Group-theoretical construction of extended baryon operators
  The design and implementation of large sets of spatially extended baryon operators for use in lattice simulations are described. The operators are constructed to maximize overlaps with the low-lying states of interest, while minimizing the number of sources needed in computing the required quark propagators. 
S.Basak, R.Edwards, R.Fiebig, G.T.Fleming, U.M.Heller, C.Morningstar,   D.Richards, I.Sato, S.Wallace