Baryogenesis via Elementary Goldstone Higgs Relaxation

Helene Gertov, Lauren Pearce, Francesco Sannino, Louis Yang

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    Abstract

    We extend the relaxation mechanism to the Elementary Goldstone Higgs framework. Besides studying the allowed parameter space of the theory we add the minimal ingredients needed for the framework to be phenomenologically viable. The very nature of the extended Higgs sector allows to consider very flat scalar potential directions along which the relaxation mechanism can be implemented. This fact translates into wider regions of applicability of the relaxation mechanism when compared to the Standard Model Higgs case. Our results show that, if the electroweak scale is not fundamental but radiatively generated, it is possible to generate the observed matter-antimatter asymmetry via the relaxation mechanism.
    Original languageEnglish
    Article number115042
    JournalPhysical Review D
    Volume93
    Issue number11
    ISSN2470-0010
    DOIs
    Publication statusPublished - 30. Jun 2016

    Bibliographical note

    21 pages, 4 figures

    Keywords

    • hep-ph
    • astro-ph.CO

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