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Measurement of the Lifetime of the B(c)(+/-) Meson in the Semileptonic Decay Channel
University of Chicago.ORCID iD: 0000-0002-8913-0981
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Number of Authors: 528
2009 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 102, no 9, 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 B(c)(+/-) meson in the B(c)(+/-)-> J/psi mu(+/-)+X final state. A simultaneous unbinned likelihood fit to the J/psi+mu invariant mass and lifetime distributions yields a signal of 881 +/- 80(stat) candidates and a lifetime measurement of tau(B(c)(+/-))=0.448(-0.036)(+0.038)(stat)+/- 0.032(syst) ps.

Place, publisher, year, edition, pages
2009. Vol. 102, no 9, 092001- p.
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Physical Sciences
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URN: urn:nbn:se:kth:diva-72709DOI: 10.1103/PhysRevLett.102.092001ISI: 000263911900014OAI: oai:DiVA.org:kth-72709DiVA: diva2:488697
Note
QC 20120202 Author Count: 528Available from: 2012-02-02 Created: 2012-02-01 Last updated: 2017-12-08Bibliographically approved

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Strandberg, Jonas

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