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HEP Seminar: From RHIC to eRHIC: The Quest for the Spin of the Nucleon

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HEP Seminar by Elke-Caroline Aschenauer (Brookhaven National Laboratory)
02 October 2013 from 2:30 PM to 3:30 PM
339 Davey Laboratory
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(814) 865-7976
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A myriad of new techniques and technologies made it possible to inaugurate the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory as the world's first high-energy polarized proton collider in December 2001. RHIC delivers polarized proton-proton collisions at a center of mass energies of up  to 500 GeV. This unique environment provides opportunities to study the polarized quark and gluon spin structure of the proton and QCD dynamics at a high energy scale and is therefore complementary to existing semi-inclusive deep inelastic scattering experiments. Recent data from RHIC help to significantly constrain the gluon polarization contributing to the proton spin, and parity violating single spin asymmetries are observed for the first time in W production by both the PHENIX and STAR

In recent years, transverse spin phenomena have gained attention as they offer fundamental tests of our understanding of color forces, transversity, and orbital angular momentum. We present the latest results from the PHENIX and STAR experiments and will discuss the near and mid-term future prospects of the facility. The talk will be summarized presenting the long term future of the facility the electron-ion collider.