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| Título: | Measurement of the B−c meson lifetime in the decay B−c→J/ψπ− |
Autor: | Aaltonen, T.; Álvarez González, B.; Casal, Bruno CSIC; Cuevas, Javier CSIC ORCID; Gómez, Gervasio CSIC ORCID ; Palencia, Enrique CSIC ORCID; Rodrigo, Teresa CSIC ORCID ; Ruiz Jimeno, Alberto CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Vila, Iván CSIC ORCID; Vilar Cortabitarte, R. CSIC ORCID; Vizán, J. CSIC ORCID; CDF Collaboration | Fecha de publicación: | 2013 | Editor: | American Physical Society | Citación: | Physical Review D 87: 011101(R) (2013) | Resumen: | The lifetime of the B−c meson is measured using 272 exclusive B−c→J/ψ(→μ+μ−)π− decays reconstructed in data from proton-antiproton collisions corresponding to an integrated luminosity of 6.7 fb−1 recorded by the CDF II detector at the Fermilab Tevatron. The lifetime of the B−c meson is measured to be τ(B−c)=0.452±0.048(stat)±0.027(syst) ps. This is the first measurement of the B−c meson lifetime in a fully reconstructed hadronic channel, and it agrees with previous results and has comparable precision. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevD.87.011101 | URI: | http://hdl.handle.net/10261/109332 | DOI: | 10.1103/PhysRevD.87.011101 | Identificadores: | doi: 10.1103/PhysRevD.87.011101 issn: 1550-7998 e-issn: 1550-2368 |
| Aparece en las colecciones: | (IFCA) Artículos |
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| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| meson lifetime in the decay.pdf | 284,62 kB | Adobe PDF |  Visualizar/Abrir |
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