Electroweak Chiral Lagrangian for a Hypercharge-universal Topcolor Model

preprint2009arXivOpen access

Abstract

Electroweak chiral Lagrangian for a hypercharge-universal topcolor model is investigated. We find that the assignments of universal hypercharge improve the results obtained previously from K.Lane's prototype natural TC2 model by allowing a larger Z' mass resulting in a very small T parameter and the S parameter is still around the order of +1

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