ISOTOPE SHIFTS AND NUCLEAR-CHARGE RADII OF KRYPTON ISOTOPES ACROSS THE N = 50 SHELL CLOSURE

被引：29

作者：

SCHUESSLER, HA ^{[1
]}

ALOUSI, A ^{[1
]}

EVANS, RM ^{[1
]}

BRIEGER, M ^{[1
]}

BUCHINGER, F ^{[1
]}

LI, YF ^{[1
]}

机构：

[1] MCGILL UNIV,FOSTER RADIAT LAB,MONTREAL H3A 2B2,QUEBEC,CANADA

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 65卷 / 11期

关键词：

33;

D O I：

10.1103/PhysRevLett.65.1332

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Optical isotope shifts have been measured in the 5s[3/2]20-5p[3/2]2 transition in atomic krypton (=760 nm) using collinear-fast-beam laser spectroscopy. Isotope shifts were determined for the short-lived neutron-rich isotopes Kr88 and Kr90, as well as for all the stable isotopes between A=78 and 86, thus extending the data in this element, for the first time, beyond the N=50 shell closure. The deduced changes in the nuclear charge radii show a decrease of the charge radius with increasing neutron number below N=50, and a much more rapid increase above it. A preliminary interpretation of the results is given in terms of the droplet model. © 1990 The American Physical Society.

引用

页码：1332 / 1335

页数：4

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