Measurement of CP violation and the Bºs meson decay width difference with Bºs→J/ψK+K- and Bºs→J/ψπ +π - decays

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Back, J. J.; Craik, Daniel; Dossett, D.; Gershon, T. J.; Kreps, Michal; Latham, Thomas; Pilar, T.; Poluektov, Anton; Reid, Matthew M.; Silva Coutinho, R.; Whitehead, M. (Mark); Williams, M. P.; HASH(0x5576ca85a4b8);
(2013)

The time-dependent CP asymmetry in Bºs→J/ψK+K - decays is measured using pp collision data at √s=7 TeV, corresponding to an integrated luminosity of 1.0 fb-1, collected with the LHCb detector. The decay-time distribution is characterized by the decay widths ΓL and ΓH of... View more
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