ABSTRACT
This chapter describes a number of properties of the Higgs boson of the minimal Standard Model. It explores the limits that can be placed upon ϕ from radiative corrections at low energy, and from a variety of theoretical arguments. Probably only the decay to the heaviest quarkonium state allowed by energy conservation is large enough to detect, the others being suppressed by form factor effects. The high-energy corrections represent perturbative QCD corrections to equation, and are probably small. Low-energy theorems for Higgs boson interactions have been studied in great detail by Vainshtein, Voloshin, Zakharov and Shifman. Wave function renormalization in this context means diagonalization of the pseudoscalar kinetic energy, followed by a rescaling of the fields to obtain canonically normalized terms. The chapter discusses numerical limits on the Higgs mass which can be obtained from precision measurements of weak neutral currents and the W and Z masses.
