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http://hdl.handle.net/2445/133330
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DC Field | Value | Language |
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dc.contributor.author | Badalov, Alexey | - |
dc.contributor.author | Calvo Gómez, Míriam | - |
dc.contributor.author | Camboni, Alessandro | - |
dc.contributor.author | Comerma Montells, Albert | - |
dc.contributor.author | Garrido Beltrán, Lluís | - |
dc.contributor.author | Graciani Díaz, Ricardo | - |
dc.contributor.author | Graugés Pous, Eugeni | - |
dc.contributor.author | Oyanguren Campos, Arantza de | - |
dc.contributor.author | Pérez-Calero Yzquierdo, Antonio | - |
dc.contributor.author | Picatoste Olloqui, Eduardo | - |
dc.contributor.author | Potterat, Cédric | - |
dc.contributor.author | Rives Molina, Vicente José | - |
dc.contributor.author | Ruiz, Hugo (Ruiz Pérez) | - |
dc.contributor.author | Ruiz Valls, Pablo | - |
dc.contributor.author | Vilasis-Cardona, Xavier | - |
dc.contributor.author | LHCb Collaboration | - |
dc.date.accessioned | 2019-05-16T15:19:09Z | - |
dc.date.available | 2019-05-16T15:19:09Z | - |
dc.date.issued | 2013-09-05 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/2445/133330 | - |
dc.description.abstract | A search for the rare decays B 0 s → μ + μ − and B 0 → μ + μ − is performed at the LHCb experiment. The data analyzed correspond to an integrated luminosity of 1 fb − 1 of p p collisions at a center-of-mass energy of 7 TeV and 2 fb − 1 at 8 TeV. An excess of B 0 s → μ + μ − signal candidates with respect to the background expectation is seen with a significance of 4.0 standard deviations. A time-integrated branching fraction of B ( B 0 s → μ + μ − ) = ( 2.9 + 1.1 − 1.0 ) × 10 − 9 is obtained and an upper limit of B ( B 0 → μ + μ − ) < 7.4 × 10 − 10 at 95% confidence level is set. These results are consistent with the standard model expectations. | - |
dc.format.extent | 9 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | American Physical Society | - |
dc.relation.isformatof | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.111.101805 | - |
dc.relation.ispartof | Physical Review Letters, 2013, vol. 111, num. 10 | - |
dc.relation.uri | https://doi.org/10.1103/PhysRevLett.111.101805 | - |
dc.rights | cc by (c) CERN; LHCb Collaboration, 2013 | - |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es/ | - |
dc.source | Articles publicats en revistes (Física Quàntica i Astrofísica) | - |
dc.subject.classification | Física de partícules | - |
dc.subject.classification | Experiments | - |
dc.subject.other | Particle physics | - |
dc.subject.other | Experiments | - |
dc.title | Measurement of the B0s→μ+μ− Branching Fraction and Search for B0→μ+μ− Decays at the LHCb Experiment | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 629025 | - |
dc.date.updated | 2019-05-16T15:19:10Z | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
Files in This Item:
File | Description | Size | Format | |
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629025.pdf | 316.77 kB | Adobe PDF | View/Open |
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