Laser spectroscopy for the study of exotic nuclei

XF Yang, SJ Wang, SG Wilkins, RFG Ruiz - Progress in Particle and …, 2023 - Elsevier
Investigation into the properties and structure of unstable nuclei far from stability is a key
avenue of research in modern nuclear physics. These efforts are motivated by the continual …

Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of N = 32

Á Koszorús, XF Yang, WG Jiang, SJ Novario, SW Bai… - Nature Physics, 2021 - nature.com
Nuclear charge radii are sensitive probes of different aspects of the nucleon–nucleon
interaction and the bulk properties of nuclear matter, providing a stringent test and challenge …

Spectroscopy of short-lived radioactive molecules

RF Garcia Ruiz, R Berger, J Billowes, CL Binnersley… - Nature, 2020 - nature.com
Molecular spectroscopy offers opportunities for the exploration of the fundamental laws of
nature and the search for new particle physics beyond the standard model,,–. Radioactive …

Precision spectroscopy and laser-cooling scheme of a radium-containing molecule

SM Udrescu, SG Wilkins, AA Breier… - Nature Physics, 2024 - nature.com
Molecules containing heavy radioactive nuclei are predicted to be extremely sensitive to
violations of the fundamental symmetries of nature. The nuclear octupole deformation of …

[HTML][HTML] Survey of hyperfine structure measurements in alkali atoms

M Allegrini, E Arimondo, LA Orozco - Journal of Physical and Chemical …, 2022 - pubs.aip.org
The spectroscopic hyperfine constants for all the alkali atoms are reported. For atoms from
lithium to cesium, only the long lived atomic isotopes are examined. For francium, the …

Isotope shifts of radium monofluoride molecules

SM Udrescu, AJ Brinson, RFG Ruiz, K Gaul, R Berger… - Physical Review Letters, 2021 - APS
Isotope shifts of Ra 223–226, 228 F 19 were measured for different vibrational levels in the
electronic transition A 2 Π 1/2← X 2 Σ+. The observed isotope shifts demonstrate the …

Collinear laser spectroscopy at ISOLDE: new methods and highlights

R Neugart, J Billowes, ML Bissell… - Journal of Physics G …, 2017 - iopscience.iop.org
Over three and a half decades of collinear laser spectroscopy and the COLLAPS setup have
played a major role in the ISOLDE physics programme. Based on a general experimental …

Nuclear structure studies by collinear laser spectroscopy

Á Koszorús, RP de Groote, B Cheal… - The European Physical …, 2024 - Springer
High-resolution laser spectroscopy can be used to precisely measure atomic hyperfine
structures and shifts in spectral lines. These nuclear perturbations of the atomic structure …

[HTML][HTML] Analysis of counting data: Development of the SATLAS Python package

W Gins, RP de Groote, ML Bissell, CG Buitrago… - Computer Physics …, 2018 - Elsevier
For the analysis of low-statistics counting experiments, a traditional nonlinear least squares
minimization routine may not always provide correct parameter and uncertainty estimates …

[HTML][HTML] Simulation of the relative atomic populations of elements 1≤ Z≤ 89 following charge exchange tested with collinear resonance ionization spectroscopy of …

AR Vernon, J Billowes, CL Binnersley… - … Acta Part B: Atomic …, 2019 - Elsevier
Calculations of the neutralisation cross-section and relative population of atomic states were
performed for ions beams (1≤ Z≤ 89) at 5 and 40 keV incident on free sodium and …