Global Analysis of Nuclear Parton Distributions

Abstract

We present a new global QCD analysis of nuclear parton distribution functions and their uncertainties. In addition to the most commonly analyzed data sets for the deep-inelastic scattering of charged leptons off nuclei and Drell-Yan di-lepton production, we include also measurements for neutrino-nucleus scattering and inclusive pion production in deuteron-gold collisions. The analysis is performed at next-to-leading order accuracy in perturbative QCD in a general mass variable flavor number scheme, adopting a current set of free nucleon parton distribution functions, defined accordingly, as reference. The emerging picture is one of consistency, where universal nuclear modification factors for each parton flavor reproduce the main features of all data without any significant tension among the different sets. We use the Hessian method to estimate the uncertainties of the obtained nuclear modification factors and examine critically their range of validity in view of the sparse kinematic coverage of the present data. We briefly present several applications of our nuclear parton densities in hard nuclear reactions at BNL-RHIC, CERN-LHC, and a future electron-ion collider.

23 pages, 23 figures

References in corpus (16)

• Parton distributions for the LHC
• EPS09 - a New Generation of NLO and LO Nuclear Parton Distribution Functions
• Global analysis of fragmentation functions for pions and kaons and their uncertainties
• Extraction of Spin-Dependent Parton Densities and Their Uncertainties
• Determination of nuclear parton distribution functions and their uncertainties at next-to-leading order
• Heavy-Quark Kinetics in the QGP at LHC
• Thermal Dileptons at LHC
• Global Analysis of Helicity Parton Densities and Their Uncertainties
• Global Analysis of Fragmentation Functions for Protons and Charged Hadrons
• Non-linear QCD meets data: A global analysis of lepton-proton scattering with running coupling BK evolution
• Centrality Dependence of pi^0 and eta Production at Large Transverse Momentum in sqrt(s_NN) = 200 GeV d+Au Collisions
• Forward Neutral Pion Production in p+p and d+Au Collisions at sqrt(s_NN)=200 GeV
• Nuclear PDFs from neutrino deep inelastic scattering
• Helicity Parton Distributions from Spin Asymmetries in W-Boson Production at RHIC
• Measuring gluon shadowing with prompt photons at RHIC and LHC
• Nuclear shadowing and prompt photons at relativistic hadron colliders

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