Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-06-05
Phys.Rev.D63:015001,2001
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages, LaTeX, uses epsf and psfig
Scientific paper
10.1103/PhysRevD.63.015001
We discuss an alternative to the topcolor seesaw mechanism. In our scheme, all the light quarks carry topcolor, and there are many composite SU(2) doublets. This makes it possible to get the observed top quark mass and observed $SU(2) \times U(1)$ breaking in a way that is quite different from the classic seesaw mechanism. We discuss a model of this kind that arises naturally in the context of dynamically broken topcolor. There are many composite scalars in a theory of this kind. This has important effects on the Pagels-Stokar relation and the Higgs mass. We find $m_{\rm Higgs} < 330$ GeV, lighter than in typical topcolor models. We also show that the electroweak singlet quarks in such a model can be lighter than the corresponding quarks in a seesaw model.
Georgi Howard
Grant Aaron K.
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