Dark Matter Freeze-out and Freeze-in beyond Kinetic Equilibrium

In the standard approach to the determination of the dark matter (DM) thermal relic abundance, both from thermal freeze-out and freeze-in mechanisms, one takes into account only the zeroth moment of the Boltzmann equation, i.e., the equation for the evolution of the particle number density. In case...

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Bibliographic Details
Main Author: Andrzej Hryczuk
Format: Article
Language:English
Published: Andromeda Publishing and Academic Services 2023-02-01
Series:Letters in High Energy Physics
Subjects:
Online Access:http://journals.andromedapublisher.com/index.php/LHEP/article/view/344