EXO-200探测器,第一部分:探测器设计和构造
The EXO-200 detector, part I: Detector design and construction
摘要:
EXO-200是一个实验,旨在寻找双β衰变的$^{136}$氙与单相,液体氙探测器。它使用110公斤氙的有效质量,在超低背景时间投影室中同位素136富集到80.6%,能够同时检测电离和闪烁。本文介绍了EXO-200探测器,特别注意围绕背景的减少,昂贵的同位素富集氙的有效利用,并在一个相对较大的体积的能量分辨率的优化设计的最具创新性的方面。
英文摘要:
EXO-200 is an experiment designed to search for double beta decay of $^{136}$Xe with a single-phase, liquid xenon detector. It uses an active mass of 110 kg of xenon enriched to 80.6% in the isotope 136 in an ultra-low background time projection chamber capable of simultaneous detection of ionization and scintillation. This paper describes the EXO-200 detector with particular attention to the most innovative aspects of the design that revolve around the reduction of backgrounds, the efficient use of the expensive isotopically enriched xenon, and the optimization of the energy resolution in a relatively large volume.
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