Pion structure function in nuclear medium

Details Pion structure function in nuclear medium Pion structure function in nuclear medium

1995-05-17

arxiv.org/abs/hep-ph/9505325v1

Phys.Lett. B368 (1996) 1-6

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages (LaTeX), 5 figures are available as uuencoded PS files upon request

Scientific paper

10.1016/0370-2693(95)01462-4

We study the pion structure function in nuclear medium using the Nambu and Jona-Lasinio model, and its implication for the nuclear pion enhancement of the sea quark distribution in nuclei. By using the operator product expansion, medium effect of the nuclear matter is incorporated in calculations of the twist-2 operators. We find density dependence of the pion structure function is rather weak around the nuclear matter density. We also discuss how the medium modification of the pion structure affects the sea quark enhancement in the nucleus.

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