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Isotopic Assignment of the α-Activity of Samarium

✍ Scribed by FEATHER, N.


Book ID
109557852
Publisher
Nature Publishing Group
Year
1948
Tongue
English
Weight
121 KB
Volume
162
Category
Article
ISSN
0028-0836

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Terrestrial samarium consists of seven isotopes. Some spectral lines from Sm have isotope shifts and hyperfine structures that will modify the profile of the absorption lines in the Fraunhofer spectrum. The photospheric spectrum around the Sm II lines at 4467 and 4519 A has been studied. Although it