Why is the Higgs doublet light?

G. Dvali

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We consider a possible mechanism for the explanation of the doublet-triplet mass hierarchy in the grand unified theories. The Higgs doublet is automatically light since it is related by a certain "custodial" SU(2)C symmetry to another doublet which after GUT symmetry breaking becomes an unphysical Higgs. Custodial symmetry may or may not be a part of GUT symmetry. An explicit example of SUSY GUT is constructed.

    Original languageEnglish (US)
    Pages (from-to)59-65
    Number of pages7
    JournalPhysics Letters B
    Volume324
    Issue number1
    DOIs
    StatePublished - Mar 24 1994

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

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