Spectator processes and baryogenesis

2001/04/19 by W. Buchmüller, M. Plümacher · 5 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Particle physics theoretical and experimental studies #hep-ph

paper · pdf · doi:10.1016/s0370-2693(01)00614-1

published as Phys.Lett. B511 (2001) 74-76 · 6 pages, 1 figure

arxiv created 2001/04/19 · openalex publication_date 2001/06/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Spectator processes which are in thermal equilibrium during the period of baryogenesis influence the final baryon asymmetry. We study this effect quantitatively for thermal leptogenesis where we find a suppression by a factor O(1).

Cited by

• Electroweak-scale resonant leptogenesis
• Cosmic microwave background, matter–antimatter asymmetry and neutrino masses
• Particle abundance in a thermal plasma: Quantum kinetics versus Boltzmann equation
• Leptogenesis in the Universe
• Theory of neutrinos: a white paper