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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-30912

# Beneke, M; Ruiz-Femenía, P; Spinrath, M (2009). Higgs couplings in the MSSM at large tan β. Journal of High Energy Physics, (1):031.

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## Abstract

We consider tan β-enhanced quantum effects in the minimal supersymmetric standard model (MSSM) including those from the Higgs sector. To this end, we match the MSSM to an effective two-Higgs doublet model (2HDM), assuming that all SUSY particles are heavy, and calculate the coefficients of the operators that vanish or are suppressed in the MSSM at tree-level. Our result clarifies the dependence of the large-tan β resummation on the renormalization convention for tan β, and provides analytic expressions for the Yukawa and trilinear Higgs interactions. The numerical effect is analyzed by means of a parameter scan, and we find that the Higgs-sector effects, where present, are typically larger than those from the wrong-Higgs'' Yukawa couplings in the 2HDM.

## Citations

5 citations in Web of Science®
5 citations in Scopus®

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Other titles: Higgs couplings in the MSSM at large tan(beta) Journal Article, refereed, original work 07 Faculty of Science > Institute for Computational Science 530 Physics Higgs Physics; Supersymmetric Standard Model English 2009 22 Feb 2010 11:14 23 Nov 2012 13:06 Institute of Physics Publishing 1029-8479 10.1088/1126-6708/2009/01/031 http://arxiv.org/abs/0810.3768