Exploring CP-violation, via heavy neutrino oscillations, in rare B meson decays at Belle II
2020
In this article we study the rare B-meson decay via two on-shell almost-degenerate Majorana Heavy Neutrinos, into two charged leptons and two pseudoscalar mesons (
$$B^{\pm } \rightarrow D^0 \ell ^{\pm }_1 \ell ^{\pm }_2 \pi ^{\mp }$$
). We consider the scenario where the heavy neutrino masses are
$$\sim 2$$
GeV and the heavy-light mixing coefficients are
$$|B_{\ell N}|^2 \sim 10^{-5}$$
, and evaluate the possibility to measure the CP-asymmetry at Belle II. We present some realistic conditions under which the asymmetry could be detected.
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