Measurement of the Relative Branching Fractions of Bbar to D/D*/D** l- nubar_l Decays in Events with a Fully Reconstructed B Meson

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We determine the relative branching fractions of semileptonic B decays to charmed final states. The measurement is performed on the recoil from a fully reconstructed B meson in a sample of 362 million B{bar B} pairs collected at the {Upsilon}(4S) resonance with the BABAR detector. A simultaneous fit to a set of discriminating variables is performed on a sample of {bar B} {yields} DX{ell}{sup -}{bar {nu}}{sub {ell}} decays to determine the contributions from the different channels.

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8 pages

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Aubert, B. March 20, 2007.

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We determine the relative branching fractions of semileptonic B decays to charmed final states. The measurement is performed on the recoil from a fully reconstructed B meson in a sample of 362 million B{bar B} pairs collected at the {Upsilon}(4S) resonance with the BABAR detector. A simultaneous fit to a set of discriminating variables is performed on a sample of {bar B} {yields} DX{ell}{sup -}{bar {nu}}{sub {ell}} decays to determine the contributions from the different channels.

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8 pages

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  • Journal Name: Physical Review D

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  • Report No.: SLAC-PUB-12393
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 901259
  • Archival Resource Key: ark:/67531/metadc880425

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  • March 20, 2007

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 9, 2016, 6:36 p.m.

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Aubert, B. Measurement of the Relative Branching Fractions of Bbar to D/D*/D** l- nubar_l Decays in Events with a Fully Reconstructed B Meson, article, March 20, 2007; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc880425/: accessed July 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.