Decay of the new isotope167W |
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Authors: | F. Meissner W. -D. Schmidt-Ott V. Freystein T. Hild E. Runte H. Salewski R. Michaelsen |
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Affiliation: | 1. II. Physikalisches Institut der Universit?t, G?ttingen, Federal Republic of Germany 2. Hahn-Meitner-Institut, Berlin, Germany
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Abstract: | Theα- and β-decay of the new isotope167W were observed in the reaction of 191 MeV36Ar with136Ba using a helium-jet and a fast tape-transport system. The identification is based on coincidences with tantalum X-rays and excitation function measurements. The measured half-life is 19.9(5) s. A decay scheme comprising 12 levels was constructed from γγ-coincidences. The β-decay is discussed within experimental and calculated level systematics. Alpha-rays with energy 4.55(2) MeV were assigned to167W. |
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