Quarkonium Production at Hadron Colliders

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Date/Time:Wednesday, 11 Nov 2009 from 3:00 pm to 4:00 pm
Location:A401, Zaffarano Hall
Contact:Chunhui Chen
Channel:High Energy Physics
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Professor Matthew Jones, Purdue University

Hadron colliders provide an important laboratory for studying the production of bound states of heavy quarks, namely the Jpsi, Psi' and the Upsilon mesons. The large cross section for heavy quark production and the relatively large branching fraction to mu^+mu^- allow the collection of very large data samples from which the basic properties of quarkonium production mechanisms can be studied. Nevertheless, studies of quarkonium states in proton anti-proton collisions have yielded surprises to which the theoretical descriptions of their production mechanism have had to adapt. I will summarize the history and the current state of quarkonium production and polarization measurements at the Fermilab Tevatron and highlight plans for what might be some of the first physics measurements at the LHC.