The E166 Experiment: Undulator Based Production of Polarized Positrons

被引：0
|
作者：
Kolanoski, Hermann [1 ]
机构：
[1] Humboldt Univ, D-1086 Berlin, Germany
来源：
SPIN PHYSICS | 2009年 / 1149卷
关键词：
helical undulator; positron; polarization; LINEAR COLLIDER;
D O I：
暂无
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The E166 experiment at the Stanford Linear Accelerator Center (SLAC) has demonstrated a scheme for the production of polarized positrons which is suitable for implementation in a future Linear Collider. A multi-GeV electron beam passed through a helical undulator to generate multi-MeV, circularly polarized photons which were then converted in a thin target to produce positrons (and electrons) with longitudinal polarization above 80% at 6 MeV. The results are in agreement with GEANT4 simulations that include the dominant polarization-dependent interactions of electrons, positrons and photons in matter.
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页码：841 / 846
页数：6
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