Higgs physics at ISABELLE

In the standard electroweak theory it is possible to include the presence of gauge boson and fermion masses, but there is no deep understanding of the physical origin of mass. New scalar bosons are required, but their properties are not calculable (particularly if, as most people who have examined the problem expect, at least two Higgs doublets are required). Two ways have been found that might make sense of scalars. Both approaches give large numbers of interesting interactions and particle states. Supersymmetry is one promising possibility, discussed briefly elsewhere in the proceedings. Here we will concentrate on the dynamical symmetry breaking mechanism