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Search for CP violation in B-s(0) -> mu(+) D-s(-) X decays in p(p)over-bar collisions at root s=1.96 TeV
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2010 (English)In: Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, Vol. 82, no 1, 012003- p.Article in journal (Refereed) Published
Abstract [en]

We have performed a search for CP violation in a sample of B-s(0) -> mu+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 B-s(0) mixing could contribute a significant CP violating weak phase, which would be observed as a difference in the decay-time distribution for B-s(0) -> (B) over bar (0)(s) oscillated states versus that for (B) over bar (0)(s) -> B-s(0). A fit to the decay-time distributions of the B-s(0)/(B) over bar (0)(s) candidates yields the flavor-specific asymmetry as a(fs)(s) = [-1.7 +/- 9.1(stat)(-1.5)(+1.4)(syst) x 10(-3), which excludes CP violation due to new physics within the experimental sensitivity.

Place, publisher, year, edition, pages
2010. Vol. 82, no 1, 012003- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-135761DOI: 10.1103/PhysRevD.82.012003ISI: 000280293500002OAI: oai:DiVA.org:uu-135761DiVA: diva2:375594
Available from: 2010-12-08 Created: 2010-12-08 Last updated: 2010-12-08Bibliographically approved

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