Publication: Nuclear charge radius for He-3

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Title Nuclear charge radius for He-3
Authors/Editors* D. C. Morton, Q. X. Wu, G. W. F. Drake
Where published* Phys. Rev. A
How published* Journal
Year* 2006
Volume 73
Pages 034502 (3 pages)
An rms nuclear charge radius rc=1.9642(11) fm for 3He is derived from measurements of the 2 3S1-2 3P0 isotope shift combined with the best available data on the fine structure of 4He, the hyperfine structure of 3He, and an assumed rc=1.673(1) fm for 4He. The result removes a small discrepancy between some older spectroscopic determinations of rc for 3He from this transition and a more recent measurement.
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