非电负性气体比例放电机理的研究
Investigation of the proportional discharge mechanism in nonelectronegative gases
摘要：
本文研究了带有前置放大间隙的正比室中的信号波形，并从正比室中引出电子成分。结果表明，Penning混合物，在比例放电除了初级雪崩也有二次雪崩的亚稳态和非亚稳态Penning效应所造成的尾巴。对于不同的气体混合物，二次雪崩引起的信号的持续时间等于~ n*10微秒（n = 1 - 10），二次雪崩的总电荷与一次雪崩相当或大于一次雪崩。
英文摘要：
A shape of the signals in proportional chamber with preamplification gap and electron component extraction from proportional discharge has been investigated. It was shown for Penning mixtures that in proportional discharge besides the primary avalanches there is also the tail of secondary avalanches caused by metastable and nonmetastable Penning effects. For different mixtures of gases the duration of the signals caused by secondary avalanches are equal to ~ n*10 microseconds (n = 1 - 10), the total charge of secondary avalanches is comparable or larger than in primary avalanches.
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