Precise Predictions for Z + 4 Jets at Hadron Colliders
Abstract
We present the cross section for production of a Z boson in association with four jets at the Large Hadron Collider, at next-to-leading order in the QCD coupling. When the Z decays to neutrinos, this process is a key irreducible background to many searches for new physics. Its computation has been made feasible through the development of the on-shell approach to perturbative quantum field theory. We present the total cross section for pp collisions at sqrt{s} = 7 TeV, after folding in the decay of the Z boson, or virtual photon, to a charged-lepton pair. We also provide distributions of the transverse momenta of the four jets, and we compare cross sections and distributions to the corresponding ones for the production of a W boson with accompanying jets.
Cite
@article{arxiv.1108.2229,
title = {Precise Predictions for Z + 4 Jets at Hadron Colliders},
author = {H. Ita and Z. Bern and L. J. Dixon and F. Febres Cordero and D. A. Kosower and D. Maitre},
journal= {arXiv preprint arXiv:1108.2229},
year = {2013}
}
Comments
5 pages, 3 figures, 1 table, RevTex, corrected Z+0 jet cross section