Highlights from the (un)polarized e+p scattering program at an EIC

30 Apr 2015, 09:45


WG7 Future experiments WG6+WG7 joint session


elke-caroline Aschenauer (BNL)


Our understanding of the structure of nucleons is described by the properties and dynamics of quarks and gluons in the theory of quantum chromodynamics. With advancements in theory and the development of phenomenological tools we are preparing for the next step in subnuclear tomographic imaging at a future electron-ion collider. High center-of-mass energies ($\sqrt{s}\approx 45 - 150$ GeV) in combination with extremely high luminosities ($10^{33-34}$ cm$^{-2}$s$^{-2}$ will provide the precision and a kinematic reach well into the gluon dominated regime. Highly polarized nucleon and electron beams ($P_{beam}\approx 70%$) can probe the parton polarizations in previously unexplored kinematic regions and unprecedented accuracy, as well as address the role of orbital angular momentum with respect to the nucleon spin. This talk will summarize the theoretical, experimental and technical challenges of the e+p physics program as planned at an EIC.

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