Very Heavy MSSM Higgs-Boson Production at the Linear Collider

Abstract

In the Minimal Supersymmetric Standard Model (MSSM) we present the corrections to the heavy neutral CP-even Higgs-boson production in the WW-fusion and Higgs-strahlung channel, e+e- -> \bar nu nu H, taking into account all O(α) corrections arising from loops of fermions and sfermions. While the H boson shows decoupling behavior at the tree-level, we find non-negligible loop corrections that can enhance the cross section considerably. At a center-of-mass energy of \sqrt{s} = 1000 GeV, masses of up to M_H <= 750 GeV are accessible at the LC in favorable regions of the MSSM parameter space.

6 pages, 7 figures, invited talk at the RADCOR 2002 - Loops & Legs 2002, Kloster Banz, Germany, Sept. 2002

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• Chargino and Neutralino Production at e+e- Colliders in the Complex MSSM: A Full One-Loop Analysis
• Higgs boson production and decay at $e^{+}{e}^{-}$ colliders as a probe of the Left-Right twin Higgs model
• Single Higgs boson production at $e^{+}{e}^{-}$ colliders in the Littlest Higgs Model with T-parity