Journal
PHYSICAL REVIEW D
Volume 87, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.094012
Keywords
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Funding
- DOE [DE-AC05-06OR23177, DE-FG02-97ER41922, DE-SC0008791]
- U.S. Department of Energy (DOE) [DE-SC0008791] Funding Source: U.S. Department of Energy (DOE)
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We present three new sets of next-to-leading order parton distribution functions (PDFs) determined by global fits to a wide variety of data for hard scattering processes. The analysis includes target mass and higher twist corrections needed for the description of deep inelastic scattering data at large x and low Q(2), and nuclear corrections for deuterium targets. The PDF sets correspond to three different models for the nuclear effects, and provide a more realistic uncertainty range for the d quark PDF, in particular, compared with previous fits. We describe the PDF error sets for each choice of the nuclear corrections, and provide a user interface for utilizing the distributions.
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