RPC闭环系统中气体污染物及其与物料相互作用的研究
Study of gas contaminants and interaction with materials in RPC closed loop system
摘要：
大型强子对撞机（LHC）实验中的电阻板计数器（RPC）探测器使用气体再循环系统来处理大量的气体混合物体积和成本。本文对气体净化器、气体污染物和检测器性能进行了长期系统的研究。该研究旨在测量具有新的和使用过的滤芯材料的净化器的寿命以及气体系统中的污染物释放。在数据采集过程中，监测了几个RPC双间隙探测器的响应，以表征暗电流、过滤器状态和气体污染物之间的相关性。
英文摘要：
Resistive Plate Counters (RPC) detectors at the Large Hadron Collider (LHC) experiments use gas recirculation systems to cope with large gas mixture volumes and costs. In this paper a long-term systematic study about gas purifiers, gas contaminants and detector performance is discussed. The study aims at measuring the lifetime of purifiers with new and used cartridge material along with contaminants release in the gas system. During the data-taking the response of several RPC double-gap detectors was monitored in order to characterize the correlation between dark currents, filter status and gas contaminants.
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