A Positive Test for Fermi-Dirac Distributions of Quark-Partons

Abstract

By describing a large class of deep inelastic processes with standard parameterization for the different parton species, we check the characteristic relationship dictated by Pauli principle: broader shapes for higher first moments. Indeed, the ratios between the second and the first moment and the one between the third and the second moment for the valence partons is an increasing function of the first moment and agrees quantitatively with the values found with Fermi-Dirac distributions.

15 pages LaTeX, 2 eps figures. Final version, to appear in Mod. Phys. Lett. A

References in corpus (2)

• Determination of the Bjorken Sum and Strong Coupling from Polarized Structure Functions
• Observation of Events at Very High Q^2 in ep Collisions at HERA

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