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Towards high-precision predictions for the MSSM Higgs sector.

Weiglein, G. and Degrassi, G. and Heinemeyer, S. and Hollik, W. and Slavich, P. (2003) 'Towards high-precision predictions for the MSSM Higgs sector.', European physical journal C., 28 (1). pp. 133-143.


The status of the evaluation of the MSSM Higgs sector is reviewed. The phenomenological impact of recently obtained corrections is discussed. In particular it is shown that the upper bound on mh within the MSSM is shifted upwards. Consequently, lower limits on tanb obtained by confronting the upper bound as function of tanb with the lower bound on mh from Higgs searches are significantly weakened. Furthermore, th e region in the MA-tanb-plane where the coupling of the lightest Higgs boson to down-type fermions is suppressed is modified. The presently not calculated higher-order corrections to the Higgs-boson mass matrix are estimated to shift the mass of the lightest Higgs boson by up to 3 GeV.

Item Type:Article
Keywords:Feynman-diagrammatic approach, Boson masses, Radiative-corrections, Fermilab tevatron, Quark mass, Supersymmetry, Unification, Phenomenology, Couplings, Spectrum.
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Record Created:08 May 2008
Last Modified:09 Aug 2011 11:52

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