Baryogenesis Below The Electroweak Scale

Details Baryogenesis Below The Electroweak Scale Baryogenesis Below The Electroweak Scale

1999-02-22

arxiv.org/abs/hep-ph/9902420v1

Phys.Rev.Lett. 83 (1999) 1502-1505

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, revtex, submitted to PRL

Scientific paper

10.1103/PhysRevLett.83.1502

We propose a new alternative for baryogenesis which resolves a number of the problems associated with GUT and electroweak scenarios, and which may allow baryogenesis even in modest extensions of the standard model. If the universe never reheats above the electroweak scale following inflation, GUT baryon production does not occur and at the same time thermal sphalerons, gravitinos and monopoles are not produced in abundance. Nevertheless, non-thermal production of sphaleron configurations via preheating could generate the observed baryon asymmetry of the universe.

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