Hunting Thermal Relics in the DESI DR1 Ly alpha Forest

arXiv:2609.22581 · astro-ph.CO, hep-ph · Submitted 2026-09-18 · Read on arXiv

astro-ph.CO, hep-ph

Submitted: 2026-09-18

Updated: 2026-09-18

Comments: 25 pages, 4 figures, 3 tables. Comments welcome. The likelihood is publicly available at https://github.com/emanusilvas/Lyman-alpha-1D-likelihood

Code: https://github.com/emanusilvas/Lyman-alpha-1D-likelihood

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Abundance — 1× in this paper · explained in 1 episode
• Decoupling — 1× in this paper · explained in 2 episodes
• alpha — 1× in this paper · explained in 1 episode

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