Directly calculating the glue component of the nucleon in lattice QCD: QCDSF–UKQCD–CSSM Collaborations oleh Howson T. L., Horsley R., Kamleh W., Nakamura Y., Perlt H., Rakow P. E. L., Schierholz G., Stüben H., Young R. D., Zanotti J. M.