PoS - Proceedings of Science
Volume 449 - The European Physical Society Conference on High Energy Physics (EPS-HEP2023) - T04 Neutrino Physics
Neutrinoless double beta decay: interplay between nuclear matrix elements and neutrino exchange mechanisms
A. Marrone*, E. Lisi and N. Nath
Full text: pdf
Pre-published on: December 14, 2023
Published on: March 21, 2024
We study neutrinoless double beta decay ($0\nu\beta\beta$) mediated by non-interfering exchange of both light and heavy Majorana neutrinos, by taking into account recent calculations of nuclear matrix elements (NME) from various nuclear models. We put upper limits on the light and heavy neutrino contributions to $0\nu\beta\beta$ decay, using data from current experiments (KamLAND-Zen, EXO, GERDA, MAJORANA, and CUORE), and also evaluates the potential signals at a significance level greater than $3\sigma$ in future projects like nEXO, LEGEND, and CUPID.
DOI: https://doi.org/10.22323/1.449.0150
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