The window on heavy charged dark matter was never open

2025/10/19 by Daniele Perri, Perri, Daniele, Glennys R. Farrar +1
Computer Science · Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Computational Physics and Python Applications #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Astrophysical Phenomena (astro-ph.HE) #High Energy Physics - Phenomenology (hep-ph)

paper · pdf · doi:10.48550/arxiv.2510.17026

openalex publication_date 2025/10/19 · openalex created_date 2025/10/22 · openalex updated_date 2026/07/28

Abstract

There is a claim in the literature that charged dark matter particles in the mass range 100 (q_{\rm X}/e)²~TeV ≤ m_{\rm X} ≤ 10⁸ (q_{\rm X}/e)~TeV are allowed, based on arguing that heavy charged particles cannot reach the Earth from outside the magnetized region of the Milky Way (Chuzhoy-Kolb, 2009). We point out that this claim fails for physical models for the Galactic magnetic field. We explicitly confirm our argument by simulating with the software CRPropa the trajectories of heavy charged dark matter in models of the Galactic magnetic field.

Citations

• Revisiting the implications of Liouville's theorem to the anisotropy of cosmic rays

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