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Title

Observation of the rare decay B-0 -> K-S(0) K-+/-pi(-/+)

AuthorsBabar Collaboration; Azzolini, Virginia; López-March, Neus CSIC; Martínez-Vidal, Fernando CSIC ORCID; Milanés, Diego A. CSIC; Oyanguren, Arantza CSIC ORCID; Sánchez, P. D.; Lees, J. P.
Issue Date5-Aug-2010
PublisherAmerican Physical Society
CitationPhysical Review - Section D - Particles and Fields 82 (3): 031101 (2010)
AbstractWe report an analysis of charmless hadronic decays of neutral B mesons to the final state (KSK +/-)-K-0 pi(-/+) (sic), using a data sample of (465 +/- 5) x 10(6) B (B) over bar events collected with the BABAR detector at the Gamma(4S) resonance. We observe an excess of signal events with a significance of 5.2 standard deviations including systematic uncertainties and measure the branching fraction to be B(B-0 -> (KSK +/-)-K-0 pi(-/+) (sic) (3.2 +/- 0.5 +/- 0.3) x 10(-6), where the uncertainties are statistical and systematic, respectively.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.82.031101
URIhttp://hdl.handle.net/10261/27251
DOI10.1103/PhysRevD.82.031101
ISSN1550-7998
Appears in Collections:(IFIC) Artículos




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