A Colored KNT Neutrino Model
Takaaki Nomura, Hiroshi Okada, Nobuchika Okada

TL;DR
This paper introduces a three-loop radiative seesaw model involving quarks, leptons, leptoquarks, and a Majorana fermion to explain neutrino masses and dark matter, consistent with experimental constraints.
Contribution
It presents a novel three-loop neutrino mass model incorporating dark matter and collider constraints, expanding beyond previous lower-loop models.
Findings
Identifies parameter regions compatible with neutrino oscillation data.
Demonstrates the model's consistency with dark matter relic density.
Shows compatibility with collider bounds on leptoquark masses.
Abstract
We propose a radiative seesaw model at the three-loop level, in which quarks, leptons, leptoquark bosons, and a Majorana fermion of dark matter candidate are involved in the neutrino loop. Analyzing neutrino oscillation data including all possible constraints such as flavor changing neutral currents, lepton flavor violations, upper/lower bound on the mass of leptoquark from the collider physics, and the measured relic density of the dark matter, we show the allowed region to satisfy all the data/constraints.
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