Precise measurements of drift velocities in helium gas mixtures

Precise measurements of drift velocities in helium gas mixtures
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DOI：
10.1016/0168-9002(94)01144-3
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发表时间：
1995-02
期刊：
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment
影响因子：
1.4
通讯作者：
P. Bernardini;G. Fiore;R. Gerardi;F. Grancagnolo;U. Hagel;F. Monittola;V. Nassisi;C. Pinto;L. Pastore;M. Primavera
P. Bernardini;G. Fiore;R. Gerardi;F. Grancagnolo;U. Hagel;F. Monittola;V. Nassisi;C. Pinto;L. Pastore;M. Primavera
中科院分区：
物理与天体物理3区
文献类型：
--
作者：
P. Bernardini;G. Fiore;R. Gerardi;F. Grancagnolo;U. Hagel;F. Monittola;V. Nassisi;C. Pinto;L. Pastore;M. Primavera

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建立并运行了一套高精度测量气体中电子输运参数的装置。用两个紫外激光器和一个放射源在保持均匀电场的气体体积中诱导电离。漂移的电子被一根成比例的导线收集起来。给出了实验装置的详细情况以及在氦-异丁烷和氦-甲烷混合气体中漂移速度的一些测量结果。
A facility for high precision measurements of the transport parameters of electrons in gases has been built and operated. Two UV lasers and a radioactive source have been used to induce ionization in a gas volume where a uniform electric field is maintained. Drifting electrons are collected by a proportional wire. The details of the experimental apparatus are given together with some measurements of drift velocities in helium-isobutane and helium-methane gas mixtures.