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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
Univ Michigan, Ann Arbor.ORCID iD: 0000-0002-8913-0981
2010 (English)In: Physical Review D, 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(+)D(s)(-)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:kth:diva-72058DOI: 10.1103/PhysRevD.82.012003ISI: 000280293500002OAI: diva2:488835
Swedish Research Council
QC 20120202Available from: 2012-02-02 Created: 2012-01-31 Last updated: 2012-02-02Bibliographically approved

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