Decaying dark matter in halos of primordial black holes

Abstract We investigate photon signatures of general decaying dark-matter particles in halos of primordial black holes. We derive the halo-profile density and the total decay rate for these combined dark-matter scenarios. For the case of axion-like particles of masses below $$\mathcal {O}( 1 )\mathr...

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Bibliographic Details
Main Authors: Florian Kühnel, Tommy Ohlsson
Format: Article
Language:English
Published: SpringerOpen 2019-08-01
Series:European Physical Journal C: Particles and Fields
Online Access:http://link.springer.com/article/10.1140/epjc/s10052-019-7173-x