Review paper

On thermal gravitational contribution to particle production and dark matter

Volume: 774, Pages: 676 - 681
Published: Nov 1, 2017
Abstract
We investigate the particle production from thermal gravitational annihilation in the very early universe, which is an important contribution for particles that might not be in thermal equilibrium or/and might only have gravitational interaction, such as dark matter (DM). For particles with spin 0,1/2 and 1 we calculate the relevant cross sections through gravitational annihilation and give the analytic formulas with full mass-dependent terms....
Paper Details
Title
On thermal gravitational contribution to particle production and dark matter
Published Date
Nov 1, 2017
Volume
774
Pages
676 - 681
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