Closing the window on ∼GeV Dark Matter with moderate (∼μb) interaction with nucleons

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Published 4 December 2017 © 2017 IOP Publishing Ltd and Sissa Medialab
, , Citation M. Shafi Mahdawi and Glennys R. Farrar JCAP12(2017)004 DOI 10.1088/1475-7516/2017/12/004

1475-7516/2017/12/004

Abstract

We improve limits on the spin-independent scattering cross section of Dark Matter on nucleons, for DM in the 300 MeV–100 GeV mass range, based on the DAMIC and XQC experiments. Our results close the window which previously existed in 1–8 GeV mass range, for a DM-nucleon cross section of order ∼ μb, assuming the standard velocity distribution.

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