PandaX： a liquid xenon dark matter experiment at CJPL

PandaX is a large liquid-xenon detector experiment usable for direct dark-matter detection and 136Xe double-beta decay search. The central vessel was designed to accommodate a staged target volume increase from initially 120 kg （stage I） to 0.5 t （stage II） and eventually to a multi-ton scale. The e...

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Veröffentlicht in:	Science China. Physics, mechanics & astronomy mechanics & astronomy, 2014-08, Vol.57 (8), p.1476-1494
Hauptverfasser:	Cao, XiGuang, Chen, Xun, Chen, YunHua, Cui, XiangYi, Fang, DeQing, Fu, ChangBo, Giboni, Karl L., Gong, HaoWei, Guo, GuoDong, He, Ming, Hu, Jie, Huang, XingTao, Ji, XiangDong, Ju, YongLin, Li, ShaoLi, Lin, Qing, Liu, HuaXuan, Liu, JiangLai, Liu, Xiang, Lorenzon, Wolfgang, Ma, YuGang, Mao, YaJun, Ni, KaiXuan, Pushkin, Kirill, Ren, XiangXiang, Schubnell, Michael, Shen, ManBing, Shi, YuJie, Stephenson, Scott, Tan, AnDi, Tarlé, Greg, Wang, HongWei, Wang, JiMing, Wang, Meng, Wang, XuMing, Wang, Zhou, Wei, YueHuan, Wu, ShiYong, Xiao, MengJiao, Xiao, Xiang, Xie, PengWei, Ye, Tao, You, YingHui, Zen, XiongHui, Zhang, Hua, Zhang, Tao, Zhao, HaiYing, Zhao, Li, Zhou, XiaoPeng, Zhu, ZhongHua
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Beta decay China Classical and Continuum Physics Commissioning Dark matter Decay Ionization Liquids Observations and Techniques Physics Physics and Astronomy Scintillation Staged Xenon 双β衰变地下实验室探测器暗物质检测器氙设计闪烁
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Beschreibung
Zusammenfassung:	PandaX is a large liquid-xenon detector experiment usable for direct dark-matter detection and 136Xe double-beta decay search. The central vessel was designed to accommodate a staged target volume increase from initially 120 kg （stage I） to 0.5 t （stage II） and eventually to a multi-ton scale. The experiment is located in the Jinping Deep-Underground Laboratory in Sichuan, China. The detector operates in dual-phase mode, allowing detection of both prompt scintillation, and ionization charge through proportional scintillation. In this paper a detailed description of the stage I detector design and performance as well as results established during the commissioning phase are presented.
ISSN:	1674-7348 1869-1927
DOI:	10.1007/s11433-014-5521-2