Elsevier

Nuclear Physics A

Volume 378, Issue 3, 19 April 1982, Pages 549-558
Nuclear Physics A

New neutron-rich 179Yb and 181,182Lu isotopes produced in reactions of 9 MeV/u 136Xe ions on tantalum and tungsten targets

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Abstract

The new neutron-rich isotopes 179Yb and 181,182Lu were produced in multinucleon transfer reactions by irradiating natW/Ta targets with 9 MeV/u 136Xe ions, and identified by mass separation and decay spectroscopy. The measured half-lives of 179Yb, 181Lu and 182Lu are 8.1±0.8, 3.5±0.3 and 2.0±0.2 min, respectively. The properties of the excited states of 181,182Hf are discussed. The possibility of studying neutron-rich nuclei outside the classical fission-product regions is demonstrated.

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On leave of absence from Institute of Experimental Physics, University of Warsaw, 00-681 Warsaw, Poland.

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