Search for CP violation in B0 → J/ψKS0 decays with first LHCb data
Universidade Federal do Rio de Janeiro
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We report a measurement of the CP violation in B0 → J/ψKS0 decays. We perform a time-dependent analysis of the decays reconstructed in 35 pb−1 of LHCb data that was taken in 2010. We measure the CP asymmetry parameter SJ/ψKS0 = 0.53-0.29+0.28 (stat) ±0.05 (syst), which is connected to the CKM angle β.
© Owned by the authors, published by EDP Sciences, 2012