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[PAST EVENT] Physics Colloquium
March 14, 2014
4pm - 5pm
Abstract:
Global QCD analysis of data from high-energy scattering reactions has provided considerable information about the momentum and spin distributions of quarks and gluons (partons) inside the nucleon. We review the current status of parton distribution functions (PDFs) of the nucleon, with particular focus on the region of large parton momentum fractions x. We also anticipate how future facilities, with fixed-target and collider experiments, may impact our knowledge of PDFs and reduce their uncertainties.
Global QCD analysis of data from high-energy scattering reactions has provided considerable information about the momentum and spin distributions of quarks and gluons (partons) inside the nucleon. We review the current status of parton distribution functions (PDFs) of the nucleon, with particular focus on the region of large parton momentum fractions x. We also anticipate how future facilities, with fixed-target and collider experiments, may impact our knowledge of PDFs and reduce their uncertainties.