publication . Article . Preprint . 2017

The Sun as a sub-GeV dark matter accelerator

Emken, Timon; Kouvaris, Chris; Nielsen, Niklas Grønlund;
Open Access English
  • Published: 19 Sep 2017 Journal: volume 97issn: 2470-0010, Copyright policy
  • Publisher: APS
Abstract
<p>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.</p>
Subjects
arxiv: Astrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Earth and Planetary AstrophysicsAstrophysics::Solar and Stellar Astrophysics
free text keywords: High Energy Physics - Phenomenology, High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics
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publication . Article . Preprint . 2017

The Sun as a sub-GeV dark matter accelerator

Emken, Timon; Kouvaris, Chris; Nielsen, Niklas Grønlund;