Constraints on the Number of Primordial Black Holes Due to Interaction with Dust

Abstract

Photons emitted by primordial black holes (PBHs) due to the Hawking effect are among the factors of interstellar dust heating. Based on the data on the temperature of dust, constraints on the fraction of $10^{15}\le M\le 10^{17}$~g.

arXiv comment5 pages, 3 figures

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• Constraints on primordial black holes from interstellar dust temperature in the Galaxy