General Approach to Neutrino Mass Mechanisms with Sterile Neutrinos

Fuente: arXiv
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Auteurs principaux: Fan, Yale, Thapa, Anil
Format: Preprint
Publié: 2023
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author Fan, Yale
Thapa, Anil
author_facet Fan, Yale
Thapa, Anil
contents We present a mathematical framework for constructing the most general neutrino mass matrices that yield the observed spectrum of light active neutrino masses in conjunction with arbitrarily many heavy sterile neutrinos, without the need to assume a hierarchy between Dirac and Majorana mass terms. The seesaw mechanism is a byproduct of the formalism, along with many other possibilities for generating tiny neutrino masses. We comment on phenomenological applications of this approach, in particular deriving a mechanism to address the long-standing $(g-2)_μ$ anomaly in the context of the left-right symmetric model.
format Preprint
id arxiv_https___arxiv_org_abs_2310_15379
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle General Approach to Neutrino Mass Mechanisms with Sterile Neutrinos
Fan, Yale
Thapa, Anil
High Energy Physics - Phenomenology
We present a mathematical framework for constructing the most general neutrino mass matrices that yield the observed spectrum of light active neutrino masses in conjunction with arbitrarily many heavy sterile neutrinos, without the need to assume a hierarchy between Dirac and Majorana mass terms. The seesaw mechanism is a byproduct of the formalism, along with many other possibilities for generating tiny neutrino masses. We comment on phenomenological applications of this approach, in particular deriving a mechanism to address the long-standing $(g-2)_μ$ anomaly in the context of the left-right symmetric model.
title General Approach to Neutrino Mass Mechanisms with Sterile Neutrinos
topic High Energy Physics - Phenomenology
url https://arxiv.org/abs/2310.15379