Titlebook: High Energy Spin Physics; Volume 1: Conference Karl-Heinz Althoff,Werner Meyer Conference proceedings 1991 Springer-Verlag Berlin Heidelber

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Polarization Observables in Photo- and Electro-ProductionThis talk is focused on the general nature of polarization observables in studies of photo- and electro-production.

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Quantum Chromodynamics in Exclusive Processesuniversal process independent distribution amplitudes (DA) with an amplitude representing the scattering of constituents. The DA’s specify the distribution of the longitudinal momentum fractions the constituents carry inside their parent hadrons. They are the wave functions of constituent Fock state

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Magnetic Moments of the Baryons: An Experimental Reviewilders. These measurements show that a simple quark model describes most of the salient features. However, the significant discrepancies have raised fundamental questions about baryon structure and produced a steady stream of theoretical papers. I would like to briefly review the technology for maki

Critical

Hyperon Polarization at High Energyrgy protons./1/ Unpolarized protons interacting with any target produce polarized Λ, ∑., ∑., ∑.,Ξ., and Ξ.when the produced hyperon is in the fragmentation region of the incident proton. On the other hand Ω. and anti-Λ produced the same way are unpolarized. There is as yet no consensus on the origin

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Experiments with Spin at PSI targets have a long tradition at SIN/PSI. Rather than reviewing the history I shall concentrate on recent results which will serve to illustrate some of the physical issues. I shall start with experiments concerning elementary and few nucleon interactions at the injector cyclotron and proceed to ex

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