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Título: | Measurement of the branching fractions of the decays B-s(0) -> (D)over-bar(0)K(-) pi(+) and B-0 -> (D)over-bar(0)K(+) pi(-) |
Autor: | LHCb Collaboration; Oyanguren, Arantza CSIC ORCID; Aaij, R.; Ruiz Valls, Pablo CSIC | Palabras clave: | CP-violation Package |
Fecha de publicación: | 20-jun-2013 | Editor: | American Physical Society | Citación: | Physical Review - Section D - Particles and Fields 87 (11): 112009 - 10 (2013) | Resumen: | The first observation of the decay B-s(0) -> (D) over bar K-0(-) pi(+) is reported. The analysis is based on a data sample, corresponding to an integrated luminosity of 1.0 fb(-1) of pp collisions, collected with the LHCb detector. The branching fraction relative to that of the topologically similar decay B-0 -> (D) over bar (0)pi(+)pi(-) is measured to be B(B-0 ->(D) over bar K-0(+)pi(-))/B(B-0 ->(D) over bar (0)pi(+)pi(-)) 1.18 +/- 0.05(stat) +/- 0.12(syst). In addition, the relative branching fraction of the decay B-0 -> (D) over bar K-0(+)pi(-) is measured to be B(B-0 ->(D) over bar K-0(+)pi(-))/B(B-0 ->(D) over bar (0)pi(+)pi(-)) = 0.106 +/-(stat) +/- 0.008(syst). | Versión del editor: | http://dx.doi.org/10.1103/PhysRevD.87.112009 | URI: | http://hdl.handle.net/10261/126262 | DOI: | 10.1103/PhysRevD.87.112009 | ISSN: | 1550-7998 | E-ISSN: | 1550-2368 |
Aparece en las colecciones: | (IFIC) Artículos |
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Measurement of the branching.pdf | 278,19 kB | Adobe PDF | Visualizar/Abrir |
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