https://doi.org/10.1051/epjconf/201715803005
Rare four-leptonic B-decays with light leptons in the final state in the Standard Model
1 M.V.Lomonosov Moscow State University, Physics Faculty
2 D.V.Skobeltsyn Institute of Nuclear Physics
3 Institute for Theoretical and Experimental Physics
* e-mail: anna.danilina@cern.ch
** e-mail: nnikit@mail.cern.ch
Published online: 24 October 2017
We present predictions for the four-leptonic decays of B−-mesons with three light charged leptons and one neutrino in the final states. We obtain the branching ratio for 
decay at the level 1.3 × 10−7 taking into account the photon emission from the u- and b- valence quarks of B− –meson and the Bremsstrahlung. The contribution of the virtual photon was calculated using the Vector Meson Dominance model (VMD). As a next step we present prediction for branching ratio of the decay 
and the estimation for 
.
© The authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
