Alpha decay of neutron-deficient isotopes with <math><mtext>78 ⪕ Z ⩽ 83</mtext></math> including the new isotopes 183, 184Pb and 188Bi期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Alpha decay of neutron-deficient isotopes with $78 ⪕ Z ⩽ 83$ including the new isotopes ^{183, 184}Pb and ¹⁸⁸Bi

Authors:	U.J. Schrewe P. Tidemand-Petersson G.M. Gowdy R. Kirchner O. Klepper A. Płochocki W. Reisdorf E. Roeckl J.L. Wood J. Żylicz R. Fass D. Schardt

Affiliation:	2. Physikalisches Institut, Universität Göttingen, 3400 Göttingen, Fed. Rep. Germany;GSI Darmstadt, 6100 Darmstadt, Fed. Rep. Germany;2. Physikalisches Institut, Universität Giessen, 6300 Giessen, Fed. Rep. Germany;Institut für Kernphysik, Technische Hochschule Darmstadt, 6100 Darmstadt, Fed. Rep. Germany

Abstract:	Using on-line mass separation of evaporation residues from heavy-ion-induced fusion reactions, three new isotopes were identified by their alpha decay, E_α given in keV: ¹⁸³Pb, 6715(20), ¹⁸⁴Pb, 6632(10) and ¹⁸⁸Bi, 6820(20). Half-lives were determined for ¹⁸⁴Pb, 0.55(6)s, ¹⁸⁵Pb, 4.1(3)s and ¹⁸³Tl, 0.060(15) s. The alpha branching ratios were re-measured for ^182–184Hg and ^{178, 179}Pt, the results are discussed within the framework of alpha width systematics.

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