Authors: D Kunz L Mihaila N Zerf
Publish Date: 2014/12/19
Volume: 2014, Issue: 12, Pages: 136-
Abstract
In this paper we propose a method to compute the running topYukawa coupling in supersymmetric models with heavy mass spectrum based on the “running” and “decoupling” procedure In order to enable this approach we compute the twoloop SUSYQCD radiative corrections required in the decoupling process The method has the advantage that large logarithmic corrections are automatically resummed through the Renormalization Group Equations As phenomenological application we study the effects of this approach on the SUSYQCD corrections to the prediction of the lightest Higgs boson mass at threeloop accuracy We observe a significant reduction of the renormalization scale dependence as compared to the direct method that is based on the conversion relation between the running and pole mass for the top quark The effect of resummation of large logarithmic contributions consists in an increased prediction for the Higgs boson mass an observation in agreement with the previous analysesThis article is published under an open access license Please check the Copyright Information section for details of this license and what reuse is permitted If your intended use exceeds what is permitted by the license or if you are unable to locate the licence and reuse information please contact the Rights and Permissions team
Keywords: