High-precision ab initio calculations of the spectrum of Lr$^{+}$
Abstract
The planned measurement of optical resonances in singly-ionised lawrencium (Z = 103) requires accurate theoretical predictions to narrow the search window. We present high-precision, ab initio calculations of the electronic spectra of Lr and its lighter homologue lutetium (Z = 71). We have employed the state-of-the-art relativistic Fock space coupled cluster approach and the AMBiT CI+MBPT code to calculate atomic energy levels, g-factors, and transition amplitudes and branching-ratios. Our calculations are in close agreement with experimentally measured energy levels and transition strengths for the homologue Lu , and are well-converged for Lr , where we expect a similar level of accuracy. These results present the first large-scale, systematic calculations of Lr and will serve to guide future experimental studies of this ion.
Keywords
Cite
@article{arxiv.1908.04578,
title = {High-precision ab initio calculations of the spectrum of Lr$^{+}$},
author = {E. V. Kahl and J. C. Berengut and M. Laatiaoui and E. Eliav and A. Borschevsky},
journal= {arXiv preprint arXiv:1908.04578},
year = {2019}
}
Comments
7 pages, 1 figure, 5 tables