Truncation of the Primordial Black Hole Mass Function at the Density Ceiling
Year: 2026
Type: article
Abstract: A formation threshold becomes an abundance only after it is folded through the statistics of the primordial perturbations. The resulting mass function, the distribution of collapsed fraction across horizon masses, is the object every observational bound actually constrains: lensing surveys, evaporation backgrounds, and merger rates each sample a different weighted integral of it. The headline computed values are: M min g = 2.596e+22; removed frac = 5.385e-01. All quantities are computed from the stated assumptions; nothing in the study is a measurement, and the full calculation is deposited for independent checking.
Author: Aldred, William Alexander
Language: English
Subfield: Astronomy and Astrophysics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7225775926
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