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    TH Meeting on Particle Physics Phenomenology

    Quarks and the spin of the nucleon

    by Harald Fritzsch (Sektion Physik, Universität München)

    → Europe/Zurich
    TH Auditorium (CERN)

    TH Auditorium

    CERN
    Description
    We study the spin structure of the constituent quarks in a simple model. The QCD anomaly plays an important role and reduces the spin contribution of the quarks. The gluon contribution to the nucleon spin is 45 %.