Measurement of the time-dependent CP asymmetry in B[superscript 0] → J/ψ K[superscript 0][subscript S] decays
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Author(s)
LHCB Collaboration
Williams, Michael
Date Issued
March 2013
Journal
Physics Letters B
Publisher
Elsevier BV
Citation
Aaij, R., et al. “Measurement of the Time-Dependent CP Asymmetry in B[superscript 0]→J/ΨK[subscript S][superscript 0] Decays.” Physics Letters B, 721, 1–3 (April 2013): 24–31 © 2013 CERN
Version
Final published version
Abstract
This Letter reports a measurement of the CP violation observables S[subscript J/ψK][superscript 0][subscript S]] and C[subscript J/ψK[superscrpt 0][subscript S]] in the decay channel B[superscript 0] → J/ψ K [superscript 0][subscript S] performed with 1.0 fb[superscript -1] of pp collisions at √s = 7 TeV collected by the LHCb experiment. The fit to the data yields S[subscript J/ψ K[superscript 0][subscript S]] = 0.73 ± 0.07 (stat) ± 0.04 (syst) and C[subscript J/ψK[superscript 0][subscript S]] = 0.03 ± 0.09 (stat) ± 0.01 (syst). Both values are consistent with the current world averages and within expectations from the Standard Model.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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Creative Commons Attribution-NonCommercial-NoDerivs License
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DOI of Published Version
https://doi.org/10.1016/J.PHYSLETB.2013.02.054
