2003/09/30 by J. M. Zanotti, D. B. Leinweber, Derek B. Leinweber +4 · 12 citations
Physics and Astronomy · #Baryon #Fermion #High-Energy Particle Collisions Research #Lattice (music) #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum electrodynamics #Quark #hep-lat
paper · pdf · doi:10.1016/s0920-5632(03)02558-1
published in Nuclear Physics B - Proceedings Supplements 129-130, 287-289 (Elsevier BV) · Lattice2003 (matrix), 3 pages, 3 figures
arxiv created 2003/09/30 · openalex publication_date 2004/03/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The Fat-Link Irrelevant Clover (FLIC) fermion action provides a new form of nonperturbative O(a) improvement and allows efficient access to the light quark-mass regime. FLIC fermions enable the construction of the nonperturbatively O(a)-improved conserved vector current without the difficulties associated with the fine tuning of the improvement coefficients. The simulations are performed with an O(a2) mean-field improved plaquette-plus-rectangle gluon action on a 203 x 40 lattice with a lattice spacing of 0.128 fm, enabling the first simulation of baryon form factors at light quark masses on a large volume lattice. Magnetic moments, electric charge radii and magnetic radii are extracted from these form factors, and show interesting chiral nonanalytic behavior in the light quark mass regime.