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Attenuation of Cosmic-Ray Up-Scattered Dark Matter

by Helena Kolesova

Submission summary

Authors (as Contributors): Helena Kolesova
Submission information
Arxiv Link: (pdf)
Date submitted: 2022-11-15 10:04
Submitted by: Kolesova, Helena
Submitted to: SciPost Physics Proceedings
Proceedings issue: 14th International Conference on Identification of Dark Matter
Ontological classification
Academic field: Physics
  • Gravitation, Cosmology and Astroparticle Physics
  • High-Energy Physics - Phenomenology


GeV-scale dark matter particles with strong coupling to baryons evade the standard direct detection limits as they are efficiently stopped in the overburden and, consequently, are not able to reach the underground detectors. On the other hand, it has been shown that it is possible to probe this parameter space taking into account the flux of dark matter particles boosted by interactions with cosmic rays. We revisit these bounds paying particular attention to interactions of the relativistic dark matter particles in the Earth's crust. The effects of nuclear form factors, inelastic scattering and extra dependence of the cross section on transferred momentum (e.g., due to presence of light mediators) are studied and are found to be crucial for answering the question as to whether the window for GeV-scale strongly interacting dark matter is closed or not.

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Author comments upon resubmission

Based on useful comments of the referee, I made several modifications in Section 2.2.

List of changes

- I clarified that the appearance of different inelastic processes depends on momentum transferred in the scattering.
- I commented on the fact that the uncertainties in modeling the inelastic cross section don't affect the main conclusions of this paper.

Submission & Refereeing History

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Resubmission 2209.14600v2 on 15 November 2022

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