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Volume 352 - XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2019) - Working Group 1: Structure Function and Parton Densiies
LHC and DIS experimental datain the CT18(Z) global QCD analysis
P. Nadolsky,* T.J. Hou, K. Xie, J. Gao, S. Dulat, M. Guzzi, J.W. Huston, T.J. Hobbs, J. Pumplin, C. Schmidt, I. Sitiwaldi, D. Stump, B.T. Wang, C.P. Yuan
*corresponding author
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Pre-published on: 2019 August 29
Published on: 2019 October 04
We discuss implementation of the LHC experimental data sets in the new CT18 global analysis of quantum chromodynamics (QCD) at the next-to-next-leading order of the QCD coupling strength. New methodological developments in the fitting methodology are discussed. Behavior of the CT18 NNLO PDFs for the conventional and "saturation-inspired" factorization scales in deep-inelastic scattering is reviewed. Four new families of (N)NLO CTEQ-TEA PDFs are presented: CT18, A, X, and Z.
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