Abstract
Recent measurements of the single inclusive jet cross section at the Fermilab Tevatron by the CDF Collaboration may suggest a modified picture of QCD in the large ${E}_{T}$ range. One possible explanation of the measured jet excess is the introduction of a neutral heavy vector boson ${Z}^{\ensuremath{'}}$. A parameter fit of this new model to the CDF data, in leading order perturbation theory, is performed, and the question of how the corresponding single inclusive jet cross sections and the dijet angular distributions at the CERN LHC are affected by this additional ${Z}^{\ensuremath{'}}$ is discussed. We conclude that the ${Z}^{\ensuremath{'}}$ will play a pivotal role for typical LHC center-of-mass energies, thus providing a direct test of this theory.
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