Improved crystal method for photon beam linear polarization measurement at high energies

被引：8
|
作者：
Apyan, AB
Avakian, RO
Darbinian, SM
Ispirian, KA
Taroian, SP
Mikkelsen, U
Uggerhoj, E
机构：
[1] Yerevan Phys Inst, Yerevan 375036, Armenia
[2] Univ Aarhus, Inst Storage Ring Facil, DK-8000 Aarhus C, Denmark
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2001年 / 173卷 / 1-2期
关键词：
D O I：
10.1016/S0168-583X(00)00173-7
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A method for photon linear polarization determination based on the measurement of the asymmetry of pairs produced by polarized photons in single crystals within the optimal intervals of pair particle energies is proposed. In difference to the well-known methods the asymmetry in this case is essentially larger. The optimal orientation of crystal is found, which provides the maximal values for analyzing power and figure of merit as well as minimal measurement time. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：149 / 153
页数：5
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