New Phenomena beyond Both the Standard Model and Mssm 1 2 Extended Gauge Sectors

Signals for new, non-supersymmetric physics at hadron colliders are reviewed. We focus on extended gauge sectors and new matter particles. OVERVIEW The Standard Model (SM) is in complete agreement with present experimental data. Nevertheless, it is believed to leave many questions unanswered, and this belief has resulted in numerous attempts to nd a more fundamental underlying theory. One key ingredient in the extrapolation of the SM to higher energies is to identify the complete particle spectrum at the electroweak scale. Two popular examples of theories which populate the TeV scale with a plethora of new particles are supersymmetry and technicolor. This has resulted in extensive searches for super-and techni-particles, which have been reported elsewhere at this meeting (1). In this talk, I will identify other possible manifestations of new physics, and discuss their implications on hadron collider physics. The phenomenology of models with extended gauge symmetries is particularly rich with the existence of new gauge bosons being the hallmark signature of such theories (2). However, additional gauge bosons are not the sole manifestation of an extended gauge group, as these theories also contain exotic fermions, which are required for anomaly cancellation, as well as an enlarged Higgs sector to facilitate the extended symmetry breaking. In addition, Su-persymmetry may also be present, particularly in Grand Uniied Theories