English

Ground state hyperfine splitting in the Be$^+$ ion

Atomic Physics 2015-06-18 v2

Abstract

Relativistic and QED corrections are calculated for the hyperfine splitting (hfs) in the 2S1/22S_{1/2} ground state of 9^{9}Be+^+ ions with an exact account for electronic correlations. The achieved accuracy is sufficient to determine the finite nuclear size effects from the comparison to the experimental hfs value. The obtained results establish the ground to determine the neutron halo in 11^{11}Be.

Keywords

Cite

@article{arxiv.1402.4573,
  title  = {Ground state hyperfine splitting in the Be$^+$ ion},
  author = {Mariusz Puchalski and Krzysztof Pachucki},
  journal= {arXiv preprint arXiv:1402.4573},
  year   = {2015}
}

Comments

7 pages

R2 v1 2026-06-22T03:11:12.995Z