Protecting the primordial baryon asymmetry from erasure by sphalerons

James M. Cline; Kimmo Kainulainen; Keith A. Olive

doi:10.1103/PhysRevD.49.6394

Protecting the primordial baryon asymmetry from erasure by sphalerons

James M. Cline, Kimmo Kainulainen, Keith A. Olive

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

76 Scopus citations

Abstract

If the baryon asymmetry of the Universe was created at the GUT scale, sphalerons together with exotic sources of B-L violation could have erased it, unless the latter satisfy stringent bounds. We elaborate on how the small Yukawa coupling of the electron drastically weakens previous estimates of these bounds.

Original language	English (US)
Pages (from-to)	6394-6409
Number of pages	16
Journal	Physical Review D
Volume	49
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevD.49.6394
State	Published - 1994

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title = "Protecting the primordial baryon asymmetry from erasure by sphalerons",

abstract = "If the baryon asymmetry of the Universe was created at the GUT scale, sphalerons together with exotic sources of B-L violation could have erased it, unless the latter satisfy stringent bounds. We elaborate on how the small Yukawa coupling of the electron drastically weakens previous estimates of these bounds.",

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Protecting the primordial baryon asymmetry from erasure by sphalerons

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