• Letter

Theoretical hyperfine splittings of Be2+7,9 ions for future studies of nuclear properties

Xiao-Qiu Qi, Pei-Pei Zhang, Zong-Chao Yan, Ting-Yun Shi, G. W. F. Drake, Ai-Xi Chen, and Zhen-Xiang Zhong
Phys. Rev. A 107, L010802 – Published 23 January 2023
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Abstract

The hyperfine structures of the 2S13 and 2PJ3 states of Be2+7 and Be2+9 are investigated within the framework of the nonrelativistic quantum electrodynamics, including relativistic and radiative corrections up to order mα6. The uncertainties of the calculated hyperfine splittings are on the order of tens of ppm, and for Be2+9 our results improve the previous theoretical and experimental values by at least two orders of magnitude. The improved sensitivity of the hyperfine splittings of Be2+7,9 to the nuclear Zemach radius and electric quadrupole moment opens the way to future measurements to extract the atomic physics values of these two nuclear properties to an accuracy of 5% or better.

  • Figure
  • Received 22 November 2022
  • Accepted 3 January 2023

DOI:https://doi.org/10.1103/PhysRevA.107.L010802

©2023 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Xiao-Qiu Qi1,2, Pei-Pei Zhang2,4,*, Zong-Chao Yan3,2, Ting-Yun Shi2, G. W. F. Drake4, Ai-Xi Chen1, and Zhen-Xiang Zhong2

  • 1Key Laboratory of Optical Field Manipulation of Zhejiang Province and Physics Department of Zhejiang Sci-Tech University, Hangzhou 310018, China
  • 2State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China
  • 3Department of Physics, University of New Brunswick, Fredericton, New Brunswick, Canada E3B 5A3
  • 4Canterbury College and Department of Physics, University of Windsor, Windsor, Ontario, Canada N9B 3P4

  • *zhangpei@wipm.ac.cn

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Issue

Vol. 107, Iss. 1 — January 2023

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