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FLIC Fermions and Hadron Phenomenology | | D. B. Leinweber
; J. N. Hedditch
; W. Melnitchouk
; A. W. Thomas
; A.G. Williams
; R. D. Young
; J. M. Zanotti
; J. B. Zhang
; | | Date: |
6 Nov 2002 | | Subject: | nucl-th hep-lat hep-ph | | Affiliation: | CSSM, U. Adelaide), W. Melnitchouk (Jefferson Lab.), A. W. Thomas, A.G. Williams, R. D. Young, J. M. Zanotti and J. B. Zhang (CSSM, U. Adelaide | | Abstract: | A pedagogical overview of the formulation of the Fat Link Irrelevant Clover (FLIC) fermion action and its associated phenomenology is described. The scaling analysis indicates FLIC fermions provide a new form of nonperturbative O(a) improvement where near-continuum results are obtained at finite lattice spacing. Spin-1/2 and spin-3/2, even and odd parity baryon resonances are investigated in quenched QCD, where the nature of the Roper resonance and Lambda(1405) are of particular interest. FLIC fermions allow efficient access to the light quark-mass regime, where evidence of chiral nonanalytic behavior in the Delta-baryon mass is observed. | | Source: | arXiv, nucl-th/0211014 | | Services: | Forum | Review | PDF | Favorites | |
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