用于COMPASS实验的新型像素化Micromegas探测器
New pixelized Micromegas detector for the COMPASS experiment
摘要：
新的Micromegas（微网气体探测器）正在根据欧洲核子研究中心COMPASS合作计划的未来物理项目开发。与现有探测器相比，几项重大升级正在研究中：探测器的强子束亮度提高了5倍;探测束粒子（通量高达几百kHz/mm^2，比现有探测器大10倍），中央部分像素化读出;光和集成电子学;以及改进的鲁棒性。研究是用目前的探测器在光束中移动，两个第一个像素化的原型正在COMPASS的实际条件下用μ子和强子光束进行测试。我们在这里提出了这个新项目，并报告了两个系列的测试，与旧的探测器移动到光束和像素化的原型操作在真实的数据采集条件与μ子和强子束。
英文摘要：
New Micromegas (Micro-mesh gaseous detectors) are being developed in view of the future physics projects planned by the COMPASS collaboration at CERN. Several major upgrades compared to present detectors are being studied: detectors standing five times higher luminosity with hadron beams, detection of beam particles (flux up to a few hundred of kHz/mm^2, 10 times larger than for the present detectors) with pixelized read-out in the central part, light and integrated electronics, and improved robustness. Studies were done with the present detectors moved in the beam, and two first pixelized prototypes are being tested with muon and hadron beams in real conditions at COMPASS. We present here this new project and report on two series of tests, with old detectors moved into the beam and with pixelized prototypes operated in real data taking condition with both muon and hadron beams.
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