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http://hdl.handle.net/2445/196205| Title: | Search for D(s)+→π+μ+μ- and D(s)+→π-μ+μ+ decays |
| Author: | LHCb Collaboration Calvo Gómez, Míriam Camboni, Alessandro Comerma Montells, Albert Garrido Beltrán, Lluís Graciani Díaz, Ricardo López Asamar, Elias Oyanguren Campos, Arantza de Pérez-Calero Yzquierdo, Antonio Picatoste Olloqui, Eduardo Potterat, Cédric Rives Molina, Vicente Ruiz, Hugo (Ruiz Pérez) Vázquez Gómez, Ricard Abellan Beteta, Carlos Ruiz Valls, Pablo Vilasis-Cardona, Xavier |
| Keywords: | Física de partícules Experiments Particle physics Experiments |
| Issue Date: | Jul-2013 |
| Publisher: | Elsevier B.V. |
| Abstract: | A search for non-resonant D+ (s) → π +μ+μ− and D+ (s) → π −μ+μ+ decays is performed using proton- proton collision data, corresponding to an integrated luminosity of 1.0 fb−1, at √s = 7 TeV recorded by the LHCb experiment in 2011. No signals are observed and the 90% (95%) confidence level (CL) limits on the branching fractions are found to be B(D+ → π +μ+μ−) < 7.3 (8.3) × 10−8, B(D+ s → π +μ+μ−) < 4.1 (4.8) × 10−7, B(D+ → π −μ+μ+) < 2.2 (2.5) × 10−8, B(D+ s → π −μ+μ+) < 1.2 (1.4) × 10−7. These limits are the most stringent to date |
| Note: | Reproducció del document publicat a: https://doi.org/10.1016/j.physletb.2013.06.010 |
| It is part of: | Physics Letters B, 2013, vol. 724, p. 203-212 |
| URI: | http://hdl.handle.net/2445/196205 |
| Related resource: | https://doi.org/10.1016/j.physletb.2013.06.010 |
| ISSN: | 0370-2693 |
| Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
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