New isotope 263Hs

被引：27

作者：

Dragojevic, I. ^{[1
,2
]}

Gregorich, K. E. ^{[2
]}

Duellmann, Ch. E. ^{[3
]}

Dvorak, J. ^{[2
]}

Ellison, P. A. ^{[1
,2
]}

Gates, J. M. ^{[1
,2
]}

Nelson, S. L. ^{[1
,2
]}

Stavsetra, L. ^{[2
]}

Nitsche, H. ^{[1
,2
]}

机构：

[1] Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA

[2] Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA

[3] Schwerionenforsch GmbH, GSI Helmholtzzentrum, Kernchem, D-64291 Darmstadt, Germany

来源：

PHYSICAL REVIEW C | 2009年 / 79卷 / 01期

关键词：

NUCLEAR PROPERTIES;

D O I：

10.1103/PhysRevC.79.011602

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

A new isotope of Hs was produced in the reaction Pb-208(Fe-56, n)(263)Hs at the 88-Inch Cyclotron of the Lawrence Berkeley National Laboratory. Six genetically correlated nuclear decay chains have been observed and assigned to the new isotope (263)Hs. The measured cross section was 21(-8.4)(+13) pb at 276.4 MeV lab frame center-of-target beam energy. (263)Hs decays with a half-life of 0.74(-0.21)(+0.48) ms by alpha-decay and the measured a- particle energies are 10.57 +/- 0.06, 10.72 +/- 0.06, and 10.89 +/- 0.06 MeV. The experimental cross section is compared to a theoretical prediction based on the Fusion by Diffusion model [W. J. Swiatecki et al., Phys. Rev. C 71, 014602 (2005)].

引用

页数：4

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