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| Título: | Measurement of the Charm-Mixing Parameter yCP |
Autor: | García Martín, L.M.; Henry, L.; Jashal, B.; Martínez-Vidal, Fernando CSIC ORCID; Oyanguren, Arantza CSIC ORCID; Remón Alepuz, Clara; Ruiz Vidal, Joan; Sánchez Mayordomo, Carlos CSIC; LHCb Collaboration | Fecha de publicación: | ene-2019 | Editor: | American Physical Society | Citación: | Physical Review Letters 122 (1): 011802 (2019) | Resumen: | A measurement of the charm-mixing parameter yCP using D0→K+K-, D0→π+π-, and D0→K-π+ decays is reported. The D0 mesons are required to originate from semimuonic decays of B- and B0 mesons. These decays are partially reconstructed in a data set of proton-proton collisions at center-of-mass energies of 7 and 8 TeV collected with the LHCb experiment and corresponding to an integrated luminosity of 3 fb-1. The yCP parameter is measured to be (0.57±0.13(stat)±0.09(syst))%, in agreement with, and as precise as, the current world-average value. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevLett.122.011802 | URI: | http://hdl.handle.net/10261/204886 | DOI: | 10.1103/PhysRevLett.122.011802 | Identificadores: | doi: 10.1103/PhysRevLett.122.011802 issn: 1079-7114 |
| Aparece en las colecciones: | (IFIC) Artículos |
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| 189_Measurement_LHCB.pdf | 340,2 kB | Adobe PDF |  Visualizar/Abrir |
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