[Theory-seminars] next week: Asmita Mukherjee, Mo. June 20, 1:00 pm room L104

[Bernhard Musch]

Dear all,

next week we will have a theory seminar by our visitor Asmita Mukherjee. 
Details follow:

Asmita Mukherjee (Indian Institute of Technology, Mumbai),
Monday June 20, 1:00 pm, room L104

*Gluonic Pole Matrix Elements and Universality of Fragmentation Functions*

Gluonic pole matrix elements explain the appearance of single spin
asymmetries (SSA) in high-energy scattering processes. They involve
a combination of operators which are odd under time reversal (T-odd).
Such matrix elements appear in principle both for parton
distribution functions  and parton fragmentation functions.
We show first in a model calculation and then in a model independent
manner that for parton fragmentation functions these gluonic pole
matrix elements vanish. This result is important in the study of
the universality of transverse momentum dependent fragmentation functions. 

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A complete list of upcoming theory seminars and talks from previous
seminars are available from:
http://www.jlab.org/~prokudin/seminars/

Alexei, Berni and Satoshi
JLab Theory Seminar Organizers


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