Eur. Phys. J. C (2005) 44: 59-61
https://doi.org/10.1140/epjc/s2005-02311-1
https://doi.org/10.1140/epjc/s2005-02311-1
theoretical physics
The spin structure of the constituent quarks and of the nucleon
University of Munich, Theresienstraße 37, 80333, München, Germany
* e-mail: fritzsch@mppmu.mpg.de
We define a constituent quark within QCD. It is shown that the spin of such a quark and hence also the spin of the nucleon is a complex phenomenon. We discuss it in view of the experimental data.
© Springer-Verlag, 2005