Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-09-29
Phys.Rev.D81:015001,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
References added. Mistake in Eq. 14 corrected, conclusions unchanged. Typos corrected. Version accepted for publication in PRD
Scientific paper
10.1103/PhysRevD.81.015001
We consider supersymmetric models that include particles beyond the Minimal Supersymmetric Standard Model (MSSM) with masses in the TeV range, and that couple significantly to the MSSM Higgs sector. We perform a model-independent analysis of the spectrum and couplings of the MSSM Higgs fields, based on an effective theory of the MSSM degrees of freedom. The tree-level mass of the lightest CP-even state can easily be above the LEP bound of 114 GeV, thus allowing for a relatively light spectrum of superpartners, restricted only by direct searches. The Higgs spectrum and couplings can be significantly modified compared to the MSSM ones, often allowing for interesting new decay modes. We also observe that the gluon fusion production cross section of the SM-like Higgs can be enhanced with respect to both the Standard Model and the MSSM.
Carena Marcela
Kong Kyoungchul
Ponton Eduardo
Zurita Jose
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