Z-Boson Production in Association with a Jet at Next-To-Next-To-Leading Order in Perturbative QCD

Boughezal, R.; Campbell, J.M.; Ellis, R.K.; Focke, C.; Giele, W.; Liu, X.; Petriello, F.

doi:10.1103/physrevlett.116.152001

Z-Boson Production in Association with a Jet at Next-To-Next-To-Leading Order in Perturbative QCD

Boughezal, R.; Campbell, J.M.; Ellis, R.K.; Focke, C.; Giele, W.; Liu, X.; Petriello, F.

Authors

R. Boughezal

J.M. Campbell

Professor Keith Ellis keith.ellis@durham.ac.uk
Emeritus Professor

C. Focke

W. Giele

X. Liu

F. Petriello

Abstract

We present the first complete calculation of Z-boson production in association with a jet in hadronic collisions through next-to-next-to-leading order in perturbative QCD. Our computation uses the recently proposed N-jettiness subtraction scheme to regulate the infrared divergences that appear in the real-emission contributions. We present phenomenological results for 13 TeV proton-proton collisions with fully realistic fiducial cuts on the final-state particles. The remaining theoretical uncertainties after the inclusion of our calculations are at the percent level, making the Z+jet channel ready for precision studies at the LHC run II.

Citation

Boughezal, R., Campbell, J., Ellis, R., Focke, C., Giele, W., Liu, X., & Petriello, F. (2016). Z-Boson Production in Association with a Jet at Next-To-Next-To-Leading Order in Perturbative QCD. Physical Review Letters, 116(15), Article 152001. https://doi.org/10.1103/physrevlett.116.152001

Journal Article Type	Article
Acceptance Date	Dec 11, 2015
Online Publication Date	Apr 14, 2016
Publication Date	Apr 14, 2016
Deposit Date	Nov 7, 2016
Publicly Available Date	Nov 14, 2016
Journal	Physical Review Letters
Print ISSN	0031-9007
Electronic ISSN	1079-7114
Publisher	American Physical Society
Peer Reviewed	Peer Reviewed
Volume	116
Issue	15
Article Number	152001
DOI	https://doi.org/10.1103/physrevlett.116.152001

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