Right-Handed New Physics Remains Strangely Beautiful
Daniel T. Larson, Hitoshi Murayama, Gilad Perez
Abstract
Current data on CP violation in Bd -> eta' KS and Bd -> phi KS, taken literally, suggest new physics contributions in b -> s transitions. Despite a claim to the contrary, we point out that right-handed operators with a single weak phase can account for both deviations thanks to the two-fold ambiguity in the extraction of the weak phase from the corresponding CP-asymmetry. This observation is welcome since large mixing in the right-handed sector is favored by many GUT models and frameworks which address the flavor puzzle. There are also interesting correlations with the Bs system which provide a way to test this scenario in the near future.
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