Constraining Dark Photon Dark Matter with Radio Silence from Soliton Mergers around Supermassive Black Holes

arXiv:2509.08932 · hep-ph, astro-ph.CO, astro-ph.HE · Submitted 2025-09-10 · Read on arXiv

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

Submitted: 2025-09-10

Updated: 2026-09-08

Comments: 42 pages, 11 figures, 3 tables; references and appendices added, updated towards version published in Journal of Cosmology and Astroparticle Physics (JCAP)

Journal ref: JCAP 07 (2026) 104

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

Terminology

• Velocity Dispersion — 10× in this paper · explained in 2 episodes
• Microlensing — 4× in this paper · explained in 2 episodes
• Reheating — 3× in this paper · explained in 2 episodes
• Abundance — 2× in this paper · explained in 1 episode
• Core — 2× in this paper · explained in 2 episodes
• AGN — 1× in this paper · explained in 1 episode
• Aperture — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• CHIME and the Green Bank Telescope — 1× in this paper
• Canadian Hydrogen Intensity Mapping Experiment — 1× in this paper
• Effective Field Theory (EFT) — 1× in this paper · explained in 2 episodes
• Population Synthesis — 1× in this paper · explained in 2 episodes

Sources

• A History of Dark Matter
• Status of Dark Matter in the Universe
• Dark Matter
• Constraints on MACHO Dark Matter from Compact Stellar Systems in Ultra-Faint Dwarf Galaxies
• Not so fuzzy: excluding FDM with sizes and stellar kinematics of ultra-faint dwarf galaxies
• A lower bound on dark matter mass
• Dark Sectors and New, Light, Weakly-Coupled Particles
• New Horizons: Scalar and Vector Ultralight Dark Matter
• The landscape of QCD axion models
• String Axiverse
• Axions and Axion-Like Particles
• Ultra-Light Dark Matter
• A force beyond the Standard Model - Status of the quest for hidden photons
• The Dark Photon
• Dark photon limits: a handbook
• Vector Dark Matter from Inflationary Fluctuations
• Vector dark matter production at the end of inflation
• Completely Dark Photons from Gravitational Particle Production During Inflation
• Vector dark matter, inflation and non-minimal couplings with gravity
• Relic Abundance of Dark Photon Dark Matter

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• Axions as Dark Matter, Dark Energy, and Dark Radiation