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http://hdl.handle.net/2445/131207| Title: | Measurement of the ratio of B+c branching fractions to J/ψπ+ and J/ψμ+νμ final states |
| Author: | Badalov, Alexey Calvo Gómez, Míriam Garrido Beltrán, Lluís Graciani Díaz, Ricardo Graugés Pous, Eugeni Marin Benito, Carla Picatoste Olloqui, Eduardo Rives Molina, Vicente José Ruiz, Hugo (Ruiz Pérez) Vilasis-Cardona, Xavier LHCb Collaboration |
| Keywords: | Física de partícules Gran Col·lisionador d'Hadrons Col·lisions (Física nuclear) Particle physics Large Hadron Collider (France and Switzerland) Collisions (Nuclear physics) |
| Issue Date: | 27-Aug-2014 |
| Publisher: | American Physical Society |
| Abstract: | The first measurement that relates semileptonic and hadronic decay rates of the B + c meson is performed using proton-proton collision data corresponding to 1.0 fb − 1 of integrated luminosity collected with the LHCb detector. The measured value of the ratio of branching fractions, B ( B + c → J / ψ π + ) / B ( B + c → J / ψ μ + ν μ ) = 0.0469 ± 0.0028 ( stat ) ± 0.0046 ( syst ) , is at the lower end of available theoretical predictions. |
| Note: | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevD.90.032009 |
| It is part of: | Physical Review D, 2014, vol. 90, num. 3, p. 032009 |
| URI: | http://hdl.handle.net/2445/131207 |
| Related resource: | https://doi.org/10.1103/PhysRevD.90.032009 |
| ISSN: | 1550-7998 |
| Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
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