Evidence for shears bands in 108Cd -: art. no. 011301

被引：40
|
作者：
Kelsall, NS [1 ]
Wadsworth, R
Asztalos, SJ
Busse, B
Chiara, CJ
Clark, RM
Deleplanque, MA
Diamond, RM
Fallon, P
Fossan, DB
Jenkins, DG
Juutinen, S
Krücken, R
Lane, GJ
Lee, IY
Macchiavelli, AO
Parry, CM
Schmid, GJ
Sears, JM
Smith, JF
Stephens, FS
Vetter, K
Frauendorf, SG
机构：
[1] Univ York, Dept Phys, York YO10 5DD, N Yorkshire, England
[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA
[3] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
[4] Univ Jyvaskyla, Dept Phys, SF-40100 Jyvaskyla, Finland
[5] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA
来源：
PHYSICAL REVIEW C | 2000年 / 61卷 / 01期
关键词：
D O I：
10.1103/PhysRevC.61.011301
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
High-spin states were populated in Cd-108 using the Zr-96(O-16,4n) reaction at a beam energy of 72 MeV. Two magnetic dipole bands have been observed, both of which contain weak E2 crossover transitions. Lifetimes for the stronger of the two bands were measured via the Doppler shift attenuation method. The configuration assignment for this band has been determined from comparison with tilted axis cranking model calculations to be pi[g(9/2)(-3)g(7/2)]x nu[h(11/2)(g(7/2)d(5/2))(1)] and pi[g(9/2)(-3)g(7/2)]x nu[h(11/2)(3)(g(7/2)d(5/2))(1)], before and after the nu h(11/2)(2) band crossing, respectively. The deduced B(M1) strengths decrease rapidly with increasing spin after the nu h(11/2)(2) alignment, which is a characteristic behavior of a shears band.
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页数：5
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