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A Lattice Study of the Glue in the Nucleon

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arxiv 1205.6410 v2 pith:OKZTT7ND submitted 2012-05-29 hep-lat hep-phnucl-th

A Lattice Study of the Glue in the Nucleon

classification hep-lat hep-phnucl-th
keywords methodnucleonactionadditionalcalculatechromo-electricchromo-magneticcomponents
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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.

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