[Jlab-seminars] Theory Center Seminar

[Mary Fox]

Theory Center Seminar
Monday, Oct. 5, 2009
1:00 p.m.
CEBAF Center, Room L104

Jian Zhou 
Lawrence Berkeley National Lab

*TMDs and Polarized Drell-Yan Process*

In this talk, I will discuss the spin-dependent quark distributions at
large transverse momentum. We derive their transverse momentum dependent
behaviors in the collinear factorization approach. We further calculate 
the angular distribution of the Drell-Yan lepton pair production with 
polarized beams and present the results in terms of the collinear 
twist-3 correlation functions. In the intermediate transverse momentum 
region, our explicit calculations have shown that the collinear 
factorization and the transverse momentum dependent factorization 
approaches are consistent in the description of the lepton pair angular 
distributions.

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