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Observation of D(0) → K+pi-
Ammar, Raymond G. Ball, S. Baringer, Philip S. Bean, Alice Besson, David Zeke Coppage, Don Copty, N. Davis, Robin E. P. Hancock, N. Kelly, M.
Ammar, Raymond G.
Ball, S.
Baringer, Philip S.
Bean, Alice
Besson, David Zeke
Coppage, Don
Copty, N.
Davis, Robin E. P.
Hancock, N.
Kelly, M.
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Abstract
Using the CLEO II data sample, with an integrated luminosity of 1.8 fb-1 at and near the UPSILON(4S) resonance, we have observed a signal for D0 --> K+pi-, which could be due to either D0D0BAR mixing or doubly Cabibbo suppressed decay, or a combination of the two. We find B(D0 --> K+pi-)/B(D0 --> K- pi+)= 0.0077 +/- 0.0025 (stat) +/- 0.0025 (syst).
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1994-03
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AMERICAN PHYSICAL SOC
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p1406_1.pdf
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CINABRO, D, HENDERSON, S, et al. Observation of D(0) → K+pi-. PHYSICAL REVIEW LETTERS. March 1994. 72(10) : 1406-1410