[Jlab-seminars] Physics Seminar Announcement

[Luci Collins]

*Physics Seminar
Friday, November 20, 2009
11:00AM
CEBAF Center AUD.
Cookies & Coffee at 10:45AM*


*Jacques Soffer
Temple University

"Fundamental Open Questions in Spin Physics" *

There is a long list of open questions and to answer, but a simple one 
is "What is particle spin good for?".  I will start by giving a few 
examples of unexpected intringing observations.  Many questions refer to 
the nucleon spin puzzle, for example, its quark flavor decomposition or 
the gluon contribution and the orbital angular momentum contribution to 
the nucleon spin.  One must also ask how important is the quark 
transversity?  I will discuss the effects of non-zero intrinsic 
transverse momentum, which remain to be clarified in connection with the 
interpretation of large single transverse spin asymmetries.


Upcoming Seminars:

Nov. 25 - Yi Qiang (Duke)
Dec. 4  - Seamus Riordan (UVa)
Dec. 15 - Heidi Schellman (Northwestern)


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