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We present the new CTEQ-TEA global analysis of quantum chromodynamics (QCD).In this analysis, parton distribution functions (PDFs) of the nucleon aredetermined within the Hessian method at the next-to-next-to leading order(NNLO) in perturbative QCD, based on the most recent measurements from theLarge Hadron Collider (LHC) and a variety of world collider data. Because ofdifficulties in fitting both the ATLAS 7 and 8 TeV $W$ and $Z$ vector bosonproduction cross section data, we present two families of PDFs, named CT18 andCT18$Z$ PDFs, respectively, without and with the ATLAS 7 TeV $W$ and $Z$measurements. We study the impact of the CT18 family of PDFs on the theoreticalpredictions of standard candle cross sections at the LHC.

New CTEQ Global Analysis with High Precision Data from the LHC