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Comparative aging studies on a single wire proportional chamber
Journal of Instrumentation ( IF 1.3 ) Pub Date : 2020-07-02 , DOI: 10.1088/1748-0221/15/07/c07008
D. Fiorina 1, 2
Affiliation  

In order to extend previous studies and test additional variables playing a role in the aging processes, a single wire proportional chamber was specially designed. In this contribution, the author will present the result of two types of tests performed on this single wire proportional chamber. During the first test, the single wire proportional chamber was irradiated with X-rays and alpha particles with the same hit rate until the same collected charge (1.4 mC/cm) was reached. Nevertheless the performance loss during the x-ray irradiation was larger, traces of polymers were found on the wire only in the case of alpha irradiation. The second test was performed irradiating the single wire proportional chamber with alphas and X-rays, but this time with the same anodic current i.e. very different hit rate. The irradiation continued until the wire chamber lost about half of the initial gas gain. In the case of alpha irradiation the integrated charge n...

中文翻译:

单线比例室的比较老化研究

为了扩展以前的研究并测试在老化过程中起作用的其他变量,专门设计了单线比例室。在本文中,作者将介绍在此单线比例腔上执行的两种测试的结果。在第一次测试期间,以相同的命中率对X射线和α粒子照射单线比例腔,直到达到相同的收集电荷(1.4 mC / cm)。然而,在X射线辐照期间的性能损失更大,仅在α辐照的情况下才在导线上发现痕量聚合物。第二次测试是用α和X射线照射单线比例腔,但这次是相同的阳极电流,即命中率非常不同。继续照射直到金属丝室损失了初始气体吸收量的一半左右。在阿尔法辐照的情况下,积分电荷...
更新日期:2020-07-03
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