Ground state properties of manganese isotopes across the N=28 shell closure

被引:51
作者
Charlwood, F. C. [1 ]
Billowes, J. [1 ]
Campbell, P. [1 ]
Cheal, B. [1 ]
Eronen, T. [2 ]
Forest, D. H. [3 ]
Fritzsche, S. [4 ,5 ]
Honma, M. [6 ]
Jokinen, A. [2 ]
Moore, I. D. [2 ]
Penttila, H. [2 ]
Powis, R. [3 ]
Saastamoinen, A. [2 ]
Tungate, G. [3 ]
Aysto, J. [2 ]
机构
[1] Univ Manchester, Manchester M13 9PL, Lancs, England
[2] Univ Jyvaskyla, Dept Phys, Jyvaskyla, Finland
[3] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England
[4] Univ Oulu, Dept Phys Sci, Oulu, Finland
[5] GSI Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany
[6] Univ Aizu, Ctr Math Sci, Fukushima 9658580, Japan
基金
芬兰科学院; 英国科学技术设施理事会;
关键词
Isotope shift; Nuclear charge radius; Electromagnetic moments; NUCLEAR-CHARGE RADII; LASER SPECTROSCOPY; NEUTRON; IGISOL; MASSES; MODEL;
D O I
10.1016/j.physletb.2010.05.060
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The first optical study of the N = 28 shell closure in manganese is reported. Mean-square charge radii and quadrupole moments, obtained for ground and isomeric states in (50-56)Mn, are extracted using new calculations of atomic factors. The charge radii show a well defined shell closure at the magic number. The behaviour of the charge radii is strikingly different to that of the neutron separation energies where no shell effect can be observed. The nuclear parameters can be successfully described by large scale shell model calculations using the GXPF1A interaction. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:346 / 351
页数:6
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