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

By X L Wang, Kuang Yu Ping, H Zhou, H Wang and L Zhang

Abstract

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 large mass difference between the top quark and the bottom quark. 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, are experimentally measurable. This process provides a feasible test of technicolor models with t(abti-b)-channel PGB contributions

Topics: Particle Physics - Phenomenology
Year: 1998
OAI identifier: oai:cds.cern.ch:369854
Provided by: CERN Document Server
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