Journal
PHYSICAL REVIEW D
Volume 93, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.93.033006
Keywords
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Funding
- U.S. DOE Early Career Research Award [DE-SC0003870]
- U.S. Department of Energy [DE-FG02-96ER40969, DE-SC0013681, DE-AC02-06CH11357]
- U.S. National Science Foundation [PHY-0855561, PHY-1417326]
- Lightner-Sams Foundation
- National Natural Science Foundation of China [11165014, 11465018]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1417326] Funding Source: National Science Foundation
- Science and Technology Facilities Council [ST/L000520/1, ST/J000418/1] Funding Source: researchfish
- STFC [ST/L000520/1, ST/J000418/1] Funding Source: UKRI
- U.S. Department of Energy (DOE) [DE-SC0013681] Funding Source: U.S. Department of Energy (DOE)
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We present new parton distribution functions (PDFs) at next-to-next-to-leading order (NNLO) from the CTEQ-TEA global analysis of quantum chromodynamics. These differ from previous CT PDFs in several respects, including the use of data from LHC experiments and the new D0 charged-lepton rapidity asymmetry data, as well as the use of a more flexible parametrization of PDFs that, in particular, allows a better fit to different combinations of quark flavors. Predictions for important LHC processes, especially Higgs boson production at 13 TeV, are presented. These CT14 PDFs include a central set and error sets in the Hessian representation. For completeness, we also present the CT14 PDFs determined at the LO and the NLO in QCD. Besides these general-purpose PDF sets, we provide a series of (N) NLO sets with various as values and additional sets in general-mass variable flavor number schemes, to deal with heavy partons, with up to three, four, and six active flavors.
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