Top Quark Pair Production at $e^+e^-$ Colliders in the Topcolor-assisted Technicolor Model

Details Top Quark Pair Production at $e^+e^-$ Colliders in the Topcolor-assisted Technicolor Model Top Quark Pair Production at $e^+e^-$ Colliders in the Topcolor-assisted Technicolor Model

2001-08-20

arxiv.org/abs/hep-ph/0108154v1

Commun.Theor.Phys.37:209-214,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 3 figures, to appear in Comm.Theor.Phys

Scientific paper

In the framework of topcolor-assisted technicolor model we calculate the contributions from the pseudo Goldstone bosons and new gauge bosons to $e^+e^- \to t\bar{t}$. We find that, for reasonable ranges of the parameters, the pseudo Goldstone bosons afford dominate contribution, the correction arising from new gauge bosons is negligibly small, the maximum of the relative corrections is -10% with the center-of-mass energy $\sqrt{s}=500$ GeV; whereas in case of $\sqrt{s}=1500$ GeV, the relative corrections could be up to 16%. Thus large new physics might be observable at the experiments of next-generation linear colliders.

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