PoS - Proceedings of Science
Volume 441 - XVIII International Conference on Topics in Astroparticle and Underground Physics (TAUP2023) - Neutrino Physics and Astrophysics
Neutrinoless double beta decay mediated by non-interfering exchange of light and heavy Majorana neutrinos
A. Marrone*, E. Lisi and N. Nath
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Pre-published on: February 27, 2024
Published on: March 22, 2024
We investigate the neutrinoless double beta decay ($0\nu\beta\beta$) process, focusing and commenting on the results reported in \cite{Lisi:2023amm}, in the case where both light and heavy
Majorana neutrinos contribute independently without interference, . Our analysis incorporates recent computations of
nuclear matrix elements (NME) from different nuclear models. We put bounds on the contributions of light and heavy
neutrinos to $0\nu\beta\beta$ decay with current data, and we study the impact of potential signals at $>3\sigma$ for
projects such as nEXO, LEGEND, and CUPID.
DOI: https://doi.org/10.22323/1.441.0201
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