A Lattice Study of the Glue in the Nucleon
arXiv:1205.6410 · doi:10.1016/j.physletb.2012.07.004
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.
11 pages, 3 figures, typos corrected, published version (Phys. Lett. B)
References in corpus (4)
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