5 years ago

Radiative lepton flavor violating B, D, and K decays.

Alexey A. Petrov, Derek E. Hazard

We argue that radiative lepton flavor violating (RLFV) decays $P \to \gamma \ell_1 \overline{\ell}_2$ of $P =B^0_q$, $\bar{D}^0$, and $K^0$ meson states are robust probes of new physics models. In particular, they could be used to put constraints on the Wilson coefficients of effective operators describing lepton flavor-changing neutral current interactions at low energy scales. We set up a generic framework for describing these transitions and review new physics constraints from $P \to \ell_1 \bar \ell_2$ decays. There is discussion of how RLFV transitions provide access to the operators that cannot be constrained in two-body decays and we in turn motivate further experimental searches via these channels.

Publisher URL: http://arxiv.org/abs/1711.05314

DOI: arXiv:1711.05314v1

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