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Search for CP Violation in $B^0_s\to\mu^+D_s^-X$ Decays in $p\bar{p}$ Collisions at $\sqrt{s}=$ 1.96 TeV
Stockholm University, Faculty of Science, Department of Physics. (Elementarpartikelfysik)
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
2010 (English)In: Physical Review D. Particles and fields, ISSN 0556-2821, E-ISSN 1089-4918, Vol. 82, 012003- p.Article in journal (Refereed) Published
Abstract [en]

We have performed a search for CP violation in a sample of Bs0→μ+Ds-X decays corresponding to 5  fb-1 of proton-antiproton collisions collected by the D0 detector in Run II at the Fermilab Tevatron Collider. New physics in Bs0 mixing could contribute a significant CP violating weak phase, which would be observed as a difference in the decay-time distribution for Bs0→B̅ s0 oscillated states versus that for B̅ s0→Bs0. A fit to the decay-time distributions of the Bs0/B̅ s0 candidates yields the flavor-specific asymmetry afss=[-1.7±9.1(stat)-1.5+1.4(syst)]×10-3, which excludes CP violation due to new physics within the experimental sensitivity.

Place, publisher, year, edition, pages
2010. Vol. 82, 012003- p.
National Category
Subatomic Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:su:diva-47093DOI: 10.1103/PhysRevD.82.012003OAI: oai:DiVA.org:su-47093DiVA: diva2:373004
Projects
D0
Funder
Swedish Research Council
Note
Publikationen har totalt 500 författare, V. M. Abazov et al.Available from: 2010-11-29 Created: 2010-11-29 Last updated: 2017-12-12Bibliographically approved

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Publisher's full texthttp://dx.doi.org/10.1103/PhysRevD.82.012003

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