New Spectral Features from Bound Dark Matter

Riccardo Catena, Chris Kouvaris

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Abstrakt

We demonstrate that dark matter particles gravitationally bound to the Earth can induce a characteristic nuclear recoil signal at low energies in direct detection experiments. The new spectral feature we predict can provide the ultimate smoking gun for dark matter discovery for experiments with positive signal but unclear background. The new feature is universal, in that the ratio of bound over halo dark matter event rates at detectors is independent of the dark matter-nucleon cross section.
OriginalsprogEngelsk
Artikelnummer023527
TidsskriftPhysical Review D
Vol/bind94
Udgave nummer2
Sider (fra-til)1-5
ISSN2470-0010
DOI
StatusUdgivet - 2016

Bibliografisk note

5 pages, 1 figure

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