文章基本信息

标题：Update on disconnected contributions to hadronic structure.
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作者：S. Collins ; G. Bali ; A. Nobile 等
期刊名称：PoS - Proceedings of Science
印刷版ISSN：1824-8039
出版年度：2010
卷号：2010
出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：We present an update of an on-going project to determine the disconnected contributions to hadronic structure, specifically, the scalar matrix element, hN| ¯ qq|Ni, and the quark contribution to the spin of the nucleon Dq = hN| ¯ qgmg5q|Ni/mN.