The Sun as a sub-GeV dark matter accelerator

Timon Emken, Chris Kouvaris, Niklas Grønlund Nielsen

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Abstrakt

Sub-GeV halo dark matter that enters the Sun can potentially scatter off hot solar nuclei and be ejected much faster than its incoming velocity. We derive an expression for the rate and velocity distribution of these reflected particles, taking into account the Sun's temperature and opacity. We further demonstrate that future direct-detection experiments could use these energetic reflected particles to probe light dark matter in parameter space that cannot be accessed via ordinary halo dark matter.

OriginalsprogEngelsk
Artikelnummer063007
TidsskriftPhysical Review D
Vol/bind97
Udgave nummer6
Antal sider5
ISSN2470-0010
DOI
StatusUdgivet - 2018

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