LARGE-ANGLE ELASTIC-SCATTERING OF ELECTRONS FROM AR+

被引：30

作者：

GREENWOOD, JB

WILLIAMS, ID

MCGUINNESS, P

机构：

[1] Queen's University of Belfast

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.75.1062

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Absolute angular differential cross sections have been experimentally determined for large angle scattering of a free electron by a positive ion for the first time. Data are presented for elastic scattering over the range 120 degrees-170 degrees from Ar+ at 3.3 eV. Interference effects are observed due to the competing short-range and Coulomb interactions. The importance of interference and correlation effects is demonstrated, and the consequent sensitivity of such measurements as a test of theoretical approximations is discussed.

引用

页码：1062 / 1065

页数：4

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