论文标题

Delight:直接搜索实验,可与超富浮雕的氦

DELight: a Direct search Experiment for Light dark matter with superfluid helium

论文作者

von Krosigk, Belina, Eitel, Klaus, Enss, Christian, Ferber, Torben, Gastaldo, Loredana, Kahlhoefer, Felix, Kempf, Sebastian, Klute, Markus, Lindemann, Sebastian, Schumann, Marc, Toschi, Francesco, Valerius, Kathrin

论文摘要

为了达到探测前所未有的低暗物质质量所需的超低检测阈值,目标材料替代方案和新颖的探测器设计至关重要。这样的目标材料是超流体$^4 $ HE,它有可能探测Sub-Gev质量的未知无知的轻质暗物质参数空间。新的``轻暗物质的直接搜索实验'',Deleast,将使用超流体氦作为主动目标,并用磁性微量含量计。它的设计目的是达到对群众的敏感性,远低于100 \,在暗物质 - 核散射相互作用中。

To reach ultra-low detection thresholds necessary to probe unprecedentedly low Dark Matter masses, target material alternatives and novel detector designs are essential. One such target material is superfluid $^4$He which has the potential to probe so far uncharted light Dark Matter parameter space at sub-GeV masses. The new ``Direct search Experiment for Light dark matter'', DELight, will be using superfluid helium as active target, instrumented with magnetic micro-calorimeters. It is being designed to reach sensitivity to masses well below 100\,MeV in Dark Matter-nucleus scattering interactions.

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