PeV-scale dark matter as a thermal relic of a decoupled sector

In this letter, we consider a class of scenarios in which the dark matter is part of a heavy hidden sector that is thermally decoupled from the Standard Model in the early universe. The dark matter freezes-out by annihilating to a lighter, metastable state, whose subsequent abundance can naturally c...

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Bibliographic Details
Main Authors: Asher Berlin, Dan Hooper, Gordan Krnjaic
Format: Article
Language:English
Published: Elsevier 2016-09-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269316302908