Top-pions and single top production at HERA and THERA

Details Top-pions and single top production at HERA and THERA Top-pions and single top production at HERA and THERA

2004-09-24

arxiv.org/abs/hep-ph/0409291v2

Phys.Lett. B605 (2005) 301-305

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 figures. Paragraph and 1 reference added

Scientific paper

10.1016/j.physletb.2004.11.053

We study single top quark production at the HERA and THERA colliders as coming from the FCNC vertices tcgamma and tcZ that appear at one loop level in Topcolor-assisted technicolor models (TC2). In contrast with previous expectations, we find that the production cross section is of order 10^-6 pb for HERA and 10^-4 pb for THERA (even lower that the SM prediction). Therefore, none of the two colliders are capable to probe the pseudoscalar top-pion or the scalar top-higgs predicted in TC2 models via single top production.

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