Positron scattering from atoms and molecules using a magnetized beam

被引：0

作者：

Sullivan, JP ^{[1
]}

Gilbert, SJ ^{[1
]}

Marler, JP ^{[1
]}

Greaves, RG ^{[1
]}

Buckman, SJ ^{[1
]}

Surko, CM ^{[1
]}

机构：

[1] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA

来源：

PHYSICAL REVIEW A | 2002年 / 66卷 / 04期

关键词：

D O I：

暂无

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The development of buffer-gas trapping and magnetized beam formation has provided positron beams with significantly improved energy resolution (DeltaEless than or equal to0.025 eV) compared to those available previously. Analysis techniques have been developed to take advantage of the fact that the beam is in a magnetic field of similar to0.1 T. This has enabled scattering experiments at lower energies and with significantly improved state selectivity for excitation experiments than had been possible previously. A detailed description of these techniques is presented. Data are presented for a variety of cross sections for scattering of positrons from atomic and molecular targets.

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页数：12

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