Drift velocity of free electrons in liquid argon

被引：56

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.

引用

页码：288 / 294

页数：7

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