EXCITED BANDS IN THE DOUBLY-MAGIC SUPERDEFORMED DY-152 NUCLEUS - EVIDENCE FOR THE 1ST N=7 PROTON HYPER-INTRUDER ORBITAL

被引:62
作者
DAGNALL, PJ
BEAUSANG, CW
TWIN, PJ
BENTLEY, MA
BECK, FA
BYRSKI, T
CLARKE, S
CURIEN, D
DUCHENE, G
DEFRANCE, G
FORSYTH, PD
HAAS, B
LISLE, JC
PAUL, ES
SIMPSON, J
STYCZEN, J
VIVIEN, JP
WILSON, JN
ZUBER, K
机构
[1] STAFFORDSHIRE UNIV,SCH SCI,STOKE ON TRENT,ENGLAND
[2] UNIV LOUIS PASTEUR,IN2P3,CNRS,CTR RECH NUCL,F-67037 STRASBOURG,FRANCE
[3] INST NUCL PHYS,PL-3142 KRAKOW,POLAND
[4] UNIV MANCHESTER,SCHUSTER LAB,MANCHESTER M13 9PL,LANCS,ENGLAND
[5] SERC,DARESBURY LAB,WARRINGTON WA4 4AD,CHESHIRE,ENGLAND
关键词
D O I
10.1016/0370-2693(94)90356-5
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Five excited superdeformed bands have been observed in the doubly close-shell superdeformed nucleus 152Dy. Three of the new bands are interpreted in terms of single neutron excitations across the N = 86 shell gap. One of these bands appears to partly decay into the yrast superdeformed band. Another band involves a single proton excitation across the Z = 66 shell gap into the N = 7 hyper-intruder orbital. This is the first evidence of the influence of this deformation driving orbital on superdeformed structures in any mass region.
引用
收藏
页码:313 / 318
页数:6
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