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THE LOW-ENERGY BE-7(P, GAMMA)B-8 CROSS-SECTION FROM AN R-MATRIX APPROACH

被引：58
作者：
BARKER, FC
机构：
[1] Department of Theoretical Physics, Research School of Physical Sciences and Engineering, Australian National University, Canberra
来源：
NUCLEAR PHYSICS A | 1995年 / 588卷 / 03期
关键词：
D O I：
10.1016/0375-9474(95)00021-R
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：
Calculation of the low-energy Be-7(p, gamma)B-8 cross section, using R-matrix formulae with parameter values chosen to fit experimental data for the mirror reaction Li-7(n, gamma)Li-8, leads to a 'low' value of the S factor, S-17(0) = 17 +/- 3 eV . b. This value agrees with those obtained from potential-model calculations, from calculations of nuclear-vertex constants, and from a Coulomb-dissociation experiment, but is less than the values obtained from cluster-model calculations.
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页码：693 / 705
页数：13
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