Toward resolving the discrepancy in helium-3 and helium-4 nuclear charge radii

The discrepancy in the squared nuclear charge radius difference, ΔR^{2}, between ^{3}He and ^{4}He, as determined from electronic and muonic atom energy levels, presents an unresolved puzzle. This paper shows that accounting for off-diagonal hyperfine mixing effects can substantially reduce this dis...

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Bibliographic Details
Main Authors: Xiao-Qiu Qi, Pei-Pei Zhang, Zong-Chao Yan, Li-Yan Tang, Ai-Xi Chen, Ting-Yun Shi, Zhen-Xiang Zhong
Format: Article
Language:English
Published: American Physical Society 2025-04-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.7.L022020
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