Figure 1
The prediction for the Higgs mass at two loops for realistic
theory vacua defined in the text, as a function of
for three different values of the gravitino mass
, and varying the theoretical and experimental inputs as described below. SPheno 2.2.3 was used to evolve grand unified theory scale parameters to
. For precise numbers and more details, see Sec. 4. The central band within the dashed curves for which scatter points are plotted corresponds to
. This band includes the total uncertainty in the Higgs mass arising from the variation of three theoretical inputs at the unification scale, and from those in the top mass
and the
gauge coupling
within the allowed uncertainties. The innermost (white) band bounded by solid curves includes the uncertainty in the Higgs mass for
only from theoretical inputs. The upper (dark gray) band bounded by solid curves corresponds to the total uncertainty in the Higgs mass for
while the lower (light gray) band bounded by solid curves corresponds to that for
. For
, the red scatter points (with
less than about 4.5) and blue scatter points (with
greater than about 4.5) correspond to Large
and Small
, respectively, as described in Secs. 2, 4. The lower bound of the Higgs mass is from
46. We assume the currently almost excluded regime 117.5–118.5 GeV will soon be fully excluded.
Reuse & Permissions