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Measurement of the time-dependent CP asymmetry in B0 -> J/{\psi} KS0 decays

Abstract : This Letter reports a measurement of the CP violation observables S_J/{\psi}KS0 and C_J/{\psi}KS0 in the decay channel B0 -> J/{\psi} KS0 performed with 1.0/fb of pp collisions at sqrt(s) = 7 TeV collected by the LHCb experiment. The fit to the data yields S_J/{\psi}KS0 = 0.73 +- 0.07 (stat) +- 0.04 (syst) and C_J/{\psi}KS0 = 0.03 +- 0.09 (stat) +- 0.01 (syst). Both values are consistent with the current world averages and within expectations from the Standard Model.
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http://hal.in2p3.fr/in2p3-00757740
Contributor : Sabine Starita <>
Submitted on : Tuesday, November 27, 2012 - 3:16:33 PM
Last modification on : Wednesday, December 2, 2020 - 4:40:02 PM

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R. Aaij, S. Barsuk, O. Callot, J. He, B. Jean-Marie, et al.. Measurement of the time-dependent CP asymmetry in B0 -> J/{\psi} KS0 decays. Physics Letters B, Elsevier, 2013, 721, pp.24-31. ⟨10.1016/j.physletb.2013.02.054⟩. ⟨in2p3-00757740⟩

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