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Measurement of semi...
Measurement of semileptonic branching fractions of B mesons to narrow D-** states
- Article/chapterEnglish2005
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LIBRIS-ID:oai:DiVA.org:kth-37876
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-37876URI
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https://doi.org/10.1103/PhysRevLett.95.171803DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Using the data accumulated in 2002-2004 with the D0 detector in proton-antiproton collisions at the Fermilab Tevatron collider with a center-of-mass energy of 1.96 TeV, the branching fractions of the decays B ->(D) over bar (0)(1)(2420)mu(+)nu(mu)X and B ->(D) over bar (*0)(2)(2460)mu(+)nu(mu)X and their ratio have been measured: B (b) over bar -> B)xB(B -> (D) over bar (0)(1)mu(+)nu(mu)X)xB((D) over bar (0)(1)-> D(*-)pi(+))=[0.087 +/- 0.007(stat)+/- 0.014(syst)]%; B((b) over bar -> B)xB(B ->(D) over bar (*0)(2)mu(+)nu(mu)X)xB((D) over bar (*0)(2)-> D(*-)pi(+))=[0.035 +/- 0.007(stat)+/- 0.008(syst)]% and [B(B ->(D) over bar (*0)(2)mu(+)nu(mu)X)xB((D) over bar (*0)(2)-> D(*-)pi(+))]/[B(B ->(D) over bar (0)(1)mu(+)nu(mu)X)xB((D) over bar (0)(1)-> D(*-)pi(+))]=0.39 +/- 0.09(stat)+/- 0.12(syst), where the charge conjugated states are always implied.
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Åsman, Barbro
(author)
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Clément, Christophe
(author)
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Gollub, Nils
(author)
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Lager, Sara
(author)
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Strandberg, Jonas
(author)
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Zverev, E.G.
(author)
Related titles
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In:Physical Review Letters95:17, s. 171803-0031-90071079-7114
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