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http://hdl.handle.net/10261/21882
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dc.contributor.author | Babar Collaboration | - |
dc.contributor.author | Azzolini, Virginia | - |
dc.contributor.author | López-March, Neus | - |
dc.contributor.author | Martínez-Vidal, Fernando | - |
dc.contributor.author | Milanés, Diego A. | - |
dc.contributor.author | Oyanguren, Arantza | - |
dc.contributor.author | Aubert, B. | - |
dc.date.accessioned | 2010-03-03T12:30:17Z | - |
dc.date.available | 2010-03-03T12:30:17Z | - |
dc.date.issued | 2009-05-28 | - |
dc.identifier.citation | Physical Review - Section D - Particles and Fields 79 (9): 091101(2009) | en_US |
dc.identifier.issn | 1550-7998 | - |
dc.identifier.uri | http://hdl.handle.net/10261/21882 | - |
dc.description.abstract | We have performed a search for the rare leptonic decays \Bp \to \ellp \nul ($l=e,\mu$), using data collected at the \FourS resonance by the \babar\ detector at the \pep2 storage ring. In a sample of 468 million \BB pairs we find no evidence for a signal and set an upper limit on the branching fractions $\BR(\bmunu) < 1.0\times10^{-6}$ and $\BR(\benu) < 1.9\times10^{-6}$ at the 90% confidence level, using a Bayesian approach. | en_US |
dc.description.sponsorship | We are grateful for the excellent luminosity and machine conditions provided by our PEP-II colleagues and for the substantial dedicated effort from the computing organizations that support BABAR. The collaborating institutions wish to thank SLAC for its support and kind hospitality. This 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), MES (Russia), MEC (Spain), and STFC (United Kingdom). Individuals have received support from the Marie Curie EIF (European Union) and the A. P. Sloan Foundation. | en_US |
dc.format.extent | 260272 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | American Physical Society | en_US |
dc.rights | openAccess | en_US |
dc.title | Search for the rare leptonic decays B+ -> l(+) nu(l) (l = e, mu) | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1103/PhysRevD.79.091101 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/ 10.1103/PhysRevD.79.091101 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
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search for the rare.pdf | 254,17 kB | Adobe PDF | Visualizar/Abrir |
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