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Measurement of the B-s(0) lifetime using semileptonic decays
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2006 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 97, no 24, 241801- p.Article in journal (Refereed) Published
Abstract [en]

We report a measurement of the B-s(0) lifetime in the semileptonic decay channel B-s(0)-> D-s(-)mu(+)nu X (and its charge conjugate), using approximately 0.4 fb(-1) of data collected with the D0 detector during 2002-2004. Using 5176 reconstructed D-s(-)mu(+) signal events, we have measured the B-s(0) lifetime to be tau(B-s(0))=1.398 +/- 0.044(stat)(-0.025)(+0.028)(syst) ps. This is the most precise measurement of the B-s(0) lifetime to date.

Place, publisher, year, edition, pages
2006. Vol. 97, no 24, 241801- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-146973DOI: 10.1103/PhysRevLett.97.241801ISI: 000242888700012OAI: oai:DiVA.org:uu-146973DiVA: diva2:399548
Available from: 2011-02-22 Created: 2011-02-22 Last updated: 2012-11-30Bibliographically approved

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High Energy PhysicsDepartment of Nuclear and Particle Physics
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