Detecting the Technirho in Technicolor Models with Scalars

Abstract

We consider the detection of the technirho in technicolor models that include a weak scalar doublet. In these models, the scalar develops a vacuum expectation value when the technifermions condense, and fermion masses are generated through Yukawa couplings, as in the standard model. Unlike ordinary technicolor models, the technicolor scale is generally smaller than the electroweak scale, and the entire technicolor spectrum is shifted to lower energies. In addition, the technifermions can develop large `current' masses from the scalar's vev, so that the technicolor spectrum does not necessarily look like a scaled-up version of ordinary QCD. We discuss the collider signatures for the technirho in these models in the limit that the technirho is light. Although we focus mostly on the production and detection of the technirho in hadron colliders, we also discuss a peculiar limit in which the technirho may be light enough to be seen at LEP II.