SABRE: Dark matter annual modulation detection in the northern and southern hemispheres

被引：12
|
作者：
Tomei, C. [1 ]
机构：
[1] Ist Nazl Fis Nucl, Sez Roma, Piazzale Aldo Moro 2, I-00185 Rome, Italy
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2017年 / 845卷
基金：
澳大利亚研究理事会; 美国国家科学基金会;
关键词：
Dark Matter direct detection; Dark Matter annual modulation; NaI(Tl)crystals;
D O I：
10.1016/j.nima.2016.06.007
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
SABRE (Sodium-iodide with Active Background REjection) is a new Nal(Tl) experiment designed to search for galactic Dark Matter through the annual modulation signature. SABRE will consist of highly pure NaI(Tl) crystals operated in an active liquid scintillator veto. The SABRE experiment will follow a two-phase approach. In the first phase, one high-purity Nal(Tl) crystal will be operated at LNGS in an active liquid scintillator veto with the goal of demonstrating backgrounds low enough for a sensitive test of the DAMA/LIBRA result. An unprecedented radio-purity for both the Nal powder and the crystal growth will be needed to achieve this goal. The second phase will consist in building two high-purity NaI (Tl) detector arrays, with a total mass of about 50 kg each, located at LNGS and in the Stawell Gold Mine in Australia. The operation of twin full-scale experiments in both the northern and the southern hemispheres will strengthen the reliability of the result against any possible seasonal systematic effect. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：418 / 420
页数：3
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