从早期地震预报的可能应用看在环境空气中气体增益下工作的线型Rn探测器的性能
Performance of wire-type Rn detectors operated with gas gain in ambient air in view of its possible application to early earthquake predictions
摘要：
我们描述了一种基于线型计数器（单线和多线）的α粒子探测器，它在环境空气中以高气体增益（100-1000）工作。这些探测器的主要优点是：成本低，坚固耐用，能够在潮湿的空气中工作。多线探测器在1分钟的积分时间内实现的最小可探测放射性为140 Bq/m3，这与商业设备的特征相当。由于这些特征，该检测器适合于大规模应用，例如用于连续监测Rn或Po污染，或者如本文所讨论的，其在受地震影响的区域中的Rn计数器网络中的使用，以便在坚实的统计基础上验证Rn突然出现与即将发生的地震之间的预期相关性。
英文摘要：
We describe a detector of alpha particles based on wire type counters (single-wire and multiwire) operating in ambient air at high gas gains (100-1000). The main advantages of these detectors are: low cost, robustness and ability to operate in humid air. The minimum detectable activity achieved with the multiwire detector for an integration time of 1 min is 140 Bq per m3, which is comparable to that featured by commercial devices. Owing to such features the detector is suited for massive application, for example for continuous monitoring of Rn or Po contaminations or, as discussed in the paper, its use in a network of Rn counters in areas affected by earth-quakes in order to verify, on a solid statistical basis, the envisaged correlation between the sudden Rn appearance and a forthcoming earthquake.
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