Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/133693
Title: First Evidence of Direct CP Violation in Charmless Two-Body Decays of B0s Mesons
Author: Abellan Beteta, Carlos
Calvo Gómez, Míriam
Camboni, Alessandro
Comerma Montells, Albert
Domingo Bonal, Francesc
Garrido Beltrán, Lluís
Gascón Fora, David
Grabalosa Gándara, Marc
Graciani Díaz, Ricardo
Graugés Pous, Eugeni
López Asamar, Elias
Pérez-Calero Yzquierdo, Antonio
Picatoste Olloqui, Eduardo
Pie Valls, B. (Blai)
Potterat, Cédric
Puig Navarro, Albert
Roselló, M.
Ruiz, Hugo (Ruiz Pérez)
Vázquez Gómez, Ricard
Vilasis-Cardona, Xavier
LHCb Collaboration
Keywords: Física de partícules
Experiments
Particle physics
Experiments
Issue Date: 16-May-2012
Publisher: American Physical Society
Abstract: Using a data sample corresponding to an integrated luminosity of 0.35     fb − 1 collected by LHCb in 2011, we report the first evidence of C P violation in the decays of B 0 s mesons to K ± π ∓ pairs, A C P ( B 0 s → K π ) = 0.27 ± 0.08 ( stat ) ± 0.02 ( syst ) , with a significance of 3.3 σ . Furthermore, we report the most precise measurement of C P violation in the decays of B 0 mesons to K ± π ∓ pairs, A C P ( B 0 → K π ) = − 0.088 ± 0.011 ( stat ) ± 0.008 ( syst ) , with a significance exceeding 6 σ .
Note: Reproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.108.201601
It is part of: Physical Review Letters, 2012, vol. 108, num. 20, p. 201601
URI: http://hdl.handle.net/2445/133693
Related resource: https://doi.org/10.1103/PhysRevLett.108.201601
ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)
Articles publicats en revistes (Electrònica)
Articles publicats en revistes (Física de la Matèria Condensada)

Files in This Item:
File Description SizeFormat 
618974.pdf354.83 kBAdobe PDFView/Open


This item is licensed under a Creative Commons License Creative Commons