Constituent quarks and g1
1 Max Planck Institut für Kernphysik, Postfach 103 980, D-69029 Heidelberg,
Germany
2 Institut für Theoretische Physik, Physik Department, Technische Universität München,
D-85747 Garching, Germany
Received: 7 January 1999 / Revised version: 12 February 1999 Communicated by W. Weise
Abstract
We review the theory and present status of the proton spin problem with
emphasis on the transition between current quarks and constituent
quarks in QCD.
PACS
13.60.Hb Total and inclusive cross sections (including deep-inelastic processes) -
13.88.+e Polarization in interactions and scattering -
12.38.-t Quantum chromodynamics
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