High-spin excitations in Ru nuclei near N=60

被引：16
|
作者：
Fotiades, N [1 ]
Cizewski, JA
McNabb, DP
Ding, KY
Archer, DE
Becker, JA
Bernstein, LA
Hauschild, K
Younes, W
Clark, RM
Fallon, P
Lee, IY
Macchiavelli, AO
MacLeod, RW
机构：
[1] Rutgers State Univ, Dept Phys & Astron, New Brunswick, NJ 08903 USA
[2] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[3] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA
来源：
PHYSICAL REVIEW C | 1998年 / 58卷 / 04期
关键词：
D O I：
10.1103/PhysRevC.58.1997
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：
The level structures of several Ru isotopes near A = 104 have been studied in the fission of the compound nucleus Pb-197, formed in the Mg-24 + Yb-173 reaction at 134.5 MeV. A sequence of five transitions, observed in coincidence with known transitions in the Sr-86 and Sr-87 complementary fragments, has been assigned to Ru-105. Comparison with the neighboring odd-mass Ru isotopes supports assignment of this sequence as built on the h(l1/2) excitation in Ru-105. Th, positive-parity band built on the 7/2(+) state of Ru-103 has been extended above the backbending induced by the alignment of two h(l1/2) neutrons. In addition, the ground-state bands of Ru-104 and Ru-106 have been extended to higher spins. [S0556-2813(98)04110-7].
引用
收藏
页码：1997 / 2001
页数：5
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