PoS - Proceedings of Science
Volume 314 - The European Physical Society Conference on High Energy Physics (EPS-HEP2017) - Neutrino Phyisics (Parallel Session). Conveners: Francesca Di Lodovico; Enrique Fernandez-Martinez; Livia Ludhova. Scientific Secretary: Chiara Sirignano.
Higgs effective $\boldsymbol{H\ell_i\ell_j}$ vertex from heavy $\boldsymbol{\nu_R}$ and applications to LFV phenomenology
M.J. Herrero*, E. Arganda", X. Marcano", R. Morales" and A. Szynkman"
Full text: pdf
Pre-published on: October 20, 2017
Published on: March 20, 2018
Abstract
We present a new computation of the Lepton Flavor Violating effective vertex involving the Higgs boson and two leptons with different flavors. This vertex is generated from the integration to one-loop level of the heavy right handed neutrinos which are considered here within the context of the Low Scale Seesaw Models and with masses close to the TeV scale. We apply the Mass Insertion Approximation technique to compute the loop contributions from these heavy $\nu_R$ and derive a symple analytical formula for the $Hl_il_j$ effective vertex in terms of the input $Y_\nu$ Yukawa coupling matrix and right handed $M_R$ neutrino masses. Some interesting phenomenological applications of this $Hl_il_j$ effective vertex are also included.
DOI: https://doi.org/10.22323/1.314.0114
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