Making Baryons Below the Electroweak Scale

Details Making Baryons Below the Electroweak Scale Making Baryons Below the Electroweak Scale

2000-01-04

arxiv.org/abs/hep-ph/0001026v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, uses RevTeX, to appear in the proceedings of COSMO-99, International Workshop on Particle Physics and the Early Unive

Scientific paper

I describe a new way for baryogenesis to proceed, which evades many of the problems of GUT and electroweak scenarios. If the reheat temperature after inflation is below the electroweak scale, neither GUT baryon production nor traditional electroweak baryogenesis can occur. However, non-thermal production of sphaleron configurations via preheating could generate the observed baryon asymmetry of the universe. Such low scale baryon production is particularly attractive since it evades a number of strong constraints on reheating from gravitino and moduli production.

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