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(g-2) anomalies and neutrino mass
Journal
Physical Review D
Date Issued
2020-10-08
Author(s)
Cepedello, Ricardo
Fonseca, Renato M.
Hirsch, Martin
Abstract
Motivated by the experimentally observed deviations from standard model predictions, we calculate the anomalous magnetic moments 𝑎𝛼=(𝑔−2)𝛼 for 𝛼=𝑒, 𝜇 in a neutrino mass model originally proposed by Babu, Nandi, and Tavartkiladze (BNT). We discuss two variants of the model: the original model, and a minimally extended version with an additional hypercharge-zero triplet scalar. While the original BNT model can explain 𝑎𝜇, only the variant with the triplet scalar can explain both experimental anomalies. The heavy fermions of the model can be produced at the high-luminosity LHC, and in the part of parameter space where the model explains the experimental anomalies it predicts certain specific decay patterns for the exotic fermions.
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