Abstract
THE nuclear spin of protoactinium was first determined by Schuler and Gollnow in 19341. They examined the spectrum of protoactinium-231 in the region 4300–5600 Å. and obtained the nuclear spin I = 3/2 from hyperfine splitting.
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References
Schuler, and Gollnow, Naturwiss., 22, 511 (1934).
Marrus, Nierenberg and Winocur, Nuclear Phys., 23, 1, 90 (1961).
Axe, Stapleton and Jeffries, Nuclear Phys. Abstr., 15, 3213 (1961).
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RICHARDS, E., RIDGELEY, A., ATHERTON, N. et al. Nuclear Spin of Protoactinium-231 from Hyperfine Splitting. Nature 192, 444 (1961). https://doi.org/10.1038/192444a0
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DOI: https://doi.org/10.1038/192444a0
