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Measurement of the time-dependent CP asymmetry in B0→J/ψKS0 decays

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Original languageEnglish
Pages (from-to)24-31
Number of pages8
JournalPhysics Letters B
Issue number1-3
Early online date6 Mar 2013
Publication statusPublished - 10 Apr 2013


This Letter reports a measurement of the CP violation observables SJ/ψKS0 and CJ/ψKS0 in the decay channel B0→J/ψKS0 performed with 1.0 fb−11.0 fb−1 of pp collisions at s=7 TeV collected by the LHCb experiment. The fit to the data yields SJ/ψKS0=0.73±0.07(stat)±0.04(syst) and CJ/ψKS0=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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