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Search for the rare decay B.sup.0./sup..sub.s./sub. /to mu.sup.+./sup.mu.sup.-./sup.
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SYSNO ASEP 0352161 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Search for the rare decay B0s /to mu+mu- Author(s) Abazov, V. M. (RU)
Abbott, B. (US)
Abolins, M. (US)
Kupčo, Alexander (FZU-D) RID, ORCID
Lokajíček, Miloš (FZU-D) RID, ORCIDSource Title Physics Letters. B. - : Elsevier - ISSN 0370-2693
Roč. 693, č. 5 (2010), s. 539-544Number of pages 6 s. Language eng - English Country NL - Netherlands Keywords D0 ; Fermilab, ; ppbar collisions Subject RIV BF - Elementary Particles and High Energy Physics R&D Projects LC527 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LA08047 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10100502 - FZU-D (2005-2011) UT WOS 000283701300005 DOI 10.1016/j.physletb.2010.09.024 Annotation We present the results of a search for the flavor changing neutral current decay B_s^0->mu^+mu^- using 6.1 fb^-1 of ppbar collisions at sqrt(s) = 1.96 TeV collected by the D0 experiment at the Fermilab Tevatron Collider. The observed number of B_s^0 candidates is consistent with background expectations. The resulting upper limit on the branching fraction is BR(B_s^0->mu^+mu^-) < 5.1 x 10^-8 at the 95% C.L. This limit is a factor of 2.4 better than that of the previous D0 analysis and the best limit to date. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2011
Number of the records: 1