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New spectral features from bound dark matter

Riccardo Catena (Institutionen för fysik, Subatomär fysik och plasmafysik (Chalmers)) ; C. Kouvaris
Physical Review D (2470-0010). Vol. 94 (2016), 2,
[Artikel, refereegranskad vetenskaplig]

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 that we predict can provide a complementary verification of dark matter discovery at experiments with positive signal but unclear background. The effect is generically expected, in that the ratio of bound over halo dark matter event rates at detectors is independent of the dark matter-nucleon cross section.



Denna post skapades 2016-09-16.
CPL Pubid: 241890

 

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Institutioner (Chalmers)

Institutionen för fysik, Subatomär fysik och plasmafysik (Chalmers)

Ämnesområden

Subatomär fysik

Chalmers infrastruktur