Single top Quark Production in e-gamma Collisions and Testing Technicolor Models

Details Single top Quark Production in e-gamma Collisions and Testing Technicolor Models Single top Quark Production in e-gamma Collisions and Testing Technicolor Models

1998-11-02

arxiv.org/abs/hep-ph/9811216v2

Phys.Rev. D60 (1999) 014002

Physics

High Energy Physics

High Energy Physics - Phenomenology

15-page RevTex file with 7 figure using epsfig. Version for publication in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.60.014002

We study the single top quark production process in various kinds of technicolor models in high energy positron photon collisions at the future electron positron linear colliders. It is shown that if there is certain charged pseudo Goldstone boson (PGB) coupling to t(anti-b), the t(anti-b)-channel PGB contribution is dominant, but the situation is quite different from that in the neutral channel, t(anti-t) production in photon photon collisions, due to the destructive nature of different amplitudes. At the DESY limear collider TESLA, the event rates in models with t(anti-b)-channel PGB contributions, such as the top-color-assisted technicolor model, etc. are experimentally measurable. This process provides a feasible test of technicolor models with t(abti-b)-channel PGB contributions.

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