Review of rare kaon decays emphasizing their role in probing New Physics through connections to B-anomalies and CP violation in the LHC era.
Lepton flavor (universality) violation in rare kaon decays
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abstract
Recent anomalies in the decays of $B$ mesons and the Higgs boson provide hints towards lepton flavor (universality) violating physics beyond the Standard Model. We observe that four-fermion operators which can explain the $B$-physics anomalies have corresponding analogs in the kaon sector, and we analyze their impact on $K\to\pi\ell \ell'$ and $K\to\ell \ell'$ decays $(\ell=\mu,e)$. For these processes, we note the corresponding physics opportunities at the NA62 experiment. In particular, assuming minimal flavor violation, we comment on the required improvements in sensitivity necessary to test the $B$-physics anomalies in the kaon sector.
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hep-ph 1years
2019 1verdicts
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Theory perspectives on rare Kaon decays and CPV
Review of rare kaon decays emphasizing their role in probing New Physics through connections to B-anomalies and CP violation in the LHC era.