The Beam Profile Monitoring System for the IRRAD Proton Facility at the CERN PS East Area
The Beam Profile Monitoring System for the IRRAD Proton Facility at the CERN PS East Area
复制标题
CERN PS 东区 IRRAD 质子设施的束流轮廓监测系统
DOI：
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发表时间：
2016
期刊：
影响因子：
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通讯作者：
Joseph Warner
中科院分区：
文献类型：
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作者：
B. Gkotse;M. Glaser;E. Matli;F. Ravotti;K. Gan;H. Kagan;Shane Smith;Joseph Warner
在高能物理（HEP）实验中，设备经常需要承受一定的辐射水平。因此，必须对探测器和电子器件进行辐照，以确定其辐射耐受水平。为了进行这些辐照，CERN在东部地区的质子同步加速器（PS）加速器上建造了一个新的辐照设施。在这个名为IRRAD的设施中，使用了高强度的24 GeV/c质子束。在辐照过程中，有必要监测质子束的强度和横向轮廓。用于IRRAD的束流剖面监测器（BPM）使用39通道像素探测器来监测束流位置。这些像素检测器使用位于柔性电路上的薄箔铜垫构造。当质子通过铜垫时，它们感应出可测量的电流。为了测量该电流并确定通过薄箔铜探测器的质子的总通量，设计了一种新的数据采集系统以及一种新的数据库和在线显示系统。在其最终配置中，IRRAD设施利用了沿着照射束路径的四个BPM设备。在这项工作中，我们提出的BPM系统的设计和架构，它的性能在IRRAD质子束的调试过程中的一些结果，以及该系统的计划升级。
In High Energy Physics (HEP) experiments, devices are frequently required to withstand a certain radiation level. As a result, detectors and electronics must be irradiated to determine their level of radiation tolerance. To perform these irradiations, CERN built a new irradiation facility in the East Area at the Proton Synchrotron (PS) accelerator. At this facility, named IRRAD, a high-intensity 24 GeV/c proton beam is used. During irradiation, it is necessary to monitor the intensity and the transverse profile of the proton beam. The Beam Profile Monitor (BPM) for IRRAD uses 39-channel pixel detectors to monitor the beam position. These pixel detectors are constructed using thin foil copper pads positioned on a flex circuit. When protons pass through the copper pads, they induce a measurable current. To measure this current and determine the total flux of protons passing through the thin foil copper detectors, a new data acquisition system was designed as well as a new database and on-line display system. In its final configuration, the IRRAD facility exploits four BPM devices located along the path of the irradiation beam. In this work, we present the design and the architecture of the BPM system, some results on its performance during the commissioning of the IRRAD proton beam, as well as the planned upgrades for this system.