Abstract
Using a data sample corresponding to an integrated luminosity of collected by LHCb in 2011, we report the first evidence of violation in the decays of mesons to pairs, , with a significance of . Furthermore, we report the most precise measurement of violation in the decays of mesons to pairs, , with a significance exceeding .
- Received 29 February 2012
DOI:https://doi.org/10.1103/PhysRevLett.108.201601
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© 2012 CERN, for the LHCb Collaboration