[Jlab-seminars] Theory Center Seminar (Corrected Title and Abstract)

[Mary Fox]

Theory Center Seminar
Mon., May 19, 2014
1:00 p.m. (coffee at 12:45 p.m.)
CEBAF Center, Room F224/225

Vladimir Braun
University of Regensburg

*Nucleon Electromagnetic Form Factors and Wave Functions: A Theory 
Reappraisal*

I review the progress in the understanding of the nucleon structure on a 
wave function level from the studies of electromagnetic form factors
at large momentum transfers in the light-cone sum rule method and 
first-principles calculations in the lattice version of quantum
chromodynamics. A consistent picture emerges, for the first time, with 
one valence quark carrying about 40% of the total momentum and
the rest shared equally by the remaining two quarks. Exploratory studies 
of the wave functions of negative parity resonances are also presented.
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