MONOPOLE STRENGTH IN NI-58

被引：11

作者：

YOUNGBLOOD, DH

LUI, YW

机构：

[1] Cyclotron Institute, Texas a and M University, College Station

来源：

PHYSICAL REVIEW C | 1991年 / 44卷 / 05期

关键词：

D O I：

10.1103/PhysRevC.44.1878

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：

Differential cross-section data from 0-degrees to 8-degrees for inelastic scattering of 129 MeV alpha particles exciting Ni-58 in the region of 14-22 MeV have been analyzed to explore the existence of monopole strength at approximately E(x) = 17 MeV. The angular distribution for a peak at E(x) = 17.0 MeV with GAMMA = 4.0 MeV is consistent with an E0 transition exhausting 19 +/- 10% of the E0 energy-weighted sum rule (EWSR). The angular distributions for peaks at E(x) = 16.1 and 20.4 MeV with GAMMA = 4.7 and 4.4 MeV, respectively, were fit by 52 +/- 10% of the E2 EWSR and a combination of E2 (6.9 +/- 2.0 EWSR) and E0 (2.9(-2.9)+2.1% EWSR).

引用

页码：1878 / 1881

页数：4

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