Spin Structure of the Nucleon
J. Nassalski
Abstract
New experimental results on the spin dependent structure functions g1 and g2 which are determined from deep-inelastic scattering experiments at CERN, SLAC and DESY are reported. These results are used to evaluate the Bjorken sum rule and the singlet axial charge a0. Results are discussed in the framework of next-to-leading order perturbative QCD. The role of the polarised gluons in the interpretation of the results on a0 is emphasised. New experiments which aim to determine gluon polarisation are shortly described.
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