Super- and Hyperdeformed Isomeric States and Long-Lived Superheavy Elements

Details Super- and Hyperdeformed Isomeric States and Long-Lived Superheavy Elements Super- and Hyperdeformed Isomeric States and Long-Lived Superheavy Elements

2004-05-23

arxiv.org/abs/nucl-ex/0405020v1

Physics

Nuclear Physics

Nuclear Experiment

4 pages. Contribution to the 2nd Int. Conf. on the Chemistry and Physics of the Transactinide Elements (TAN 03) Napa Californi

Scientific paper

The recent discoveries of the long-lived high spin super- and hyperdeformed isomeric states and their unusual radioactive decay properties are described. Based on their existence a consistent interpretation is given to the production of the long-lived superheavy element with Z = 112, via secondary reactions in CERN W targets, and to the low energy and very enhanced alpha-particle groups seen in various actinide fractions separated from the same W target. In addition, consistent interpretations are suggested for previously unexplained phenomena seen in nature. These are the Po halos, the low-energy enhanced 4.5 MeV alpha-particle group proposed to be due to an isotope of a superheavy element with Z = 108, and the giant halos.

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