Integral equation calculations for the photodisintegration process He-4(gamma,n)He-3

被引：24

作者：

Ellerkmann, G ^{[1
]}

Sandhas, W ^{[1
]}

Sofianos, SA ^{[1
]}

Fiedeldey, H ^{[1
]}

机构：

[1] UNIV S AFRICA, DEPT PHYS, PRETORIA 0001, SOUTH AFRICA

来源：

PHYSICAL REVIEW C | 1996年 / 53卷 / 06期

关键词：

D O I：

10.1103/PhysRevC.53.2638

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：

Results obtained by solving Alt-Grassberger-Sandhas (AGS)-type integral equations for the photodisintegration of He-4, employing the Malfliet-Tjon potential, are compared with the latest experimental data. Good agreement between theory and experiment is found in electric dipole approximation for the total cross section, but the differential cross sections differ at higher energies. This discrepancy is reduced, but not fully removed by taking into account the electric quadrupole contributions. In order to get some feeling for the sensitivity to the underlying potential, we also show calculations based on the Yamaguchi potential. They differ from the Malfliet-Tjon results in a way which resembles the trends known from triton photodisintegration.

引用

页码：2638 / 2644

页数：7

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