Masses of neutron-rich Ni and Cu isotopes and the shell closure at Z = 28 , N = 40

被引：0
|
作者：
S. Rahaman
J. Hakala
V. -V. Elomaa
T. Eronen
U. Hager
A. Jokinen
A. Kankainen
I. D. Moore
H. Penttilä
S. Rinta-Antila
J. Rissanen
A. Saastamoinen
C. Weber
J. Äystö
机构：
[1] University of Jyväskylä,Department of Physics
来源：
The European Physical Journal A | 2007年 / 34卷
关键词：
21.10.Dr Binding energies and masses; 27.50.+e 59 ⩽ ; ⩽ 89 ; 27.60.+j 90 ⩽ ; ⩽ 149 ; 07.75.+h Mass spectrometers;
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摘要：
The Penning trap mass spectrometer JYFLTRAP, coupled to the Ion Guide Isotope Separator On-Line (IGISOL) facility at Jyväskylä, was employed to measure the atomic masses of neutron-rich 70-73Ni and 73, 75Cu isotopes with a typical accuracy less than 5keV. The mass of 73Ni was measured for the first time. Comparisons with the previous data are discussed. Two-neutron separation energies show a weak subshell closure at 6828Ni40 . A well established proton shell gap is observed at Z = 28 .
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页码：5 / 9
页数：4
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