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Título: | Measurement of time-dependent CP asymmetry in B-0 -> c(c)over barK((*)0) decays |
Autor: | Babar Collaboration; Azzolini, Virginia; López-March, Neus CSIC; Martínez-Vidal, Fernando CSIC ORCID; Milanés, Diego A. CSIC ORCID; Oyanguren, Arantza CSIC ORCID; Aubert, B. | Fecha de publicación: | 29-abr-2009 | Editor: | American Physical Society | Citación: | Physical Review - Section D - Particles and Fields 79 (7): 072009 (2009) | Resumen: | We present updated measurements of time-dependent CP asymmetries in fully reconstructed neutral B decays containing a charmonium meson. The measurements reported here use a data sample of (465 +/- 5)x10(6) Upsilon(4S)-> B<overline>B</overline> decays collected with the BABAR detector at the PEP-II asymmetric energy e(+)e(-) storage rings operating at the SLAC National Accelerator Laboratory. The time-dependent CP asymmetry parameters measured from J psi K-S(0), J psi K-L(0), psi(2S)K-S(0), eta K-c(S)0, chi K-c1(S)0, and J/psi K-*(892)(0) decays are: C-f=0.024 +/- 0.020(stat)+/- 0.016(syst) and -eta S-f(f)=0.687 +/- 0.028(stat)+/- 0.012(syst). | Versión del editor: | http://dx.doi.org/ 10.1103/PhysRevD.79.072009 | URI: | http://hdl.handle.net/10261/21979 | DOI: | 10.1103/PhysRevD.79.072009 | ISSN: | 1550-7998 |
Aparece en las colecciones: | (IFIC) Artículos |
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time-dependent.pdf | 334,01 kB | Adobe PDF | Visualizar/Abrir |
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