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Investigation of semileptonic B meson decays to p-wave charm mesons
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
We have studied semileptonic B meson decays with a p-wave charm meson in the final state using 3.29 x 10(6) B (B) over bar events collected with the CLEO II detector at the Cornell Electron-Positron Storage Ring. We find a value for the exclusive semileptonic product branching fraction B(B- --> D(1)(0)l(-) <(nu)over bar>(l))B(D-1(0)-->D(*+)pi(-) )= (0.373 +/- 0.085 +/- 0.052 +/- 0.024)% and an upper limit for B(B- --> D(2)(*0)l(-)<(nu)over bar>)(l))B(D2O --> D*+ pi(-)) < 0.16% (90% C.L.). Furthermore, we present the first measurement of the q(2) spectrum for B- --> D(1)(0)l(-)<(nu)over bar>(l).
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1998-05
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AMERICAN PHYSICAL SOC
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Anastassov, A, Duboscq, JE, et al. Investigation of semileptonic B meson decays to p-wave charm mesons. AMERICAN PHYSICAL SOC. May 1998. 80(190 : 4127-4131