Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1996-03-10
Nucl.Phys.B472:309-333,1996
Physics
High Energy Physics
High Energy Physics - Lattice
28 pages, uuencoded Z-compressed postscript file. Also available from http://www.desy.de/pub/preprints/desy/1996
Scientific paper
10.1016/0550-3213(96)00217-9
Our aim is to compute the lower moments of the unpolarized and polarized deep-inelastic structure functions of the nucleon on the lattice. The theoretical basis of the calculation is the operator product expansion. To construct operators with the appropriate continuum behavior out of the bare lattice operators one must absorb the effects of momentum scales far greater than any physical scale into a renormalization of the operators. In this work we compute the renormalization constants of all bilinear quark operators of leading twist and spin up to four. The calculation is done for Wilson fermions and in the quenched approximation where dynamical quark loops are neglected.
Göckeler Meinulf
Horsley Roger
Ilgenfritz Ernst-Michael
Perlt Holger
Rakow Paul
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