Figure 1

The Higgs mass prediction versus $M_s$ for $\tan \beta =2$ (lower dotted lines) and $\tan \beta =50$ (upper solid lines). For each set of three the middle line is with ${\alpha }_s(M_z)=0.118$, $M_t=172.7\mathrm{GeV}$; the upper line is with ${\alpha }_s(M_z)=0.115$, $M_t=175.6\mathrm{GeV}$; and the lower line is with ${\alpha }_s(M_z)=0.121$, $M_t=169.8\mathrm{GeV}$. These correspond to the $1\sigma$ variations of ${\alpha }_s(M_Z)=0.118\pm 0.003$ and $M_t=172.7\pm 2.9\mathrm{GeV}$, with the resulting uncertainties in the Higgs mass considered additively. The gaugino and higgsino masses at $M_G$ are taken as universal $M_{1/2}=500\mathrm{GeV}$. The experimental lower bound [24] of $M_h>114.4\mathrm{GeV}$ (at 95%) is shown.Reuse & Permissions

Figure 2

The Higgs mass versus $\tan \beta$, for $M_s={10}^6$, ${10}^7$, ${10}^8$, ${10}^9$, ${10}^{10}$, ${10}^{11}$, and ${10}^{12}\mathrm{GeV}$, from bottom to top. Here ${\alpha }_s(M_z)=0.118$ and $M_t=172.7\mathrm{GeV}$.Reuse & Permissions

Figure 3

The Higgs mass shift for $\tan \beta =2$ and $M_{1/2}=500\mathrm{GeV}$ due to four types of threshold corrections. The correction due to the two-loop running of $\lambda$ is shown in the thick dense dotted line near zero. The standard model (SM) correction from 12 is the dashed line. The split SUSY (SS) correction from Eq. (36) is the thick dotted line. The thin dotted line is the SS correction to the Higgs mass through the correction to the top Yukawa initial value, Eq. (22). The solid line is the total of these four corrections. Here ${\alpha }_s(M_z)=0.118$ and $M_t=172.7\mathrm{GeV}$.Reuse & Permissions

Figure 4

Same as Fig. 3 except with $\tan \beta =50$.Reuse & Permissions