Results from the LUX dark matter experiment

Results from the LUX dark matter experiment
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LUX 暗物质实验的结果

DOI:
10.1016/j.nima.2014.11.033
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发表时间:
2015
期刊:
Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子:
--
通讯作者:
Horn M
Horn M
中科院分区:
--
文献类型:
--
作者:
Horn M

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LUX(大型地下氙)实验旨在通过与氙核的碰撞直接探测暗物质粒子。370公斤的两相液体氙时间投影室同时测量靶中相互作用产生的闪烁和电离。这两个信号的比率提供了很好的区分潜在的核反冲和电子反冲信号,以搜索WIMP-核子散射。LUX探测器自2013年2月起在Sanford Underground Research Facility(Lead,南达科他州,美国)运行。2013年底,第一个结果被提出,设定了世界上最严格的WIMP-核子散射截面的限制,在广泛的WIMP质量范围内。2014年开始的300天运行将进一步提高灵敏度,新的校准技术将减少WIMP信号搜索的系统性。
The LUX (Large Underground Xenon) experiment aims at the direct detection of dark matter particles via their collisions with xenon nuclei. The 370 kg two-phase liquid xenon time projection chamber measures simultaneously the scintillation and ionization from interactions in the target. The ratio of these two signals provides very good discrimination between potential nuclear recoil and electronic recoil signals to search for WIMP-nucleon scattering. The LUX detector operates at the Sanford Underground Research Facility (Lead, South Dakota, USA) since February 2013. First results were presented in late 2013 setting the world׳s most stringent limits on WIMP-nucleon scattering cross-sections over a wide range of WIMP masses. A 300 day run beginning in 2014 will further improve the sensitivity and new calibration techniques will reduce systematics for the WIMP signal search.
DOI: 10.1016/j.physletb.2012.01.064
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影响因子: 4.4
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