Diffusion Enhances Spontaneous Electroweak Baryogenesis

A. E. Nelson; A. G. Cohen; D. B. Kaplan

Diffusion Enhances Spontaneous Electroweak Baryogenesis

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arxiv hep-ph/9406345 v1 pith:ABYNZCEH submitted 1994-06-20 hep-ph

A. G. Cohen , D. B. Kaplan , A. E. Nelson This is my paper · ORCID

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keywords baryogenesisbaryondensitydiffusionelectroweakphasespontaneousalpha

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abstract

We include the effects of diffusion in the electroweak spontaneous baryogenesis scenario and show that it can greatly enhance the resultant baryon density, by as much as a factor of $1/\alpha_w^4 \sim 10^6$ over previous estimates. Furthermore, the baryon density produced is rather insensitive to parameters characterizing the first order weak phase transition, such as the width and propagation velocity of the phase boundary.

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