Testing Technicolor Models in Top Quark Pair Production at High Energy Photon Colliders

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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Version for publication in Phys.Rev.D with some references and discussions added and some typos corrected

Scientific paper

10.1103/PhysRevD.57.4205

We study pseudo-Goldstone boson corrections to top quark pair production rates in technicolor models with and without topcolor at the E=0.5 teV and 1.5 TeV photon colliders. We find that, for reasonable ranges of the parameters, the corrections are large enough to be observable, and the corrections in models with topcolor are considerably larger than those in models without topcolor, and they are all significantly larger than the corresponding corrections in the minimal supersymmetric standard model (MSSM) with tan(beta) of the order of 1. So that the two kinds of technicolor models and the MSSM with tan(beta) of the order of 1 can be experimentally distinguished.

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