Baryogenesis from a Modulus Dominated Universe

Gordon Kane; Martin Wolfgang Winkler

Baryogenesis from a Modulus Dominated Universe

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arxiv 1909.04705 v1 pith:VWMJCM3Q submitted 2019-09-10 hep-ph astro-ph.COhep-th

Gordon Kane , Martin Wolfgang Winkler This is my paper

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keywords asymmetrymodulusbaryondecayamountsbaryogenesiscompactificationsdescribe

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String/ M-theory compactifications predict the existence of a modulus field with a mass of 100-10000 TeV. Its decay at MeV-temperatures generates large amounts of entropy and washes out any previously produced baryon asymmetry. We describe how the baryon asymmetry can be (re)generated by the modulus decay. The mechanism relates the smallness of the asymmetry to the hierarchy between the Planck- and the Fermi-scale.

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