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

Details Z boson pair production at the LHC to ${\cal O}(α_s)$ in TeV scale gravity models Z boson pair production at the LHC to ${\cal O}(α_s)$ in TeV scale gravity models

2009-09-14

arxiv.org/abs/0909.2651v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

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 ${\cal O}(\alpha_s)$ effects are included.

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