Asymmetry dependence of proton correlations

被引：70

作者：

Charity, R. J. ^{[1
]}

Sobotka, L. G.

Dickhoff, W. H.

机构：

[1] Washington Univ, Dept Chem, St Louis, MO 63130 USA

[2] Washington Univ, Dept Phys, St Louis, MO 63130 USA

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 16期

关键词：

ELASTIC-SCATTERING; CROSS-SECTIONS; CA-40; POLARIZATIONS;

D O I：

10.1103/PhysRevLett.97.162503

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A dispersive-optical-model analysis of p+Ca-40 and p+Ca-48 interactions has been carried out. The real and imaginary potentials have been constrained from fits to elastic-scattering data, reaction cross sections, and level properties of valence hole states deduced from (e, e'p) data. The surface imaginary potential was found to be larger overall and the gap in this potential on either side of the Fermi energy was found to be smaller for the neutron-rich p+Ca-48 system. These results imply that protons with energies near the Fermi surface experience larger correlations with increasing asymmetry.

引用

页数：4

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