BEGIN:VCALENDAR VERSION:2.0 PRODID:Data::ICal 0.22 BEGIN:VEVENT DESCRIPTION:Xiaochao Zheng\, MIT\n\nSince the 1980's development in polariz ed electron sources and polarized target techniques has brought the experi mental study of the nucleon into a new era: The spin structure of the nucl eon has been explored with polarized electron scattering. Now twenty years have passed. What have we\nlearned from the data? Do they agree with pred ictions from quantum chromo-dynamics (QCD)\, the theory for strong interac tions? And what about\npredictions from constituent quark models?
\nI wi ll start from an introduction to the study of hadron structure using lepto n deep inelastic scattering and give an overview of world data and\nwhat w e have already learned about nucleon structure. Then I will present resul ts from a precision experiment completed at Jefferson Lab on the neutron s pin in the valence quark region\, and discuss about the future of this mea surement.\n
The last 10 minutes of the talk will be devoted to a differe nt topic: using polarized electron scattering to test the electro-weak St andard\nModel and hadronic structure\, and introducing the PV-DIS program that is being just launched at Jefferson Lab.
The talk will be give n on an non-expert level.
\n DTSTART:20060504T190000Z LOCATION:Physics Building\, Room 205 SUMMARY:What Have We Learned from Polarized Deep Inelastic Scattering? END:VEVENT END:VCALENDAR