New physics searches in nuclear and neutron β decay
M González-Alonso, O Naviliat-Cuncic… - Progress in Particle and …, 2019 - Elsevier
The status of tests of the standard electroweak model and of searches for new physics in
allowed nuclear β decay and neutron decay is reviewed including both theoretical and …
allowed nuclear β decay and neutron decay is reviewed including both theoretical and …
Field theory of the Fermi function
The Fermi function F (Z, E) accounts for QED corrections to beta decays that are enhanced
at either small electron velocity β or large nuclear charge Z. For precision applications, the …
at either small electron velocity β or large nuclear charge Z. For precision applications, the …
Precision Measurement of the Asymmetry in Spin-Polarized Decay
B Fenker, A Gorelov, D Melconian, JA Behr… - Physical Review Letters, 2018 - APS
Using Triumf's neutral atom trap, Trinat, for nuclear β decay, we have measured the β
asymmetry with respect to the initial nuclear spin in K 37 to be A β=-0.5707 (13) syst (13) stat …
asymmetry with respect to the initial nuclear spin in K 37 to be A β=-0.5707 (13) syst (13) stat …
All orders factorization and the Coulomb problem
In the limit of large nuclear charge, Z≫ 1, or small lepton velocity, β≪ 1, Coulomb
corrections to nuclear beta decay and related processes are enhanced as Z α/β and become …
corrections to nuclear beta decay and related processes are enhanced as Z α/β and become …
Fundamental symmetries, neutrons, and neutrinos (FSNN): Whitepaper for the 2023 NSAC long range plan
This whitepaper presents the research priorities decided on by attendees of the 2022 Town
Meeting for Fundamental Symmetries, Neutrons and Neutrinos, which took place December …
Meeting for Fundamental Symmetries, Neutrons and Neutrinos, which took place December …
Motivations for early high-profile FRIB experiments
This white paper is the result of a collaboration by those that attended a workshop at the
Facility for Rare Isotope Beams (FRIB), organized by the FRIB Theory Alliance (FRIB-TA), on …
Facility for Rare Isotope Beams (FRIB), organized by the FRIB Theory Alliance (FRIB-TA), on …
The MORA project
The MORA (M atter's O rigin from the R adio A ctivity of trapped and oriented ions) project
aims at measuring with unprecedented precision the D correlation in the nuclear beta decay …
aims at measuring with unprecedented precision the D correlation in the nuclear beta decay …
Precision half-life measurement of
A new precision half-life measurement of Al 25 was conducted using the TwinSol β-counting
station at the University of Notre Dame. The new measured value of t 1/2 new= 7.1657 (24) s …
station at the University of Notre Dame. The new measured value of t 1/2 new= 7.1657 (24) s …
Analog-antianalog isospin mixing in decay
B Kootte, H Gallop, C Luktuke, JC McNeil, A Gorelov… - Physical Review C, 2024 - APS
We have measured the isospin mixing of the I π= 1/2+, E x= 2.599 MeV state in nearly
doubly magic Ca 47 with the isobaric analog 1/2+ state of K 47. Using the TRIUMF atom trap …
doubly magic Ca 47 with the isobaric analog 1/2+ state of K 47. Using the TRIUMF atom trap …
Testing for isospin symmetry breaking with extensive calculations of isotope shift factors in potassium
Precise evaluation of the isotope shift (IS) factors for seven low-lying potassium (K) states is
achieved using relativistic coupled-cluster (RCC) theory. The energies of these states are …
achieved using relativistic coupled-cluster (RCC) theory. The energies of these states are …