液体电离探测器:UA-1合作

10th International Conference on Conduction and Breakdown in Dielectric Liquids Pub Date : 1990-09-10 DOI:10.1109/ICDL.1990.202872

A. Gonidec

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引用次数: 2

摘要

只提供摘要形式。充满液化惰性气体的电离室通常用作粒子探测器。最近对热液体的研究使得在欧洲核子研究中心建造一个装满四甲基戊烷的大型热量计成为可能。对于用于宇宙射线物理学的连续灵敏探测器来说，需要超高纯度的液体，以允许电子在不被杂质捕获的情况下长距离移动。电子寿命在低温液体中达到了几毫秒，在热液体中达到了几百微秒，以确保量热计的良好性能。

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Liquid ionization detectors: the UA-1 collaboration

Summary form only given. Ionization chambers filled with liquefied noble gas have been commonly used as particle detectors. Recent research on warm liquids has made possible the construction of a large-scale calorimeter at CERN, filled with tetramethylpentane. For continuously sensitive detectors used in cosmic-ray physics, ultrahigh purity of the liquid is required to allow the electrons to travel over large distances without being trapped by impurities. Electron lifetimes of a few milliseconds have been reached in cryogenic liquids, and lifetimes of a few hundred microseconds have been obtained in warm liquids to assure good performance of the calorimeter.<>

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10th International Conference on Conduction and Breakdown in Dielectric Liquids

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