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dc.contributor.authorAubert, B.en_US
dc.contributor.authorGarra Tico, J.en_US
dc.contributor.authorGrauges, E.en_US
dc.contributor.authorAzzolini, Virginiaen_US
dc.contributor.authorLópez-March, Neusen_US
dc.contributor.authorMartínez-Vidal, Fernandoen_US
dc.contributor.authorMilanés, Diego A.en_US
dc.contributor.authorOyanguren, Arantzaen_US
dc.contributor.authorBabar Collaboration-
dc.date.accessioned2009-01-26T14:11:20Z-
dc.date.available2009-01-26T14:11:20Z-
dc.date.issued2007-07en_US
dc.identifier.citationPhysical Review D 76(1): 011103 (2007)en_US
dc.identifier.issn1550-7998en_US
dc.identifier.urihttp://hdl.handle.net/10261/9891-
dc.description8 pages, 1 figure.-- PACS nrs.: 13.25.Hw; 11.30.Er; 12.15.Hh.-- ISI Article Identifier: 000248544300003.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ex/0702043.-- et al. (BABAR Collaboration).en_US
dc.description.abstractWe present the first observation of the decay B+ -> rho+ K-(0), using a data sample of 348 fb(-1) collected at the Upsilon(4S) resonance with the BABAR detector. The branching fraction and charge asymmetry are measured to be (8.0(-1.3)(+1.4) ± 0.6)x10(-6) and (-12.2 ± 16.6 ± 2.0)%, respectively, where the first uncertainty is statistical and the second is systematic. The charge asymmetry is defined by A(ch)=(Gamma(-)(B)-Gamma(+)(B))/(Gamma(-)(B)+Gamma(+)(B)) with Gamma(±)(B) the B-± decay rate. The significance of the observed branching fraction, including systematic uncertainties, is 7.9 standard deviations.en_US
dc.description.sponsorshipThis work is supported by DOE and NSF (USA), NSERC (Canada), CEA and CNRS-IN2P3 (France), BMBF and DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MIST (Russia), MEC (Spain), and PPARC (United Kingdom). Individuals have received support from the Marie Curie EIF (European Union) and the A. P. Sloan Foundation.-
dc.format.extent2373 bytes-
dc.format.mimetypetext/plain-
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsopenAccessen_US
dc.subjectCp-violationen_US
dc.subjectB mesonsen_US
dc.subjectC invarianceen_US
dc.subjectMeson hadronic decayen_US
dc.subjectStandard modelen_US
dc.titleObservation of B+ -> rho+ K-(0) and measurement of its branching fraction and charge asymmetryen_US
dc.typeartículoen_US
dc.identifier.doi10.1103/PhysRevD.76.011103-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevD.76.011103en_US
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