News of the WeekNuclear Physics

Discovery of 'Missing' Element 117 Hints at Stable Isotopes to Come

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Science  16 Apr 2010:
Vol. 328, Issue 5976, pp. 290-291
DOI: 10.1126/science.328.5976.290

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Summary

Russia strikes again. In the past decade, the Joint Institute for Nuclear Research in Dubna, Russia, has bagged new elements 113, 114, 115, 116, and 118 by firing up a fantastically intense beam of neutron-heavy calcium-48 isotopes and blasting away at the periodic table's radioactive actinide elements. Last week in Physical Review Letters, a multi-institution team there announced that it had filled a gap by making element 117 as well.