Measurement of Semileptonic Branching Fractions of B Mesons to Narrow D** States

DO Collaboration, The and Bertram, Iain A. and Borissov, Guennadi V. and Ratoff, Peter N. and Sopczak, Andre (2005) Measurement of Semileptonic Branching Fractions of B Mesons to Narrow D** States. Physical review letters, 95 (17). p. 171803. ISSN 1079-7114

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Abstract

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(2420)µ+µX and B(2460)µ+µX and their ratio have been measured: (B)×(Bµ+µX)×(D*-+)=[0.087±0.007(stat)±0.014(syst)]%; (B)×(Bµ+µX)×(D*-+)=[0.035±0.007(stat)±0.008(syst)]% and [(Bµ+µX)×(D*-+)]/[(Bµ+µX)×(D*-+)]=0.39±0.09(stat)±0.12(syst), where the charge conjugated states are always implied.

Item Type:
Journal Article
Journal or Publication Title:
Physical review letters
Additional Information:
Author list is partial - see original article for full author list.
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
ID Code:
81985
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Deposited On:
08 Oct 2016 00:06
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 05:56