Superheavy elements - an early solar system upper limit for elements 107 to 110

Details Superheavy elements - an early solar system upper limit for elements 107 to 110 Superheavy elements - an early solar system upper limit for elements 107 to 110

Oct 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981sci...214..331n&link_type=abstract

Science, vol. 214, Oct. 16, 1981, p. 331-333.

Physics

4

Abundance, Heavy Elements, Iron Meteorites, Nuclear Fusion, Samarium Isotopes, Solar System, Fission, Half Life, Rare Earth Elements, Uranium 238

Scientific paper

The abundance of samarium-152 in the Santa Clara iron meteorite is found to be 108 x 10 to the 7th atoms per gram. This quantity, if attributed to fission of a superheavy element with atomic number 107 to 109, limits the amount of superheavy elements in the early solar system to 0.000017 times the abundance of uranium-238. For element 110, the limit is 0.000034.

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