Observation of exclusive B̄ → D(*) K*- decays

R. Mahapatra, H. N. Nelson, R. A. Briere, G. P. Chen, T. Ferguson, G. Tatishvili, H. Vogel, N. E. Adam, J. P. Alexander, C. Bebek, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, P. S. Drell, J. E. Duboscq, K. M. Ecklund, R. Ehrlich, L. Gibbons, B. GittelmanS. W. Gray, D. L. Hartill, B. K. Heltsley, L. Hsu, C. D. Jones, J. Kandaswamy, D. L. Kreinick, A. Magerkurth, H. Mahlke-Krüger, T. O. Meyer, N. B. Mistry, E. Nordberg, M. Palmer, J. R. Patterson, D. Peterson, J. Pivarski, D. Riley, A. J. Sadoff, H. Schwarthoff, M. R. Shepherd, J. G. Thayer, D. Urner, B. Valant-Spaight, G. Viehhauser, A. Warburton, M. Weinberger, S. B. Athar, P. Avery, H. Stoeck, J. Yelton

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The exclusive decays B̄ → D(*)K*-, using 9.66 × 106 BB̄ pairs collected at the γ(4S) with the CLEO detector was reported. Some branching fractions were measured such as β(B- → D0K*-) = (6.1 ± 1.6 ± 1.7) × 10-4. It was found that the B̄ → D*K*- branching ratios were averages of those corresponding to the 00 and 11 helicity states.

Original languageEnglish (US)
Article number101803
Pages (from-to)1018031-1018035
Number of pages5
JournalPhysical review letters
Issue number10
StatePublished - Mar 11 2002


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