First Coupled CH Power Cavity for the FAIR Proton Injector
First Coupled CH Power Cavity for the FAIR Proton Injector
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FAIR 质子注射器的首个耦合 CH 动力腔
DOI：
10.18429/jacow-ipac2014-thpme011
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发表时间：
2014
期刊：
影响因子：
--
通讯作者：
W. Vinzenz
中科院分区：
文献类型：
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作者：
R. Brodhage;G. Clemente;U. Ratzinger;W. Vinzenz
对于FAIR的冷却反质子研究计划，需要一个专用的70 MeV，70 mA质子注入器。该室温直线加速器的主要加速将由工作在325 MHz的六个CH腔提供。每个空腔将由2.5兆瓦速调管供电。对于11.5 MeV到24.2 MeV的第二个加速单元，已经建立了1：2比例的模型。低电平射频测量已被执行，以确定的主要参数，并证明耦合CH腔的概念。2012年，完成了第一台动力样机的组装和调试。在此之前，腔体是用初步的铝漂移管结构进行测试的，该结构用于精确的频率和场调谐。2013年，最终的漂移管结构已焊接在主油箱内，并进行了镀铜准备。本文将报告的主要调整和调试步骤，对新型DTL，它将显示在一个完全运行的CH质子腔镀铜前不久测量的最新结果。
For the research program with cooled antiprotons at FAIR a dedicated 70 MeV, 70 mA proton injector is required. The main acceleration of this room temperature linac will be provided by six CH cavities operated at 325 MHz. Each cavity will be powered by a 2.5 MW Klystron. For the second acceleration unit from 11.5 MeV to 24.2 MeV a 1:2 scaled model has been built. Low level RF measurements have been performed to determine the main parameters and to prove the concept of coupled CH cavities. In 2012, the assembly and tuning of the first power prototype was finished. Until then, the cavity was tested with a preliminary aluminum drift tube structure, which was used for precise frequency and field tuning. In 2013 the final drift tube structure has been welded inside the main tanks and the preparation for copper plating has taken place. This paper will report on the main tuning and commissioning steps towards that novel type of DTL and it will show the latest results measured on a fully operational CH proton cavity shortly before copper plating.