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

被引：137

作者：

Boughezal, Radja ^{[1
]}

Campbell, John ^{[2
]}

Ellis, R. Keith ^{[3
]}

Focke, Christfried ^{[4
]}

Giele, Walter ^{[2
]}

Liu, Xiaohui ^{[5
]}

Petriello, Frank ^{[1
,4
]}

机构：

[1] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA

[2] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA

[3] Univ Durham, Dept Phys, Inst Particle Phys Phenomenol, Durham DH1 3LE, England

[4] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA

[5] Univ Maryland, Maryland Ctr Fundamental Phys, College Pk, MD 20742 USA

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 116卷 / 15期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.116.152001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页数：6

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