Abstract
The accuracy of atomic theory calculations limits the extraction of nuclear charge radii from isotope shift measurements of odd-proton nuclei. For Na isotopes, though precise spectroscopic measurements have existed for more than half a century, calculations by different methods offer a wide range of values. Here, we present accurate atomic calculations to reliably extract the Na charge radii. By combining experimental matter radii with nuclear coupled-cluster calculations based on nucleon-nucleon and three-nucleon forces, we constrain the parameters obtained from the atomic calculations. Therefore, this study guides atomic theory and highlights the importance of using accurate atomic and nuclear computations in our understanding of the size of light nuclei.
| Original language | English |
|---|---|
| Article number | L031305 |
| Journal | Physical Review C |
| Volume | 105 |
| Issue number | 3 |
| DOIs | |
| State | Published - Mar 2022 |
Funding
The atomic physics calculations were carried out using the Vikram-100 HPC cluster of Physical Research Laboratory, Ahmedabad, India. This work is supported by Department of Energy, Office of Science, Office of Nuclear Physics, under Awards No. DE-SC0021176, No. DE-SC0021179, No. DE-FG02-96ER40963, and No. DE-SC0018223. Computer time was provided by the Innovative and Novel Computational Impact on Theory and Experiment (INCITE) programme. This research used resources of the Oak Ridge Leadership Computing Facility located at Oak Ridge National Laboratory, which is supported by the Office of Science of the Department of Energy under Contract No. DE-AC05-00OR22725.