论文标题

向大区域,超低气体消费RPC检测器的进步

Advances Towards a Large-Area, Ultra-Low-Gas-Consumption RPC Detector

论文作者

Saraiva, João, Alemparte, Carlos, Belver, Daniel, Blanco, Alberto, Callón, Juan, Collazo, Jose, Iglesias, Alfredo, Lopes, Luís

论文摘要

大型电阻板腔室系统源于欧洲核研究组织的高能物理实验:ATLAS,CMS和ALICE,在那里部署了数百平方米的触发器和定时RPC。这些设备配备了复杂的气体系统,配备了重新循环和净化设备,这些设备需要6厘米$^{3} $/min/min/m $ $^{2} $的新鲜气体供应,从而造成物流,技术和财务问题。在这种交流中,我们提出了RPC构建的新概念,该概念使我们能够在超低气流状态下操作探测器。通过这种新方法,玻璃堆封装在由聚丙烯制成的紧密塑料盒中,该塑料盒具有出色的水蒸气阻塞性能,并可以很好地保护大气气体。

Large Resistive Plate Chamber systems have their roots in High Energy Physics experiments at the European Organization for Nuclear Research: ATLAS, CMS and ALICE, where hundreds of square meters of both trigger and timing RPCs have been deployed. These devices operate with complex gas systems, equipped with re-circulation and purification units, which require a fresh gas supply of the order of 6 cm$^{3}$/min/m$^{2}$, creating logistical, technical and financial problems. In this communication, we present a new concept in the construction of RPCs which allowed us to operate a detector at ultra-low gas flow regime. With this new approach, the glass stack is encapsulated in a tight plastic box made of polypropylene, which presents excellent water vapor blocking properties as well as a good protection against atmospheric gases.

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