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Measurement of the absolute branching fraction for D(0) -> K- pi+
Ammar, Raymond G. Ball, S. Baringer, Philip S. Coppage, Don Copty, N. Davis, Robin E. P. Hancock, N. Kelly, M. Kwak, Nowhan Lam, H.
Ammar, Raymond G.
Ball, S.
Baringer, Philip S.
Coppage, Don
Copty, N.
Davis, Robin E. P.
Hancock, N.
Kelly, M.
Kwak, Nowhan
Lam, H.
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Abstract
Using 1.79 fb-1 of data recorded by the CLEO II detector we have measured the absolute branching fraction for D0 --> K-pi+. The angular correlation between the pi+ emitted in the decay D*+ --> D0pi+, and the jet direction in e+e- --> ccBAR events, is used to determine the total number of inclusive D0 mesons produced from this source. The subsequent reconstruction of the decay chain D*+ --> D0pi+, D0 --> K-pi+ allows a measurement of the absolute D0 --> K-pi+ branching fraction. Correcting for decay radiation in the final state, we find B(D0 --> K-pi+) = [3.95 +/- 0.08(stat)+/-0.17(syst)]%.
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1993-11
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AMERICAN PHYSICAL SOC
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p3070_1.pdf
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AKERIB, DS, BARISH, B, et al. Measurement of the absolute branching fraction for D(0) → K- pi+. PHYSICAL REVIEW LETTERS. November 1993. 71(19) : 3070-3074