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arXiv · 1112.0091

Right-handed current contributions in B -> K pi decays

Kihyeon Cho·Soo-hyeon Nam
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Abstract

We reexamine the right-handed current effects in $b \to s$ transitions in nonmanifest left-right models. Using the effective Hamiltonian approach including all possible low-energy operators, we obtain especially the B \to K πdecay amplitudes including annihilation contributions, and investigate the right-handed current contributions to CP asymmetries in $B \to K π$ decays. Taking into account the constraints from global analysis of muon decay measurements, |V_{ub}| measurements in inclusive and exclusive B decays, and $B_s^0-\bar{B_s^0}$ mixing measurements, we find the allowed regions of new physics parameters satisfying the current experimental data.

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Kihyeon Cho, Soo-hyeon Nam. 2013-08-12. Right-handed current contributions in B -> K pi decays. https://doi.org/10.1103/physrevd.88.035012

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