Differential positronium-formation cross sections for Ne, Ar, Kr, and Xe

被引：5

作者：

Fayer, S. E. ^{[1
,3
]}

Newson, D. M. ^{[1
]}

Brawley, S. J. ^{[1
]}

Loreti, A. ^{[1
]}

Kadokura, R. ^{[1
]}

Babij, T. J. ^{[2
]}

Lis, J. ^{[1
,4
]}

Shipman, M. ^{[1
]}

Laricchia, G. ^{[1
]}

机构：

[1] UCL, UCL Dept Phys & Astron, Gower St, London WC1E 6BT, England

[2] Australian Natl Univ, Res Sch Phys & Engn, Canberra, ACT 2600, Australia

[3] Northwestern Univ, Ctr Fundamental Phys, Evanston, IL 60208 USA

[4] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

来源：

PHYSICAL REVIEW A | 2019年 / 100卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

INTERMEDIATE-ENERGY POSITRONS; SCATTERING; COLLISIONS; ELECTRONS; HYDROGEN; IMPACT; BEAM;

D O I：

10.1103/PhysRevA.100.062709

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Experimental determinations of the absolute differential positronium-formation cross sections near 0 degrees for Ne, Ar, Kr, and Xe are presented and compared with theory. The degree of forward collimation, expressed by the ratios of the differential-to-integral positronium-formation cross sections, is also computed and compared with theories and other targets. Trends among targets and structures at low energies emerge when considered as a function of the reduced total energy.

引用

页数：4

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