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

页码：1100 / 1103

页数：4

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