Probing a Very Narrow Z' Boson with CDF and D0 Data
Daniel Feldman, Zuowei Liu, Pran Nath
Abstract
The CDF and D0 data of nearly 475 pb-1 in the dilepton channel is used to probe a recent class of models, Stueckelberg extensions of the Standard Model (StSM), which predict a Z' boson whose mass is of topological origin with a very narrow decay width. A Drell-Yan analysis for dilepton production via this Z' shows that the current data put constraints on the parameter space of the StSM. With a total integrated luminosity of 8 fb-1, the very narrow Z' can be discovered up to a mass of about 600 GeV. The StSM Z' will be very distinct since it can occur in the region where a Randall-Sundrum graviton is excluded.
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