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    Measurement of the (B)over-bar->Dl(nu)over-bar partial width and form factor parameters

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    Issue Date
    1997-09
    Author
    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.
    Kwak, Nowhan
    Publisher
    AMERICAN PHYSICAL SOC
    Type
    Article
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    Abstract
    We have studied the decay (B) over bar --> Dl<(nu)over bar>, where I = e or mu. From a fit to the differential decay rate d Gamma/dw we measure the rate normalization F-D (1)\V-cb\ and form factor slope <(rho)over cap>(2)(D), and, using measured values of tau(B), find Gamma(B --> Dl<(nu)over bar>) = (12.0 +/- 0.9 +/- 2.1) ns(-1). The resulting branching fractions are B((B) over bar(0) --> D(+)l(-)<(nu)over bar>) = (1.87 +/- 0.15 +/- 0.32)% and B(B- --> D(0)l(-)<(nu)over bar>) = (1.94 +/- 0.15 +/- 0.34)%. The form factor parameters are in agreement with those measured in B --> D*l<(nu)over bar> decays, as predicted by heavy quark effective theory.
    URI
    http://hdl.handle.net/1808/1389
    Collections
    • Physics and Astronomy Scholarly Works [1134]
    • Center for Russian, East European, and Eurasian Studies Scholarly Publications [562]
    Citation
    Athanas, M, Avery, P, et al. Measurement of the (B)over-bar->Dl(nu)over-bar partial width and form factor parameters. PHYSICAL REVIEW LETTERS. September 1997. 79(12) : 2208-2212

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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