Non-linear realizations of SU (2) × U (1) in the MSSM. Model independent analysis and g-2 of W bosons

Sergio Ferrara, Antonio Masiero, Massimo Porrati

    Research output: Contribution to journalArticle

    Abstract

    We perform a model-independent analysis of the spontaneously broken phase of an SU (2) × U (1) supersymmetric gauge theory, by using a non-linear parametrization of the Goldstone sector of the theory. The non-linear variables correspond to an SL(2, C) superfield matrix in terms of which a non-linear lagrangian can be constructed, and the pattern of supersymmetry breaking investigated. The supersymmetric order parameter is the VEV of the neutral pseudo-Goldstone boson. Some applications of this technique are considered, in relation to the minimal supersymmetric standard model, and to determine the g-2 of the W-bosons in the limit of large top mass.

    Original languageEnglish (US)
    Pages (from-to)358-364
    Number of pages7
    JournalPhysics Letters B
    Volume301
    Issue number4
    DOIs
    StatePublished - Mar 11 1993

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

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