The search for neutrinoless double-beta decay

JJ Gómez-Cadenas, J Martín-Albo, J Menéndez… - La Rivista del Nuovo …, 2023 - Springer
Neutrinos are the only particles in the Standard Model that could be Majorana fermions, that
is, completely neutral fermions that are their own antiparticles. The most sensitive known …

Impact of shell model interactions on nuclear responses to WIMP elastic scattering

R Abdel Khaleq, G Busoni, C Simenel, AE Stuchbery - Physical Review D, 2024 - APS
Nuclear recoil from scattering with weakly interacting massive particles (WIMPs) is a
signature searched for in direct detection of dark matter. The underlying WIMP-nucleon …

Theoretical Advances in Beta and Double-Beta Decay

VA Sevestrean, S Stoica - Symmetry, 2024 - mdpi.com
Weak interaction processes continue to be hot topics in fundamental physics research. In
this paper, we briefly review some recent advances in the theoretical study of beta and …

Correlation of neutrinoless double-beta decay nuclear matrix elements with nucleon-nucleon phase shifts

A Belley, J Pitcher, T Miyagi, SR Stroberg… - arxiv preprint arxiv …, 2024 - arxiv.org
We present an ab initio study of the correlation between nuclear matrix elements of
neutrinoless double-beta ($0\nu\beta\beta $) decay and nucleon-nucleon scattering phase …

Global sensitivity analysis and uncertainty quantification of nuclear low-lying states and double-beta decay with a covariant energy density functional

X Zhang, CC Wang, CR Ding, JM Yao - arxiv preprint arxiv:2408.13209, 2024 - arxiv.org
We present a statistical analysis of nuclear low-lying states within the framework of
multireference covariant density functional theory (MR-CDFT) using a relativistic point …

[HTML][HTML] Neutrinoless ββ decay nuclear matrix elements complete up to N2LO in heavy nuclei

D Castillo, L Jokiniemi, P Soriano, J Menéndez - Physics Letters B, 2025 - Elsevier
We evaluate all nuclear matrix elements (NMEs) up to next-to-next-to leading order (N 2 LO)
in chiral effective field theory (χEFT) for the neutrinoless double-beta (0 ν β β) decay of the …

[HTML][HTML] A pathway to unveiling neutrinoless ββ decay nuclear matrix elements via γγ decay

B Romeo, D Stramaccioni, J Menéndez… - Physics Letters B, 2025 - Elsevier
We investigate the experimental feasibility of detecting second-order double-magnetic
dipole (γγ-M 1 M 1) decays from double isobaric analog states (DIAS), which have recently …

Interplay between noninterfering neutrino exchange mechanisms and nuclear matrix elements in decay

E Lisi, A Marrone, N Nath - Physical Review D, 2023 - APS
We revisit the phenomenology of neutrinoless double beta (0 ν β β) decay mediated by
noninterfering exchange of light and heavy Majorana neutrinos, in the context of current and …

Subspace-projected multireference covariant density functional theory

X Zhang, CC Wang, CR Ding, JM Yao - arxiv preprint arxiv:2408.00691, 2024 - arxiv.org
Multireference density functional theory (MR-DFT) has been a pivotal method for studying
nuclear low-lying states and neutrinoless double-beta ($0\nu\beta\beta $) decay. However …

[HTML][HTML] Neutrinoless Double-Beta Decay Investigations of 82Se Using Three Shell Model Hamiltonians

A Neacsu, M Horoi - Symmetry, 2024 - mdpi.com
Neutrinoless double-beta decay is considered one of the most promising processes that
would help clarify some of the symmetry-breaking problems in our understanding of the …