Baryogenesis

Details Baryogenesis Baryogenesis

2001-12-03

arxiv.org/abs/hep-ph/0112020v1

Pramana 54:471-485,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages; copy for the arXiv from proceedings of 13th DAE Symposium. on High Energy Physics, Punjab University

Scientific paper

Developments in understanding of Baryogenesis are reviewed. We start with early motivations and the proposals in the context of GUTs. Next, the importance of the sphaleron solution and its implications are discussed. Studies of the Standard Model reveal that the latter has a Higgs structure incompatible with existence of observed \B asymmetry. We then discuss a generic scenario for electroweak baryogenesis relying on bubble wall dynamics. We also summarise the status of the MSSM, and alternative scenarios utilising topological defects as the source of non-equilibrium behaviour and leptogenesis.

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