SO(10) GUT Baryogenesis

Details SO(10) GUT Baryogenesis SO(10) GUT Baryogenesis

2007-11-17

arxiv.org/abs/0711.2727v2

Phys.Lett.B663:80-82,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages. Revised version. Accepted by PLB

Scientific paper

10.1016/j.physletb.2008.04.001

Baryogenesis, through the decays of heavy bosons, was considered to be one of the major successes of the grand unified theories (GUTs). It was then realized that the sphaleron processes erased any baryon asymmetry from the GUT-baryogenesis at a later stage. In this paper, we discuss the idea of resurrecting GUT-baryogenesis in a large class of SO(10) GUTs. Our analysis shows that fast lepton number violating but baryon number conserving processes can partially wash out the GUT-baryogenesis produced lepton and/or baryon asymmetry associated with or without the sphaleron and/or Yukawa interactions.

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