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Measurement of the Lifetime of the $B^\pm_c$ Meson in the Semileptonic Decay Channel
Stockholm University, Faculty of Science, Department of Physics. (Elementarpartikelfysik)
Stockholm University, Faculty of Science, Department of Physics. (Elementarpartikelfysik)
Stockholm University, Faculty of Science, Department of Physics.
2009 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 102, 092001- p.Article in journal (Refereed) Published
Abstract [en]

Using approximately 1.3  fb-1 of data collected by the D0 detector between 2002 and 2006, we measure the lifetime of the Bc± meson in the Bc±→J/ψμ±+X final state. A simultaneous unbinned likelihood fit to the J/ψ+μ invariant mass and lifetime distributions yields a signal of 881±80(stat) candidates and a lifetime measurement of τ(Bc±)=0.448-0.036+0.038(stat)±0.032(syst)  ps.

Place, publisher, year, edition, pages
2009. Vol. 102, 092001- p.
National Category
Subatomic Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:su:diva-33006DOI: 10.1103/PhysRevLett.102.092001ISI: 000263911900014OAI: oai:DiVA.org:su-33006DiVA: diva2:282174
Projects
D0
Note
Publikationen har totalt 528 författare, V. Abazov et al.Available from: 2009-12-18 Created: 2009-12-18 Last updated: 2011-08-24Bibliographically approved

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Publisher's full texthttp://dx.doi.org/10.1103/PhysRevLett.102.092001

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