Construction And Timing System Of The Epos Beam System

M. Jungmann; R. Krause-Rehberg; A. Mueller; A. Krille; G. Brauer

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Construction And Timing System Of The Epos Beam System

机译：Epos光束系统的构建和计时系统

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The Forschungszentrum Dresden-Rrossendorf provides an intense pulsed 40 MeV electron beam with high brilliance and low emittance (ELBE). The pulse has a length of 1-10 ps and a repetition time of 77 ns, or in slow mode 616 ns. The EPOS system (ELBE Positron Source) generates by pair production on a tungsten converter and a tungsten moderator an intense pulsed beam of mono-energetic positrons. To transport the positrons to the laboratory (12 m) we constructed a magnetic beam guidance system with a longitudinal magnetic field of 75 G. In the laboratory outside the cave, the positron beam is chopped and bunched according to the time structure, because the very sharp bunch structure of the electron pulses is broadened for the positron beam due to transport and moderation.

机译：德累斯顿-罗森多夫工业大学（Forschungszentrum Dresden-Rrossendorf）提供了具有高亮度和低发射率（ELBE）的强脉冲40 MeV电子束。脉冲的长度为1-10 ps，重复时间为77 ns，或者在慢速模式下为616 ns。 EPOS系统（ELBE正电子源）通过在钨转换器和钨减速器上成对产生，产生单能量正电子的强脉冲束。为了将正电子运送到实验室（12 m），我们构建了具有75 G纵向磁场的磁束引导系统。在洞穴外部的实验室中，正电子束根据时间结构被切碎和成束，因为对于正电子束，由于传输和缓和，电子脉冲的锐束结构被加宽。

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来源
《Applied Surface Science》 |2008年第1期|p.42-45|共4页
作者
M. Jungmann; R. Krause-Rehberg; A. Mueller; A. Krille; G. Brauer;
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作者单位

Fachbereich Physik, Martin-Luther-Universitaet Halle-Wittenberg, D-06099 Halle, Germany;

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原文格式 PDF
正文语种 eng
中图分类应用物理学;
关键词
positron beam;

机译：正电子束;

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Construction And Timing System Of The Epos Beam System

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