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http://hdl.handle.net/2445/196728| Title: | Search for the rare decay D0→μ+μ- |
| Author: | LHCb Collaboration Abellan Beteta, Carlos Calvo Gomez, Miriam Camboni, Alessandro Comerma Montells, Albert Garrido Beltrán, Lluís Graciani Díaz, Ricardo Graugés Pous, Eugeni López Asamar, Elias Oyanguren Campos, Arantza de Pérez-Calero Yzquierdo, Antonio Picatoste Olloqui, Eduardo. Potterat, Cédric Rives Molina, Vicente José Ruiz, Hugo (Ruiz Pérez) Ruiz Valls, Pablo Vázquez Gómez, Ricard Vilasis-Cardona, Xavier |
| Keywords: | Física de partícules Experiments Cromodinàmica quàntica Particle physics Experiments Quantum chromodynamics |
| Issue Date: | Aug-2013 |
| Publisher: | Elsevier B.V. |
| Abstract: | A search for the rare decay D0 → μ+μ− is performed using a data sample, corresponding to an integrated luminosity of 0.9 fb−1, of pp collisions collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The observed number of events is consistent with the background expectations and corresponds to an upper limit of B(D0 → μ+μ−) < 6.2 (7.6) × 10−9 at 90% (95%) confidence level. This result represents an improvement of more than a factor twenty with respect to previous measurements |
| Note: | Reproducció del document publicat a: https://doi.org/10.1016/j.physletb.2013.06.037 |
| It is part of: | Physics Letters B, 2013, vol. 725, p. 15-24 |
| URI: | http://hdl.handle.net/2445/196728 |
| Related resource: | https://doi.org/10.1016/j.physletb.2013.06.037 |
| ISSN: | 0370-2693 |
| Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
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