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hep-ph1999
Polarized Parton Densities and Processes
M. Stratmann
The main goals of `spin physics' are recalled, and some theoretical and phenomenological aspects of longitudinally polarized deep inelastic scattering and other hard processes are…
hep-ph1999
Towards the Parton Densities of Polarized Photons at HERA
M. Stratmann, W. Vogelsang
Di-jet photoproduction in polarized ep collisions at HERA is studied as a possible tool to determine the parton content of circularly polarized photons. The concept of the `effecti…