Search for large extra dimensions in final states containing one photon or jet and large missing transverse energy produced in p-pbar collisions at sqrt(s) = 1.96 TeV

Abstract

We present the results of searches for large extra dimensions in samples of events with large missing transverse energy and either a photon or a jet produced in p-pbar collisions at sqrt(s) = 1.96 TeV collected with the CDF II detector. For gamma + missing Et and jet + missing Et candidate samples corresponding to 2.0 fb^-1 and 1.1 fb^-1 of integrated luminosity respectively, we observe good agreement with standard model expectations and obtain a combined lower limit on the fundamental parameter of the large extra dimensions model, Md, as a function of the number of extra dimensions in the model.

Submitted to Phys. Rev. Lett

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