Wednesday, June 27, 2012

1206.6014 (Elke C. Aschenauer et al.)

Helicity Parton Distributions at a Future Electron-Ion Collider: A
Quantitative Appraisal
   [PDF]

Elke C. Aschenauer, Rodolfo Sassot, Marco Stratmann
We present a quantitative assessment of the impact a future electron-ion collider will have on determinations of helicity quark and gluon densities and their contributions to the proton spin. Our results are obtained by performing a series of global QCD analyses at next-to-leading order accuracy based on realistic sets of pseudo-data for the inclusive and semi-inclusive deep-inelastic scattering of longitudinally polarized electrons and protons at different, conceivable center-of-mass system energies.
View original: http://arxiv.org/abs/1206.6014

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