A lattice study of the glue in the nucleon

Roger Horsley, R. Millo, Yoshifumi Nakamura, Holger Perlt, Dirk Pleiter, P.E.L. Rakow, G. Schierholz, A. Schiller, F. Winter, J.M. Zanotti

Research output: Contribution to journalArticlepeer-review

Abstract

By introducing an additional operator into the action and using the Feynman-Hellmann theorem we describe a method to determine both the quark line connected and disconnected terms of matrix elements. As an illustration of the method we calculate the gluon contribution (chromo-electric and chromo-magnetic components) to the nucleon mass.
Original languageEnglish
Pages (from-to)312-316
Number of pages5
JournalPhysics Letters B
Volume714
Issue number2-5
DOIs
Publication statusPublished - 14 Aug 2012

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