arXiv:2202.04502·v2·High Energy Physics — Phenomenology
High-energy colliders as a probe of neutrino properties
Sanjoy Mandal🇰🇷 · O. G. Miranda🇲🇽 · G. Sanchez Garcia🇲🇽 · J. W. F. Valle🇪🇸 · Xun-Jie Xu🇨🇳
Abstract
The mediators of neutrino mass generation can provide a probe of neutrino properties at the next round of high-energy hadron (FCC-hh) and lepton colliders (FCC-ee/ILC/CEPC/CLIC). We show how the decays of the Higgs triplet scalars mediating the simplest seesaw mechanism can shed light on the neutrino mass scale and mass-ordering, as well as the atmospheric octant. Four-lepton signatures at the high-energy frontier may provide the discovery-site for charged lepton flavour non-conservation in nature, rather than low-energy intensity frontier experiments.
Comments: 8 pages, 6 figures, matches Phys. Lett. B accepted version