The HERA Volume H- Source

被引：0
|
作者：
Peters, J [1 ]
机构：
[1] DESY, D-2000 Hamburg, Germany
来源：
2005 IEEE PARTICLE ACCELERATOR CONFERENCE (PAC), VOLS 1-4 | 2005年
关键词：
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The HERA RF-Volume Source is the only source that delivers routinely a H(-) current of 40 mA without Cs. It has been running for years without interruption for maintenance. The production mechanism for H(-) ions in this type of source is still under discussion. Laser photodetachment measurements have been done at DESY in order to measure the H(-) distribution in the source. The measurements were done also under extraction conditions at high voltage. The dependency of the quality of the H(-) beam on the frequency was investigated. A frequency range of 1.65-9 Mhz was scanned and the emittance was measured for several H(-) currents up to 40 mA. The results of our investigations make farther source improvements possible. Recently currents of 60 mA were reached. The design of the source is explained and alternatives are discussed.
引用
收藏
页码：3176 / 3178
页数：3
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