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The isotope ratio of europium in the solar atmosphere

✍ Scribed by Öivind Hauge


Publisher
Springer
Year
1970
Tongue
English
Weight
244 KB
Volume
11
Category
Article
ISSN
0038-0938

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✦ Synopsis


Europium has two stable isotopes, Eu 151 and Eu 153. The high isotope shift and the different hyperfine splitting of the energy levels of the two isotopes make it possible to study the isotope ratio by an analysis of the spectral line profiles. From five spectral lines the solar isotope ratio is found to be equal to the terrestrial ratio within an error limit of about 10 %.


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