Choice of potential in the analysis of small-angle neutron scattering

被引：2
|
作者：
Dzheparov, F. S. [1 ]
Lvov, D. V. [1 ]
机构：
[1] Inst Theoret & Expt Phys, Moscow 117218, Russia
来源：
CRYSTALLOGRAPHY REPORTS | 2011年 / 56卷 / 07期
关键词：
Crystallography Report; Born Approximation; Small Angle Neutron Scattering; Eikonal Approximation; Scatterer Size;
D O I：
10.1134/S1063774511070108
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The small-angle scattering of thermal neutrons from large-scale inhomogeneities of a material is considered. It is shown that the neutron-optical potential must be taken as the inhomogeneity potential both in the Born and eikonal approximations. The neutron-optical potential is the Fermi pseudopotential averaged over a volume containing many nuclei but with linear sizes much smaller than the sizes of the inhomogeneities measured.
引用
收藏
页码：1100 / 1103
页数：4
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