DELight: a Direct search Experiment for Light dark matter with superfluid helium
SciPost Physics Proceedings(2022)
摘要
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 ^4He 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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