Opportunities and Open Questions in Modern Beta Decay

L Hayen - Annual Review of Nuclear and Particle Science, 2024 - annualreviews.org
For well over half a century, precision studies of neutron and nuclear β decays have been at
the forefront of searches for exotic electroweak physics. Recent advances in nuclear ab initio …

Proton momentum and angular momentum decompositions with overlap fermions

G Wang, YB Yang, J Liang, T Draper, KF Liu… - Physical Review D, 2022 - APS
We present a calculation of the proton momentum and angular momentum decompositions
using overlap fermions on a 2+ 1-flavor RBC/UKQCD domain-wall lattice at 0.143 fm with a …

Constraining beyond the standard model nucleon isovector charges

RE Smail, M Batelaan, R Horsley, Y Nakamura, H Perlt… - Physical Review D, 2023 - APS
At the TeV scale, low-energy precision observations of neutron characteristics provide
unique probes of novel physics. Precision studies of neutron decay observables are …

Worldline Monte Carlo method for few-body nuclear physics

S Chandrasekharan, ST Nguyen, TR Richardson - Physical Review C, 2024 - APS
In this work we introduce a worldline-based fermion Monte Carlo algorithm for studying few
body quantum mechanics of self-interacting fermions in the Hamiltonian lattice formulation …

Spectral analysis for nucleon-pion and nucleon-pion-pion states in both parity sectors using distillation with domain-wall fermions

A Hackl, C Lehner - arXiv preprint arXiv:2412.17442, 2024 - arxiv.org
We present a study using the distillation method to analyze the spectra of nucleon, nucleon-
pion, and nucleon-pion-pion states in the positive-parity sector, as well as nucleon and …

Transverse momentum-dependent parton distributions for longitudinally polarized nucleons from domain wall fermion calculations at the physical pion mass

M Engelhardt, N Hasan, T Izubuchi, C Kallidonis… - arXiv preprint arXiv …, 2023 - arxiv.org
Previous Lattice QCD calculations of nucleon transverse momentum-dependent parton
distributions (TMDs) focused on the case of transversely polarized nucleons, and thus did …

Rare strange to down quark transitions from lattice quantum chromodynamics

R Hodgson - 2023 - era.ed.ac.uk
In the search for new physics beyond the Standard Model (SM) of particle physics, one
promising set of probes are rare decays, due to the possibility of large contributions from …