Parton Distributions

Abstract

I discuss our current understanding of parton distributions. I begin with the underlying theoretical framework, and the way in which different data sets constrain different partons, highlighting recent developments. The methods of examining the uncertainties on the distributions and those physical quantities dependent on them is analysed. Finally I look at the evidence that additional theoretical corrections beyond NLO perturbative QCD may be necessary, what type of corrections are indicated and the impact these may have on the uncertainties.

Invited talk at "XXI International Symposium on Lepton and Photon Interactions at High Energies," (Fermilab, Chicago, August 2003). 12 pages, 21 figures

References in corpus (28)

• Parton distributions for the LHC
• A Precise Determination of Electroweak Parameters in Neutrino-Nucleon Scattering
• Deep-Inelastic Inclusive ep Scattering at Low x and a Determination of alpha_s
• Improved Measurement of the $\bar{d}/\bar{u}$ Asymmetry in the Nucleon Sea
• Uncertainties of predictions from parton distribution functions II: the Hessian method
• Uncertainties of predictions from parton distributions. I: experimental errors
• MRST2001: partons and alpha_S from precise deep inelastic scattering and Tevatron jet data
• A Modification of the Saturation Model: DGLAP evolution
• NNLO global parton analysis
• Uncertainties of Predictions from Parton Distribution Functions I: the Lagrange Multiplier Method
• Precise Measurement of Dimuon Production Cross-Sections in muon neutrino Fe and muon antineutrino Fe Deep Inelastic Scattering at the Tevatron
• Parton distributions from deep-inelastic-scattering data
• Measurement of D*+- production and the charm contribution to F_2 in deep inelastic scattering at HERA
• Multivariate Fitting and the Error Matrix in Global Analysis of Data
• Measurement of the Inclusive ep Scattering Cross Section at Low Q^2 and x at HERA
• Improved Approximations for the Three-Loop Splitting Functions in QCD
• A QCD analysis of HERA and fixed target structure function data
• Inclusive Jet Production in pbar p Collisions
• Measurement of the Inclusive Jet Cross Section in $\bar{p}p$ collisions at $\sqrt{s}=1.8$ TeV
• The Running Coupling BFKL Anomalous Dimensions and Splitting Functions
• The proton's gluon distribution
• Systematic Analysis of Scaling Properties in Deep Inelastic Scattering
• Impact of the three-loop corrections on the QCD analysis of the deep-inelastic-scattering data
• An alternative scaling solution for high-energy QCD saturation with running coupling
• Questions on Uncertainties in Parton Distributions
• Structure Function Resummation in small-x QCD
• W/Z Production Cross Sections and Asymmetries at E_CM = 2 TeV
• An Improved Splitting Function for Small x Evolution

Cited by in corpus (11)

• Non-linear QCD meets data: A global analysis of lepton-proton scattering with running coupling BK evolution
• Small-$x$ resummation from HELL
• Neutrino Dimuon Production and the Strangeness Asymmetry of the Nucleon
• A new phenomenological Investigation of $KMR$ and $MRW$ $unintegrated$ parton distribution functions
• A phenomenological analysis of the longitudinal structure function at small $x$ and low $Q^2$
• LHC production of forward-center and forward-forward di-jets in the $k_t$-factorization $unintegrated$ parton distribution frameworks
• Neutralino pair production at CERN LHC
• Investigating F_L(x,Q2) at fixed energy in the color dipole formalism
• Single Neutralino production at CERN LHC
• The Bjorken sum rule with Monte Carlo and Neural Network techniques
• Proton structure at the LHC