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Título: | Search for CP violation in D+ -> phi pi(+) and D-s(+) -> K-S(0)pi(+) decays |
Autor: | LHCb Collaboration; Aaij, R.; Oyanguren, Arantza CSIC ORCID; Ruiz Valls, Pablo CSIC | Palabras clave: | CP violation Charm physics Hadron-Hadron Scattering |
Fecha de publicación: | 1-jun-2013 | Editor: | Springer Nature | Citación: | Journal of High Energy Physics 06 (6): 112 - 20 (2013) | Resumen: | A search for C P violation in D+ -> phi pi(+) decays is performed using data collected in 2011 by the LHCb experiment corresponding to an integrated luminosity of 1.0 fb(-1) at a centre of mass energy of 7 TeV. The CP-violating asymmetry is measured to be (-0.04 +/- 0.14 +/- 0.14)% for candidates with K-K+ mass within 20 MeV/c(2) of the phi meson mass. A search for a CP-violating asymmetry that varies across the phi mass region of the D+ -> K-K+pi(+) Dalitz plot is also performed, and no evidence for CP violation is found. In addition, the CP asymmetry in the D-s(+) -> K-S(0)pi(+) decay is measured to be (0.61 +/- 0.83 +/- 0.14)%. | Versión del editor: | http://dx.doi.org/10.1007/JHEP06(2013)112 | URI: | http://hdl.handle.net/10261/125969 | DOI: | 10.1007/JHEP06(2013)112 | ISSN: | 1029-8479 | E-ISSN: | 1029-8479 |
Aparece en las colecciones: | (IFIC) Artículos |
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Search for CP violation.pdf | 857,76 kB | Adobe PDF | Visualizar/Abrir |
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