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Z-boson production in association with a jet at next-to-next-to-leading order in perturbative QCD

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arxiv 1512.01291 v2 pith:YURVPIC2 submitted 2015-12-04 hep-ph hep-ex

Z-boson production in association with a jet at next-to-next-to-leading order in perturbative QCD

Radja Boughezal , John M. Campbell , R. Keith Ellis , Christfried Focke , Walter T. Giele , Xiaohui Liu , Frank Petriello This is my paper
classification hep-ph hep-ex
keywords associationcollisionsnext-to-next-to-leadingorderperturbativeproductionz-bosonappear
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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.

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Cited by 2 Pith papers

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    The report reviews progress since 2021 in fixed-order computations for LHC applications and identifies processes requiring missing higher-order corrections to match anticipated experimental precision.