Results from a Search for Dark Matter in the Complete LUX Exposure.

By D. Akerib, S. Alsum, H. Araújo, X. Bai, A. J. Bailey, J. Balajthy, P. Beltrame, E. Bernard, A. Bernstein, T. P. Biesiadzinski and 91 more. Physical Review Letters, 2016

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We report constraints on spin-independent weakly interacting massive particle (WIMP)-nucleon scattering using a 3.35×10^{4} kg day exposure of the Large Underground Xenon (LUX) experiment. A dual-phase xenon time projection chamber with 250 kg of active mass is operated at the Sanford Underground Research Facility under Lead, South Dakota (USA). With roughly fourfold improvement in sensitivity for high WIMP masses relative to our previous results, this search yields no evidence of WIMP nuclear recoils. At a WIMP mass of 50 GeV c^{-2}, WIMP-nucleon spin-independent cross sections above 2.2×10^{-46} cm^{2} are excluded at the 90% confidence level. When combined with the previously reported LUX exposure, this exclusion strengthens to 1.1×10^{-46} cm^{2} at 50 GeV c^{-2}.

Subfields: Atomic and Molecular Physics, and Optics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/3a10c049adf35ae3af3211466a3862c286d3f54f

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Citations in the corpus

Search for invisible decays of a Higgs boson produced through vector boson fusion in proton-proton collisions at $\sqrt{s} =$ 13 TeV (2018, methodology): “Limits are computed as a function of mχ and are compared to those from the XENON1T [79], LUX [80], PandaX-II [81], CDMSlite [82], CRESST-II [83], and CDEX-10 [84] experiments.”
Fundamental composite dynamics: A review (2020, background): “5, where the solid black line corresponds to the current strongest bound from XENON1T [162] (similar bounds were obtained by LUX [164] and PandaX-II [165]).”
Dark Matter's secret liaisons: phenomenology of a dark U(1) sector with bound states (2016, methodology): “he relevant parameter space of the model considering the most sensitive detectors for spinindependent DM-nucleus scattering. More specically, for M DM & 3 GeV we use the latest Lux WS2014-16 run [121] to set limits, while for M DM . 3 GeV we derive bounds from the Cresst-II experiment [122]. We ”
Dark matter direct-detection experiments (2015, methodology): “TPC with an active mass of 250kg and realised their rst results in 2013[353]. Since then, the experiment has continued taking data and the latest results from a combined analysis were released in 2016[224]. With a total exposure of 3:35 104 kgday, the non-observation of a signal above the expected b”
Migdal effect in dark matter direct detection experiments (2017, methodology): “To date, for example, liquid xenon detectors such as LUX [11], PandaX-II [12], and XENON1T [13] have put stringent exclusion limits on the spin-independent WIMP-nucleon recoil cross section.”
Supernova 1987A constraints on sub-GeV dark sectors, millicharged particles, the QCD axion, and an axion-like particle (2018, methodology): “ constraints from [81–83], which are based on XENON10 [84], XENON100 [85], and DarkSide-50 data [83], while for the latter, we use the combined bounds from the CRESST [86,87], SuperCDMS [88], and LUX [89] collaborations. In order to put these bounds onto the versus m0parameter space, we follow the d”