arxiv: hep-ph/0301026 · v1 · pith:KLEAZ4XNnew · submitted 2003-01-06 · ✦ hep-ph

Confinement and cut-off: a model for the pion quark distribution function

P. Stassart , F. Bissey , J.-R. Cudell , J. Cugnon , M. Jaminon , J.-P. Lansberg This is my paper

classification ✦ hep-ph

keywords pionfunctionquarkcut-offdistributionmodelallowsamplitude

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The pion structure function is investigated in a simple pseudo-scalar coupling model of pion and constituent quark fields. The imaginary part of the forward Compton scattering amplitude is evaluated. We show that the introduction of non-perturbative effects, linked through a cut-off to the size of the pion, allows the reproduction of important features of the pion quark distribution function.

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Confinement and cut-off: a model for the pion quark distribution function

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