Dark Matter Results from First 98.7 Days of Data from the PandaX-II Experiment.
Andi Tan,Mengjiao Xiao,Xiangyi Cui,Xun Chen,Yunhua Chen,Deqing Fang,Changbo Fu,Karl Giboni,Franco Giuliani,Haowei Gong,Xuyuan Guo,Ke Han,Shouyang Hu,Xingtao Huang,Xiangdong Ji,Yonglin Ju,Siao Lei,Shaoli Li,Xiaomei Li,Xinglong Li,Hao Liang,Qing Lin,Huaxuan Liu,Jianglai Liu,Wolfgang Lorenzon,Yu-Gang Ma,Yajun Mao,Kaixuan Ni,Xiangxiang Ren,Michael Schubnell,Man-Bin Shen,Fang Shi,Hongwei Wang,Ji-Min Wang,Meng Wang,Qiuhong Wang,Siguang Wang,Xuming Wang,Zhou Wang,Shiyong Wu,Xiang Xiao,Pengwei Xie,Binbin Yan,Yong Yang,Jianfeng Yue,Xionghui Zeng,Hongguang Zhang,Hua Zhang,Huanqiao Zhang,Tao Zhang,Li Zhao,Jing Zhou,Ning Zhou,Xiaopeng Zhou +53 more
TLDR
The weakly interacting massive particle (WIMP) dark matter search results are reported using the first physics-run data of the PandaX-II 500 kg liquid xenon dual-phase time-projection chamber, operating at the China JinPing underground laboratory.Abstract:
We report the weakly interacting massive particle (WIMP) dark matter search results using the first physics-run data of the PandaX-II 500 kg liquid xenon dual-phase time-projection chamber, operating at the China JinPing underground laboratory. No dark matter candidate is identified above background. In combination with the data set during the commissioning run, with a total exposure of 3.3×10^{4} kg day, the most stringent limit to the spin-independent interaction between the ordinary and WIMP dark matter is set for a range of dark matter mass between 5 and 1000 GeV/c^{2}. The best upper limit on the scattering cross section is found 2.5×10^{-46} cm^{2} for the WIMP mass 40 GeV/c^{2} at 90% confidence level.read more
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First Dark Matter Search Results from the XENON1T Experiment
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TL;DR: The first dark matter search results from XENON1T, a ∼2000-kg-target-mass dual-phase (liquid-gas) xenon time projection chamber in operation at the Laboratori Nazionali del Gran Sasso in Italy, are reported and a profile likelihood analysis shows that the data are consistent with the background-only hypothesis.
Journal ArticleDOI
The waning of the WIMP? A review of models, searches, and constraints
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TL;DR: A review of the WIMP paradigm with focus on a few models which can be probed at best by these facilities, and Collider and Indirect Detection will not be neglected when they represent a complementary probe.
Journal ArticleDOI
The dawn of FIMP Dark Matter : A review of models and constraints
TL;DR: In this article, the authors present an overview of scenarios where the observed dark matter (DM) abundance consists of Feebly Interacting Massive Particles (FIMPs), produced nonthermally by the so-called freeze-in mechanism.
Journal ArticleDOI
WIMP dark matter candidates and searches—current status and future prospects
TL;DR: The present experimental status of dark matter theory and experiment is overview, which includes current bounds and recent claims and hints of a possible signal in a wide range of experiments: direct detection in underground laboratories, gamma-ray, cosmic ray, x-rays, neutrino telescopes, and the LHC.
Journal ArticleDOI
micrOMEGAs5.0 : Freeze-in
TL;DR: It is found that, depending on the New Physics scenario under consideration, the effect of a proper treatment of statistics on the predicted dark matter abundance can range from a few percent up to a factor of two, or more.
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