小间隙高放大多丝室及其放电机制

The Thin Multiwire Chamber Operating in High Gain Mode and Its Discharge Mechanism

对以强猝灭气体工作的小间隙多丝室及其放电机制进行了研究，实验表明，因为工作在饱和模式区，这种室同时具有很高的气体放大和相当快的时间特性．文中探讨了放电机制，雪崩中空间电荷效应以及电离光子的产生和作用是重要的因素，而其中后一因素又受到强猝灭气体的抑制．

The research results of a thin multiwire chamber operating with strongly quenching gas and its discharge mechanism are presented in this paper. It is indicated by experiments that high gas gain and fast time response could be achieved simultaneously because of operating in the saturated mode. The effect of space charges and the emergence and action of ionizing photons are essential factors in its discharge mechanism, but the latter factor is restrained by the strongly quenching gas.