Higher twists in the pion structure function

Details Higher twists in the pion structure function Higher twists in the pion structure function

2003-03-17

arxiv.org/abs/hep-ph/0303140v1

Phys.Rev. D67 (2003) 077502

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 3 figures, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.67.077502

We calculate the QCD moments of the pion structure function using Drell-Yan
data on the quark distributions in the pion and a phenomenological model for
the resonance region. The extracted higher twist corrections are found to be
larger than those for the nucleon, contributing around 50% of the lowest moment
at Q^2=1 GeV^2.

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