Elsevier

Nuclear Physics A

Volume 579, Issues 3–4, 24 October 1994, Pages 413-437
Nuclear Physics A

Meson structure in deep inelastic scattering

https://doi.org/10.1016/0375-9474(94)90916-4Get rights and content

Abstract

We study the deep inelastic structure functions of mesons within the Nambu and Jona-Lasinio model. We calculate the valence-quark distributions in π-, K- and ϱ-mesons at the low-energy model scale, which are evoluted to the experimental momentum scale in terms of the Altarelli-Parisi equation. The resulting distribution functions show reasonable agreements with experiment. We also discuss the semi-inclusive lepton-nucleon scattering process with aslow nucleon in coincidence in the final state, which reveals the off-shell structure of the pion.

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    Also at: RIKEN, Wako, Saitama, 351, Japan.

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