Impact of LHC precision measurements of inclusive jet and dijet production on the CTEQ-TEA global PDF fit

Journal Article · 23 February 2025 · Physical Review. D.

DOI: https://doi.org/10.1103/PhysRevD.111.036033 · OSTI ID:2537952

Ablat, Alim ; Dulat, Sayipjamal ; Hou, Tie-Jiun ; Huston, Joey ; Nadolsky, Pavel ; Sitiwaldi, Ibrahim ; Xie, Keping; Yuan, C. -P.

In this study, we investigate the impact of new Large Hadron Collider (LHC) inclusive jet and dijet measurements on parton distribution functions (PDFs) that describe the proton structure, with a particular focus on the gluon distribution at large momentum fraction, $x$ , and the corresponding partonic luminosities. We assess constraints from these datasets using next-to-next-to-leading-order (NNLO) theoretical predictions, accounting for a range of uncertainties from scale dependence and numerical integration. From the scale choices available for the calculations, our analysis shows that the central predictions for inclusive jet production show a smaller scale dependence than dijet production. We examine the relative constraints on the gluon distribution provided by the inclusive jet and dijet distributions, and also explore the phenomenological implications for inclusive $H$ , $t\overline{t}$ , and $t\overline{t}H$ production at the LHC at 14 TeV. Published by the American Physical Society 2025

• Sponsoring Organization: USDOE
• Grant/Contract Number: SC0010129
• OSTI ID: 2537952
• Journal Information: Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 3 Vol. 111; ISSN PRVDAQ; ISSN 2470-0010
• Publisher: American Physical SocietyCopyright Statement
• Country of Publication: United States
• Language: English