Measurement of the B0_s semileptonic branching ratio to an orbitally excited D_s** state, Br(B0_s -> Ds1(2536) mu nu)

Collaboration, D0 and Bertram, Iain and Borissov, Guennadi and Fox, Harald and Ratoff, Peter and Love, Peter and Rakitin, Alexander and Sopczak, Andre (2009) Measurement of the B0_s semileptonic branching ratio to an orbitally excited D_s** state, Br(B0_s -> Ds1(2536) mu nu). Physical review letters, 102 (5). ISSN 1079-7114

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Abstract

In a data sample of approximately 1.3 fb-1 collected with the D0 detector between 2002 and 2006, the orbitally excited charm state D_s1(2536) has been observed with a measured mass of 2535.7 +/- 0.6 (stat) +/- 0.5 (syst) MeV via the decay mode B0_s -> D_s1(2536) mu nu X. A first measurement is made of the branching ratio product Br(b(bar) -> D_s1(2536) mu nu X).Br(D_s1(2536)->D* K0_S). Assuming that D_s1(2536) production in semileptonic decay is entirely from B0_s, an extraction of the semileptonic branching ratio Br(B0_s -> D_s1(2536) mu nu X) is made.

Item Type: Journal Article
Journal or Publication Title: Physical review letters
Additional Information: © 2009 The American Physical Society 7 pages, 2 figures, LaTeX, version with minor changes as accepted by Phys. Rev. Lett
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 63761
Deposited By: ep_importer_pure
Deposited On: 29 Apr 2013 11:16
Refereed?: Yes
Published?: Published
Last Modified: 19 Feb 2020 01:52
URI: https://eprints.lancs.ac.uk/id/eprint/63761

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