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Observation of exclusive (B)over-bar -> (DK*-)-K-(*) decays
Ammar, Raymond G. Besson, David Zeke Zhao, X.
Ammar, Raymond G.
Besson, David Zeke
Zhao, X.
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Abstract
We report the first observation of the exclusive decays (B) over bar --> D-(*K-)*(-), using 9.66 x 10(6) B (B) over bar pairs collected at the Y(4S) with the CLEO detector. We measure the following branching fractions: B(B" --> (DK)-K-0*(-)) = (6.1 +/- 1.6 +/- 1.7) x 10(-4), B ((B) over bar (0) D+K*(-)) = (3.7 +/- 1.5 +/- 1.0) x 10(-4), B((B) over bar (0) --> D*K+*(-)) = (3.8 +/- 1.3 +/- 0.8) x 10(-4), and B((B) over bar (-) --> D*K-0*(-)) = (7.7 +/- 2.2 +/- 2.6) x 10(-4). The (B) over bar --> D*K*(-) branching ratios are the averages of those corresponding to the 00 and 11 helicity states. The errors shown are statistical and systematic, respectively.
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2002-03
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AMERICAN PHYSICAL SOC
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e101803.pdf
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Mahapatra, R, Nelson, HN, et al. Observation of exclusive (B)over-bar -> (DK*-)-K-(*) decays. PHYSICAL REVIEW LETTERS. March 2002. 88(10)