[On_site_list] April 23 Colloquium: Progress Exploring Spin Structure of Nucleon

[deborah magaldi]

Jefferson Lab Colloquium

*Recent Progress in Exploring the Spin Structure of the Nucleon*

*Xiangdong Ji
Professor of Physics, University of Maryland
Director, Institute of Nuclear & Particle Physics,
Shanghai, Jiao Tong University*

*ABSTRACT*
In high-energy scattering processes, we study the proton as it travels 
at the speed of light. Due to Lorentz time dilation, the strong 
interaction between quarks and gluons slows down considerably, and the 
proton appears as a collection of non-interacting partons. In this talk, 
I will discuss to what extent one can use this picture to describe 
various properties of the proton, including its spin, and visualize the 
results of high-energy scattering experiments at JLab at 6 and 12 GeV 
and other facilities worldwide. I will also discuss how to directly 
calculate the properties of partons using the large scale numerical 
simulations of QCD.

*(Please note special day)*
Tuesday, April 23, 2013
4 p.m.
CEBAF Center auditorium
Cookies & coffee in the CEBAF Center lobby, 3:45 p.m.

Posted on the JLab At A Glance calendar at:
https://misportal.jlab.org/ul/calendar/calendar_date.cfm?date=23&month=4&year=2013

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