Hidden universality in the merger rate distribution in the primordial black hole scenario

It has been proposed that primordial black holes (PBHs) form binaries in the radiation dominated era. Once formed, some fraction of them may merge within the age of the universe by gravitational radiation reaction. We investigate the merger rate of the PBH binaries when the PBHs have a distribution...

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Bibliographic Details
Main Authors: Kocsis, B, Suyama, T, Tanaka, T, Yokoyama, S
Format: Journal article
Language:English
Published: IOP Publishing 2018