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

引用

页数：7

共 37 条

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