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Título: | Search for CP violation in the decays D-+/- -> (KSK +/-)-K-0, D-s(+/-) -> (KSK +/-)-K-0, and D-s(+/-) -> K-S(0)pi(+/-) |
Autor: | Babar Collaboration; Lees, J. P.; Martínez-Vidal, Fernando CSIC ORCID; Oyanguren, Arantza CSIC ORCID; Villanueva-Pérez, P. | Palabras clave: | CP violation Double beta decay BABAR |
Fecha de publicación: | 18-mar-2013 | Editor: | American Physical Society | Citación: | Physical Review - Section D - Particles and Fields 87 (5): 052012 - 10 (2013) | Resumen: | We report a search for CP violation in the decay modes D-+/- -> (KSK +/-)-K-0, D-s(+/-) -> (KSK +/-)-K-0, and D-s(+/-) -> K-S(0)pi(+/-) using a data set corresponding to an integrated luminosity of 469 fb(-1) collected with the BABAR detector at the PEP-II asymmetric energy e(+)e(-) storage rings. The decay rate CP asymmetries, ACP, are determined to be (+0.13 +/- 0.36(stat) +/- 0.25(syst))%, (-0.05 +/- 0.23(stat) +/- 0.24(syst))%, and (+0.6 +/- 2.0(stat) +/- 0.3(syst))%, respectively. These measurements are consistent with zero, and also with the Standard Model prediction [(-0.332 +/- 0.006)% for the D-+/- -> (KSK +/-)-K-0 and D-s(+/-) -> (KSK +/-)-K-0 modes, and (+0.332 +/- 0.006)% for the D-s(+/-) -> K-S(0)pi(+/-) mode]. They are the most precise determinations to date. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevD.87.052012 | URI: | http://hdl.handle.net/10261/125732 | DOI: | 10.1103/PhysRevD.87.052012 | ISSN: | 1550-7998 | E-ISSN: | 1550-2368 |
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Search for CP violation.pdf | 754,73 kB | Adobe PDF | Visualizar/Abrir |
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