Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-11-08
Eur.Phys.J.C39:465-481,2005
Physics
High Energy Physics
High Energy Physics - Phenomenology
34 pages, 18 figures, most minor modifications, version to appear in Eur. Phys. Jour. C
Scientific paper
10.1140/epjc/s2005-02112-6
We evaluate O(alpha_b alpha_s) corrections in the Higgs boson sector of the CP-conserving MSSM, generalising the known result in the literature to arbitrary values of tan beta. A detailed analysis of the renormalisation in the bottom/scalar bottom sector is performed. Concerning the lightest MSSM Higgs boson mass, we find relatively small corrections for positive mu, while for mu < 0 the genuine two-loop O(alpha_b alpha_s) corrections can amount up to 3 GeV. Different renormalisation schemes are applied and numerically compared. It is demonstrated that some care has to be taken in choosing an appropriate renormalisation prescription in order to avoid artificially large corrections. The residual dependence on the renormalisation scale is investigated, and the remaining theoretical uncertainties from unknown higher-order corrections in this sector are discussed for different regions of the MSSM parameter space.
Heinemeyer Sven
Hollik Wolfgang
Rzehak Heidi
Weiglein Georg
No associations
LandOfFree
High-Precision Predictions for the MSSM Higgs Sector at O(alpha_b alpha_s) does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with High-Precision Predictions for the MSSM Higgs Sector at O(alpha_b alpha_s), we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High-Precision Predictions for the MSSM Higgs Sector at O(alpha_b alpha_s) will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-109346