Evolution equations for connected and disconnected sea parton distributions

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18 Scopus citations


It has been revealed from the path-integral formulation of the hadronic tensor that there are connected sea and disconnected sea partons. The former is responsible for the Gottfried sum rule violation primarily and evolves the same way as the valence. Therefore, the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi evolution equations can be extended to accommodate them separately. We discuss its consequences and implications vis-á-vis lattice calculations.

Original languageEnglish
Article number033001
JournalPhysical Review D
Issue number3
StatePublished - Aug 1 2017

Bibliographical note

Funding Information:
This work is partially support by the U.S. Department of Energy Grant No. DE-SC0013065. The author is indebted to Pavel Nadolsky for his notes and T. J. Hou, J. C. Peng, W. K. Tung, and C.-P. Yuan for many insightful discussions.

Publisher Copyright:
© 2017 American Physical Society.

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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