Measurement of the inclusive jet cross-sections in proton–proton collisions at √s = 8 TeV with the ATLAS detector

Aaboud, M. and Aad, G. and Abbott, B. and Abdallah, J. and Abdinov, O. and Abeloos, B. and Abidi, S. H. and AbouZeid, O. S. and Abraham, N. L. and Abramowicz, H. and Abreu, H. and Abreu, R. and Abulaiti, Y. and Acharya, B. S. and Adachi, S. and Adamczyk, L. and Adelman, J. and Adersberger, M. and Adye, T. and Affolder, A. A. and Agatonovic-Jovin, T. and Agheorghiesei, C. and Aguilar-Saavedra, J. A. and Ahlen, S. P. and Ahmadov, F. and Aielli, G. and Akatsuka, S. and Akerstedt, H. and Åkesson, T. P. A. and Akimov, A. V. and Tóth, József (2017) Measurement of the inclusive jet cross-sections in proton–proton collisions at √s = 8 TeV with the ATLAS detector. JOURNAL OF HIGH ENERGY PHYSICS (9). ISSN 1126-6708

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Abstract

Inclusive jet production cross-sections are measured in proton–proton collisions at a centre- of-mass energy of √s = 8 TeV recorded by the ATLAS experiment at the Large Hadron Col- lider at CERN. The total integrated luminosity of the analysed data set amounts to 20.2 fb−1. Double-differential cross-sections are measured for jets defined by the anti-kt jet clustering algorithm with radius parameters of R = 0.4 and R = 0.6 and are presented as a function of the jet transverse momentum, in the range between 70GeV and 2.5TeV and in six bins of the absolute jet rapidity, between 0 and 3.0. The measured cross-sections are compared to predictions of quantum chromodynamics, calculated at next-to-leading order in perturbation theory, and corrected for non-perturbative and electroweak effects. The level of agreement with predictions, using a selection of different parton distribution functions for the proton, is quantified. Tensions between the data and the theory predictions are observed.

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