5- OCTUPOLE STATES IN ND-146, ND-148 AND SM-148 VIA PROTON-SCATTERING

被引：11
|
作者：
COTTLE, PD [1 ]
KEMPER, KW [1 ]
KENNEDY, MA [1 ]
FIFIELD, LK [1 ]
OPHEL, TR [1 ]
机构：
[1] AUSTRALIAN NATL UNIV, DEPT NUCL PHYS, CANBERRA, ACT 2601, AUSTRALIA
来源：
PHYSICAL REVIEW C | 1993年 / 47卷 / 03期
关键词：
D O I：
10.1103/PhysRevC.47.1048
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 cross sections for populating the 2(1)+, 3(1)-, and 5(1)- states of Nd-146,148 and Sm-148 have been determined by inelastic scattering of 26 MeV protons and analyzed using coupled-channels calculations. In these nuclei, the 5(1)- states are usually considered to be ''octupole coupled'' states arising from the coupling of the 2(1)+ and 3(1)- states. It is found that the differential cross sections for excitation of the 5(1)- states are somewhat larger than would be expected for octupole coupled structure. This excess strength can be explained in terms of small admixtures of two-quasiparticle excitations in the 5(1)- states.
引用
收藏
页码：1048 / 1052
页数：5
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