Radiative Corrections to Superallowed Decays in Effective Field Theory

V Cirigliano, W Dekens, J de Vries, S Gandolfi… - Physical Review Letters, 2024 - APS
The accuracy of V ud determinations from superallowed β decays critically hinges on control
over radiative corrections. Recently, substantial progress has been made on the single …

In-medium similarity renormalization group with flowing 3-body operators, and approximations thereof

SR Stroberg, TD Morris, BC He - Physical Review C, 2024 - APS
We explore the impact of retaining three-body operators within the in-medium similarity
renormalization group (IMSRG), as well as various approximations schemes. After studying …

Factorized approximation to the in-medium similarity renormalization group IMSRG (3)

BC He, SR Stroberg - Physical Review C, 2024 - APS
We describe an approximation to the in-medium similarity renormalization group (IMSRG)
method in which we include the effects of intermediate three-body operators arising within …

Emulating the generator coordinate method with extended eigenvector continuation for the Lipkin-Meshkov-Glick model

QY Luo, X Zhang, LH Chen, JM Yao - Physical Review C, 2024 - APS
We present a benchmark study of the generator coordinate method (GCM) combined with
eigenvector continuation (EC) in two different schemes for the low-lying states of the Lipkin …

[HTML][HTML] Nuclear matrix elements of neutrinoless double-beta decay in covariant density functional theory with different mechanisms

C Ding, G Li, J Yao - Physics Letters B, 2024 - Elsevier
Nuclear matrix elements (NMEs) for neutrinoless double-beta (0 ν β β) decay in candidate
nuclei play a crucial role in interpreting results from current experiments and in designing …

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 …

Confronting the low-scale seesaw and leptogenesis with neutrinoless double beta decay

J de Vries, M Drewes, Y Georis, J Klarić… - arXiv preprint arXiv …, 2024 - arxiv.org
We revisit the impact of heavy neutrinos with masses in the MeV-GeV range on neutrinoless
double beta decay ($0\nu\beta\beta $) in view of updated results for the lifetime of this …

[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 …

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 …