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Type: Journal article
Title: Electromagnetic form factors with FLIC fermions
Author: Zanotti, J.
Leinweber, D.
Williams, A.
Zhang, J.
Citation: Nuclear Physics B-Proceedings Supplements, 2004; 129-130:287-289
Publisher: Elsevier Science BV
Issue Date: 2004
ISSN: 0920-5632
Abstract: The Fat-Link Irrelevant Clover (FLIC) fermion action provides a new form of nonperturbative (a) improvement and allows efficient access to the light quark-mass regime. FLIC fermions enable the construction of the nonperturbatively (a)-improved conserved vector current without the difficulties associated with the fine tuning of the improvement coefficients. The simulations are performed with an (a2) mean-field improved plaquette-plus-rectangle gluon action on a 203 × 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.
Description: Copyright © 2004. Elsevier B.V. Submitted to Cornell University’s online archive in 2004 by James Zanotti. Post-print sourced from
RMID: 0020040840
DOI: 10.1016/S0920-5632(03)02558-1
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