Supersymmetric Higgs Bosons in Weak Boson Fusion

TL;DR

The complete supersymmetric next-to-leading-order corrections to the production of a light Higgs boson in weak-boson fusion are computed and turn out to be significantly smaller than expected and than their electroweak counterparts.

Abstract

We compute the complete supersymmetric next-to-leading order corrections to the production of a light Higgs boson in weak boson fusion. The size of the electroweak corrections is of similar order as the next-to-leading order corrections in the Standard Model. The supersymmetric QCD corrections turn out to be significantly smaller than their electroweak counterparts. These higher--order corrections are an important ingredient to a precision analysis of the (supersymmetric) Higgs sector at the LHC, either as a known correction factor or as a contribution to the theory error.

Figures (2)

• Figure 1: Left to right: Feynman diagrams contributing to strong vertex corrections, strong boxes, strong pentagons.
• Figure 2: Relative next-to-leading order corrections as a function of $m_{1/2}$ for varying and for fixed $\mu$. For the latter we show the strong corrections independently. The vertical lines indicate the chargino mass limit from LEP2 and the reference point SPS1b.