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arXiv 1601.04849physics.acc-ph
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PSI环形回旋加速器等离子体的检测

Examination of the Plasma located in PSI Ring Cyclotron

Nathaniel Pogue, Andreas Adelmann, Markus Schneider, Lukas Stingelin

摘要:

在PSI环形回旋加速器的真空室中观察到了等离子体。这种电离的气体云可能是几个内部部件寿命缩短的主要原因。通过使用CCD相机的视觉确认,等离子体的产生与施加到平顶腔的电压直接相关。使用光谱仪将等离子体的强度和点火与平顶腔电压相关联,并确定等离子体的组成。本文报道了用光谱法分析等离子体。分析光谱仪数据以确定等离子体的组成,并且等离子体强度(光度)直接对应于平顶电压。结果表明,等离子体由与回旋加速器真空内部一致的元素组成

英文摘要:

A plasma has been observed inside the vacuum chamber of the PSI Ring Cyclotron. This ionized gas cloud maybe a substantial contributor to several interior components having reduced lifetimes. The plasma's generation has been directly linked to the voltage that is applied to the Flat Top Cavity through visual confirmation using CCD cameras. A spectrometer was used to correlate the plasma's intensity and ignition to the Flat Top Cavity voltage as well as to determine the composition of the plasma. This paper reports on the analysis of the plasma using spectroscopy. The spectrometer data was analyzed to determine the composition of the plasma and that the plasma intensity (luminosity) directly corresponds to the Flat Top voltage. The results showed that the plasma was comprised of elements consistent with the cyclotrons vacuum interior

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