Discovery of a long-lived low-lying isomeric state in 80Ga

被引:32
作者
Cheal, B. [1 ]
Billowes, J. [1 ]
Bissell, M. L. [2 ]
Blaum, K. [3 ]
Charlwood, F. C. [1 ]
Flanagan, K. T. [4 ]
Forest, D. H. [5 ]
Fritzsche, S. [6 ,7 ]
Geppert, Ch. [6 ,8 ]
Jokinen, A. [9 ,10 ]
Kowalska, M. [3 ,11 ]
Krieger, A. [8 ]
Kraemer, J. [8 ]
Mane, E. [1 ]
Moore, I. D. [9 ,10 ]
Neugart, R. [8 ]
Neyens, G. [2 ]
Noertershaeuser, W. [6 ,8 ]
Rajabali, M. M. [2 ]
Schug, M. [3 ]
Stroke, H. H. [12 ]
Vingerhoets, P. [2 ]
Yordanov, D. T. [3 ]
Zakova, M. [8 ]
机构
[1] Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England
[2] Katholieke Univ Leuven, Inst Kern & Stralingsfys, B-3001 Louvain, Belgium
[3] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[4] CNRS, CSNSM, IN2P3, F-91405 Orsay, France
[5] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England
[6] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
[7] Univ Oulu, Dept Phys, FIN-90014 Oulu, Finland
[8] Johannes Gutenberg Univ Mainz, Inst Kernchem, D-55128 Mainz, Germany
[9] Univ Jyvaskyla, Dept Phys, FIN-40014 Jyvaskyla, Finland
[10] Univ Helsinki, Helsinki Inst Phys, FIN-00014 Helsinki, Finland
[11] CERN, Dept Phys, CH-1211 Geneva 23, Switzerland
[12] NYU, Dept Phys, New York, NY 10003 USA
来源
PHYSICAL REVIEW C | 2010年 / 82卷 / 05期
基金
英国科学技术设施理事会;
关键词
D O I
10.1103/PhysRevC.82.051302
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
Collinear laser spectroscopy was performed on the Ga-80 isotope at ISOLDE, CERN. A low-lying isomeric state with a half-life much greater than 200 ms was discovered. The nuclear spins and moments of the ground and isomeric states and the isomer shift are discussed. Probable spins and parities are assigned to both long-lived states (3(-) and 6(-)) deduced from a comparison of the measured moments to shell-model calculations.
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页数:5
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