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Effects of quantum statistics on relic density of Dark Radiation

25 Jul 2018, 18:20
20m
Room C

Room C

Speaker

Marek Olechowski (University of Warsaw (PL))

Description

The freeze-out of massless particles is investigated. The effects due to
quantum statistics, Fermi-Dirac or Bose-Einstein, of all particles
relevant for the process are analyzed. Solutions of appropriate Boltzmann
equation are compared with those obtained using some popular approximate
methods. As an application of general results the relic density
of dark radiation in Weinberg's Higgs portal model is discussed.

Parallel Session Dark Matter, Astroparticle Physics

Primary author

Marek Olechowski (University of Warsaw (PL))

Presentation materials