Baryon resonances from a novel fat-link fermion action
  We present first results for masses of positive and negative parity excited baryons in lattice QCD using an O(a^2) improved gluon action and a Fat Link Irrelevant Clover (FLIC) fermion action in which only the irrelevant operators are constructed with fat links. The results are in agreement with earlier calculations of N^* resonances using improved actions and exhibit a clear mass splitting between the nucleon and its chiral partner, even for the Wilson fermion action. The results also indicate a splitting between the lowest J^P = 1/2^- states for the two standard nucleon interpolating fields. 
W.Melnitchouk, S.Bilson-Thompson, F.D.R.Bonnet, P.D.Coddington,   D.B.Leinweber, A.G.Williams, J.M.Zanotti, J.B.Zhang and F....