Primordial Black Hole Abundance from Reionization

arXiv:2602.06794 · astro-ph.CO, hep-ph · Submitted 2026-02-06 · Read on arXiv

astro-ph.CO, hep-ph

Submitted: 2026-02-06

Updated: 2026-10-19

Comments: 11 pages, 5 figures

DOI: 10.1016/j.dark.2026.102487

Code: https://github.com/ChengHanyu/CLASS

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

Terminology

• Abundance — 3× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Primordial Black Holes (PBHs) — 1× in this paper · explained in 11 episodes

Sources

• High Proper Motion Stars in the Vicinity of Sgr A*: Evidence for a Supermassive Black Hole at the Center of Our Galaxy
• Measuring Distance and Properties of the Milky Way's Central Supermassive Black Hole with Stellar Orbits
• Monitoring stellar orbits around the Massive Black Hole in the Galactic Center
• Observation of Gravitational Waves from a Binary Black Hole Merger
• GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs
• First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
• First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way
• How Massive Single Stars End their Life
• Density Perturbations and Black Hole Formation in Hybrid Inflation
• Primordial black holes with an accurate QCD equation of state
• Primordial black holes from spectator field bubbles
• Primordial black holes from long-range scalar forces and scalar radiative cooling
• Black hole formation in the Friedmann universe: Formulation and computation in numerical relativity
• Dynamics of Primordial Black Hole Formation
• Computations of primordial black hole formation
• Peak statistics for the primordial black hole abundance
• The power spectrum on small scales: Robust constraints and comparing PBH methodologies
• New cosmological constraints on primordial black holes
• Primordial Black Holes as Dark Matter
• Constraints on Primordial Black Holes

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