Effects Of Kaluza-Klein Excited W On Single Top Quark Production At Tevatron
Abstract
In extra dimension theories if the gauge bosons of the standard model propagate in the bulk of the extra dimensions then they will have Kaluza-Klein excitations that can couple to the standard model fermions. In this paper we study the effects of the first excited Kaluza-Klein mode of the W on single top production at the Tevatron. We find that the cross section for the single top production can be significantly reduced if the mass of the first Kaluza-Klein excited W 1 TeV. Hence, a measurement of the single top production cross section smaller than the standard model prediction would not necessarily imply Vtb <1 or evidence of extra generation(s) of fermions mixed with the third generation.
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