Production of intense positron beams at the VEPP-5 injection complex

被引：0
|
作者：
K. V. Astrelina
M. F. Blinov
T. A. Vsevolozhskaya
N. S. Dikanskii
F. A. Emanov
R. M. Lapik
P. V. Logachev
P. V. Martyshkin
A. V. Petrenko
T. V. Rybitskaya
A. N. Skrinskii
S. V. Shiyankov
T. A. Yaskina
机构：
[1] Russian Academy of Sciences,Budker Institute of Nuclear Physics, Siberian Branch
来源：
Journal of Experimental and Theoretical Physics | 2008年 / 106卷
关键词：
29.27.-a; 29.25.-t; 29.17.+w;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A source of positrons allowing 5 × 108 positrons accelerated to the energy of 70 MeV to be produced per pulse has been developed. The process of electron-positron pair production in an electromagnetic shower is used for production of positrons. The electromagnetic shower is generated in a tantalum target by a beam of 2 × 1010 electrons with energy 270 MeV. A high efficiency of positron collection (positron yield Y ≈ 0.1 GeV−1) is ensured by a unique design of the matching device.
引用
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页码：77 / 93
页数：16
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