Projectile-dependent scintillation of a liquid phase argon-xenon mixture

被引：2
|
作者：
Himpsl, A. [1 ]
Dandl, T. [1 ]
Hagn, H. [1 ]
Neumeier, A. [1 ]
Potzel, W. [1 ]
Wieser, J. [1 ]
Ulrich, A. [1 ]
机构：
[1] Tech Univ Munich, Phys Dept, James Franck Str 1, D-85748 Garching, Germany
来源：
EPL | 2019年 / 128卷 / 06期
关键词：
ENERGY DEPOSITION; DETECTOR; YIELDS;
D O I：
10.1209/0295-5075/128/62002
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The ratio of the scintillation intensity in the near-infrared (NIR) and in the vacuum-ultraviolet (VUV) from liquid argon with a volumetric fraction of 10(-5) of xenon (10 ppm) was studied with ion-beam excitation. Hydrogen, lithium, carbon, sulfur, and iodine ions from the Munich Tandem accelerator were used for excitation. Average linear energy transfer (LET) values from 4.4 to 3500 MeV/mm were tested by the experiments. A variation of the NIR to VUV intensity ratios by a factor of similar to 20 was observed. This is a promising result for the development of liquid argon-xenon detectors with sole optical particle identification and background reduction in rare-event physics. The results are interpreted on the basis of energy deposition around the particle tracks. Copyright (C) EPLA, 2020
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页数：7
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