral state, (Formula presented) We see no evidence for mixing.

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Persistent URL dx.doi.org/10.1103/PhysRevD.65.092001
Journal Physical Review D - Particles, Fields, Gravitation and Cosmology
Csorna, S.E. (S. E.), Danko, I. (I.), McLean, K.W. (K. W.), Xu, Z. (Z.), Godang, R. (R.), Bonvicini, G. (G.), … Mahmood, A.H. (A. H.). (2002). Lifetime differences, direct [Formula Presented] violation, and partial widths in [Formula Presented] meson decays to [Formula Presented] and [Formula Presented]. Physical Review D - Particles, Fields, Gravitation and Cosmology, 65(9). doi:10.1103/PhysRevD.65.092001