Abstract
We present a systematic investigation of jet production at hadron colliders from a phenomenological point of view, with the dual aim of providing a validation of theoretical calculations and guidance to future determinations of parton distributions (PDFs). We account for all available inclusive jet and dijet production measurements from ATLAS and CMS at 7 and 8 TeV by including them in a global PDF determination, and comparing to theoretical predictions at NNLO QCD supplemented by electroweak (EW) corrections. We assess the compatibility of the PDFs, specifically the gluon, obtained before and after inclusion of the jet data. We compare the single-inclusive jet and dijet observables in terms of perturbative behaviour upon inclusion of QCD and EW corrections, impact on the PDFs, and global fit quality. In the single-inclusive case, we also investigate the role played by different scale choices and the stability of the results upon changes in modelling of the correlated experimental systematics.
Highlights
Ref. [4]), and opens up the possibility of doing precision phenomenology with jet observables
We present a systematic investigation of jet production at hadron colliders from a phenomenological point of view, with the dual aim of providing a validation of theoretical calculations and guidance to future determinations of parton distributions (PDFs)
They consist of a set of global PDF determinations, in which the NNPDF3.1 global dataset is supplemented by the single-inclusive jet and inclusive dijet data presented in Sect. 2.3: by comparing fit results, we study the impact of varying the jet observable, the data, and the theory settings
Summary
We discuss the single-inclusive jet and dijet data. We first summarize available inclusive jet production data from the LHC. We review the jet cross-sections included in the NNPDF3.1 PDF determination and their treatment. We provide details on the treatment and kinematic cover-. Page 3 of 27 797 age of the single-inclusive jet and dijet datasets that we will use in this paper
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