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Combined D0 measurements constraining the CP-violating phase and width difference in the B-s(0) system
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2007 (English)In: Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, Vol. 76, no 5, 057101- p.Article in journal (Refereed) Published
Abstract [en]

We combine the D0 measurement of the width difference between the light and heavy B-s(0) mass eigenstates and of the CP-violating mixing phase determined from the time-dependent angular distributions in the B-s(0)-> J/psi phi decays along with the charge asymmetry in semileptonic decays also measured with the D0 detector. With the additional constraint from the world average of the flavor-specific B-s(0) lifetime, we obtain Delta Gamma(s)equivalent to(Gamma(L)-Gamma(H))=0.13 +/- 0.09 ps(-1) and vertical bar phi(s)vertical bar=0.70(-0.47)(+0.39) or Delta Gamma(s)=-0.13 +/- 0.09 ps(-1) and vertical bar phi(s)vertical bar=2.44(-0.39)(+0.47). The data sample corresponds to an integrated luminosity of 1.1 fb(-1) accumulated with the D0 detector at the Fermilab Tevatron Collider.

Place, publisher, year, edition, pages
2007. Vol. 76, no 5, 057101- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-142931DOI: 10.1103/PhysRevD.76.057101ISI: 000249786800063OAI: oai:DiVA.org:uu-142931DiVA: diva2:388576
Available from: 2011-01-18 Created: 2011-01-18 Last updated: 2011-01-18Bibliographically approved

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