Flavor asymmetry of light quarks in the nucleon sea

G. T. Garvey, J. C. Peng

Research output: Contribution to journalArticlepeer-review


A surprisingly large asymmetry between the up and down sea quark distributions in the nucleon has been observed in recent deep inelastic scattering and Drell-Yan experiments. This result strongly suggests that the mesonic degrees of freedom play an important role in the description of the paxton distributions of the hadronic sea. In this article, we review the current status of our knowledge of the flavor structure of the nucleon sea. The implications of various theoretical models as well as possible future measurements are also discussed.

Original languageEnglish (US)
Pages (from-to)203-243
Number of pages41
JournalProgress in Particle and Nuclear Physics
Issue number1
StatePublished - 2001
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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