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Measurement of the decay amplitudes and branching fractions of B->J/psi K-* and B->J/psi K decays
Ammar, Raymond G. Baringer, Philip S. Bean, Alice Besson, David Zeke Coppage, Don Darling, C. Davis, Robin E. P. Hancock, N. Kotov, S. Kravchenko, I.
Ammar, Raymond G.
Baringer, Philip S.
Bean, Alice
Besson, David Zeke
Coppage, Don
Darling, C.
Davis, Robin E. P.
Hancock, N.
Kotov, S.
Kravchenko, I.
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Abstract
Using data taken with the CLEO II detector at the Cornell Electron Storage Ring, we present the first full angular analysis in the color-suppressed modes B-0 --> J/psi K*(0) and B+ --> J/psi K*(+). This leads to a complete determination of the decay amplitudes of these modes including the longitudinal polarization Gamma(L)/Gamma = 0.52 +/- 0.07 +/- 0.04 and the P wave component \P\(2) = 0.16 +/- 0.08 +/- 0.04. In addition, we update the branching fractions for B --> J/psi K and B --> J/psi K*.
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1997-12
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AMERICAN PHYSICAL SOC
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p4533_1.pdf
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Jessop, CP, Lingel, K, et al. Measurement of the decay amplitudes and branching fractions of B->J/psi K-* and B->J/psi K decays. PHYSICAL REVIEW LETTERS. December 1997. 79(23) : 4533-4537