NLO QCD corrections to graviton production at hadron colliders
Stefan Karg, Michael Kr\"amer, Qiang Li, Dieter Zeppenfeld
TL;DR
This paper calculates the next-to-leading order QCD corrections for graviton plus jet production in models with extra dimensions, improving the accuracy of predictions for collider searches at the Tevatron and LHC.
Contribution
It provides the first detailed NLO QCD correction calculations for graviton plus jet production, enhancing theoretical precision for experimental searches.
Findings
QCD corrections are sizable and significantly reduce scale dependence.
Numerical results for cross sections and distributions are presented.
Uncertainty analysis includes parton distribution functions and UV sensitivity.
Abstract
Models with large extra dimensions predict the existence of Kaluza-Klein graviton resonances. We compute the next-to-leading order QCD corrections to graviton plus jet hadro-production, which is an important channel for graviton searches at the Tevatron and the LHC. The QCD corrections are sizable and lead to a significant reduction of the scale dependence. We present numerical results for cross sections and distributions, and discuss the uncertainty from parton distribution functions and the ultraviolet sensitivity of the theoretical prediction.
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