Sterile Neutrinos as Dark Matter Candidates

Abstract

In these brief lecture notes, we introduce sterile neutrinos as dark matter candidates. We discuss in particular their production via oscillations, their radiative decay, as well as possible observational signatures and constraints.

Comments: 10 pages, 2 figures; submitted to SciPost Physics Lecture Notes, Les Houches Summer School Series; v2: minor additions and rewording based on the referees' comments