Minimal Proton-Mass Dark Matter

arXiv:2606.20792 · hep-ph, astro-ph.CO, astro-ph.HE, astro-ph.SR · Submitted 2026-06-18 · Read on arXiv

Majed Khalaf, Eric Kuflik, Alessandro Lenoci, Hitoshi Murayama, Edoardo Vitagliano

hep-ph, astro-ph.CO, astro-ph.HE, astro-ph.SR

Submitted: 2026-06-18

Comments: letter 8 pages 1 figure and supplemental material 19 pages, 4 figures

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

Terminology

• Abundance — 28× in this paper · explained in 1 episode
• Core — 13× in this paper · explained in 2 episodes
• Standard Model — 8× in this paper
• Reheating — 5× in this paper · explained in 2 episodes
• Degeneracy — 4× in this paper · explained in 3 episodes
• Boltzmann Equation — 2× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• European Research Council — 1× in this paper
• Fine-Tuning — 1× in this paper · explained in 5 episodes

Sources

• Planck 2018 results. VI. Cosmological parameters
• Freeze-In Production of FIMP Dark Matter
• UltraViolet Freeze-in
• Improved search for invisible modes of nucleon decay in water with the SNO+ detector
• Improved lattice computation of proton decay matrix elements
• Right-handed sneutrino dark matter in $\mathbf{U(1)'}$ seesaw models and its signatures at the LHC
• Phases of Cannibal Dark Matter
• Co-Decaying Dark Matter
• Enabling Forbidden Dark Matter
• WIMPs with GUTs: Dark Matter Coannihilation with a Lighter Species
• Heavy Thermal Relics from Zombie Collisions
• Roadmap to Thermal Dark Matter Beyond the WIMP Unitarity Bound
• Solar fusion cross sections II: the pp chain and CNO cycles
• A new Generation of Standard Solar Models
• Solar neutrino limit on axions and keV-mass bosons
• New axion and hidden photon constraints from a solar data global fit
• The Y-Type Brown Dwarfs: Estimates of Mass and Age from New Astrometry, Homogenized Photometry and Near-Infrared Spectroscopy
• The Wide-field Infrared Survey Explorer (WISE): Mission Description and Initial On-orbit Performance
• Temperature constraints on the coldest brown dwarf known WISE 0855-0714
• The Luminosities of the Coldest Brown Dwarfs

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• Enhanced Dark Matter Quantum Sensing via Phase-Space Geometric Interferometry
• Axions as Dark Matter, Dark Energy, and Dark Radiation