Single step links of the superdeformed band in Pb-194: A measure of the absolute excitation energy, spin and parity of the superdeformed states

被引:131
|
作者
LopezMartens, A
Hannachi, F
Korichi, A
Schuck, C
Gueorguieva, E
Vieu, C
Haas, B
Lucas, R
Astier, A
Baldsiefen, G
Carpenter, M
deFrance, G
Duffait, R
Ducroux, L
LeCoz, Y
Finck, C
Gorgen, A
Hubel, H
Khoo, TL
Lauritsen, T
Meyer, M
Prevost, D
Redon, N
Rigollet, C
Savajols, H
SharpeySchafer, JF
Stezowski, O
Theisen, C
VanSeveren, U
Vivien, JP
Wilson, AN
机构
[1] INST PHYS NUCL,F-91406 ORSAY,FRANCE
[2] CTR RECH NUCL,IN2P3,CNRS,F-67037 STRASBOURG,FRANCE
[3] CEA SACLAY,DAPNIA SPHN,F-91191 GIF SUR YVETTE,FRANCE
[4] INST PHYS NUCL,IN2P3,CNRS,F-69622 VILLEURBANNE,FRANCE
[5] UNIV LYON 1,F-69622 VILLEURBANNE,FRANCE
[6] UNIV BONN,INST STRAHLEN & KERNPHYS,D-53115 BONN,GERMANY
[7] ARGONNE NATL LAB,ARGONNE,IL 60439
[8] NATL ACCELERATOR CTR,ZA-7131 FAURE,SOUTH AFRICA
[9] UNIV LIVERPOOL,OLIVER LODGE LAB,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLAND
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1016/0370-2693(96)00367-X
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The EUROGAM array has been used to investigate the decay out of the yrast superdeformed (SD) band in Pb-194. Six single step decays from the lowest observed SD slates to low-lying states at normal deformation (ND) have been identified. From this observation, the excitation energy of the SD band in Pb-194 is established at 4877 +/- 1.5 keV for the 6(+) SD state. The most probable spins and parities of all members of the SD band are also deduced assuming that the SD states have even spin and positive parity.
引用
收藏
页码:18 / 23
页数:6
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