Sea Quark Asymmetries in the Nucleon - A physical model for parton distributions in hadrons

Details Sea Quark Asymmetries in the Nucleon - A physical model for parton distributions in hadrons Sea Quark Asymmetries in the Nucleon - A physical model for parton distributions in hadrons

2004-12-20

arxiv.org/abs/hep-ph/0412286v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 4 figures. Talk given at HSQCD, St. Petersburg, Russia, May 2004

Scientific paper

A physical model for parton densities in hadrons, based on Gaussian momentum fluctuations of partons and hadronic baryon-meson fluctuations, is presented. The model has previously been shown to describe proton structure function data, and is now applied to sea quark asymmetries and shown to describe the dbar-ubar asymmetry of the proton. By considering fluctuations involving strange quarks, the model gives an asymmetry between the momentum distributions of s and sbar, which would reduce the significance of the NuTeV anomaly.

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