Drift velocity of free electrons in liquid argon

被引：55
作者：
Walkowiak, W [1 ]
机构：
[1] Univ Mainz, Inst Phys, D-55099 Mainz, Germany
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2000年 / 449卷 / 1-2期
关键词：
liquid argon; electron drift velocity; calorimetry;
D O I：
10.1016/S0168-9002(99)01301-7
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A measurement of the drift velocity of free electrons in liquid argon has been performed. Free electrons have been produced by photoelectric effect using laser light in a so-called "laser chamber". The results on the drift velocity ti, are given as a function of the electric field strength in the range 0.5 kV/cm less than or equal to/E/ less than or equal to 12.6 kV/cm and the temperature in the range 87 K less than or equal to T less than or equal to 94 K. A global parametrization of nu(d)(/E/, T) has been fitted to the data. A temperature dependence of the electron drift velocity is observed, with a mean value of Delta nu(d)/(Delta T nu(d)) = ( - 1.72 + 0.08)%/K in the range of 87-94 K. (C) 2000 Elsevier Science B.V. All rights reserved.
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收藏
页码：288 / 294
页数：7
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