耐火花型微兆气体探测器的研制及性能
Development and Performance of spark-resistant Micromegas Detectors
摘要:
Muon ATLAS MicroMegas活动(MAMMA)专注于基于体块Micromegas技术的大面积μ子探测器的开发和测试。鉴于欧洲核子研究中心大型强子对撞机(sLHC)的光度升级,这些探测器是ATLAS μ子系统升级的候选者。它们将在一个设备中结合触发和精确测量能力。提出了一种在读出电极上方使用电阻条的新型保护方案。电阻Micromegas探测器的响应和火花特性在混合(中子和伽马)高辐射场,在X射线测试设施,强子束,并在ATLAS洞穴成功地进行了测试。最后,我们介绍了一个二维读出结构的电阻Micromegas和研究的探测器与X射线的响应。
英文摘要:
The Muon ATLAS MicroMegas Activity (MAMMA) focuses on the development and testing of large-area muon detectors based on the bulk-Micromegas technology. These detectors are candidates for the upgrade of the ATLAS Muon System in view of the luminosity upgrade of Large Hadron Collider at CERN (sLHC). They will combine trigger and precision measurement capability in a single device. A novel protection scheme using resistive strips above the readout electrode has been developed. The response and sparking properties of resistive Micromegas detectors were successfully tested in a mixed (neutron and gamma) high radiation field, in a X-ray test facility, in hadron beams, and in the ATLAS cavern. Finally, we introduced a 2-dimensional readout structure in the resistive Micromegas and studied the detector response with X-rays.
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