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First observation of the Cabibbo suppressed decay B+->(D)over-bar(0)K(+)
Ammar, Raymond G. Baringer, Philip S. Bean, Alice Besson, David Zeke Coppage, Don Darling, C. Davis, Robin E. P. Kotov, S. Kravchenko, I. Kwak, Nowhan
Ammar, Raymond G.
Baringer, Philip S.
Bean, Alice
Besson, David Zeke
Coppage, Don
Darling, C.
Davis, Robin E. P.
Kotov, S.
Kravchenko, I.
Kwak, Nowhan
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Abstract
We have observed the decay B+ --> (D) over bar(0)K(+), using 3.3 x 10(6) <B(B)over bar> pairs collected with the CLEO II detector at the Cornell Electron Storage Ring. We find the ratio of branching fractions R = B(B+ --> (D) over bar(0)K(+))/B(B+ --> (D) over bar(0)pi(+)) = 0.055 +/- 0.014 +/- 0.005.
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1998-06
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AMERICAN PHYSICAL SOC
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Athanas, M, Avery, P, et al . First observation of the Cabibbo suppressed decay B+->(D)over-bar(0)K(+). PHYSICAL REVIEW LETTERS. June 1998. 80(25) : 5493-5497