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Phenomenology of single-inclusive jet production with jet radius and threshold resummation

By Xiaohui Liu, Sven-Olaf Moch and Felix Ringer

Abstract

We perform a detailed study of inclusive jet production cross sections at the LHC and compare the QCD theory predictions based on the recently developed formalism for threshold and jet radius joint resummation at next-to-leading logarithmic accuracy to inclusive jet data collected by the CMS collaboration at $\sqrt{S} = 7$ and $13$TeV. We compute the cross sections at next-to-leading order in QCD with and without the joint resummation for different choices of jet radii $R$ and observe that the joint resummation leads to crucial improvements in the description of the data. Comprehensive studies with different parton distribution functions demonstrate the necessity of considering the joint resummation in fits of those functions based on the LHC jet data.Comment: multiple figures and table

Topics: High Energy Physics - Phenomenology, High Energy Physics - Experiment, Nuclear Experiment
Publisher: 'American Physical Society (APS)'
Year: 2018
DOI identifier: 10.1103/PhysRevD.97.056026
OAI identifier: oai:arXiv.org:1801.07284

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