Z boson pair production at the LHC to $\mathcal{O}({\alpha }_s)$ in TeV scale gravity models

Abstract

The first results on next-to-leading order QCD corrections to the production of two Z bosons, in hadronic collisions in the large extra dimension ADD model are presented. Various kinematical distributions are obtained to order ${\alpha }_s$ in QCD by taking into account all the parton level subprocesses. We estimate the impact of the QCD corrections on various observables and find that they are significant. We also show the reduction in factorisation scale uncertainity when $\mathcal{O}({\alpha }_s)$ effects are included.

Latest version; coincides with the version published in Nucl. Phys. B

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• PDF and scale uncertainties of various DY distributions in ADD and RS models at hadron colliders
• First Order Calculation of the Inclusive Cross Section pp to ZZ by Graviton Exchange in Large Extra Dimensions
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