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Journal Articles Journal of High Energy Physics Year : 2016

Inclusive jet spectrum for small-radius jets

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Abstract

Following on our earlier work on leading-logarithmic (LLR) resummations for the properties of jets with a small radius, R, we here examine the phenomenological considerations for the inclusive jet spectrum. We discuss how to match the NLO predictions with small-R resummation. As part of the study we propose a new, physically-inspired prescription for fixed-order predictions and their uncertainties. We investigate the R-dependent part of the next-to-next-to-leading order (NNLO) corrections, which is found to be substantial, and comment on the implications for scale choices in inclusive jet calculations. We also examine hadronisation corrections, identifying potential limitations of earlier analytical work with regards to their $p_t$-dependence. Finally we assemble these different elements in order to compare matched (N)NLO+LLR predictions to data from ALICE and ATLAS, finding improved consistency for the R-dependence of the results relative to NLO predictions.
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Dates and versions

cea-01464827 , version 1 (10-02-2017)

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Mrinal Dasgupta, Frédéric A. Dreyer, Gavin P. Salam, Gregory Soyez. Inclusive jet spectrum for small-radius jets. Journal of High Energy Physics, 2016, 2016, pp.057. ⟨10.1007/JHEP06(2016)057⟩. ⟨cea-01464827⟩
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