Adelaide Research & Scholarship
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https://hdl.handle.net/2440/18042
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| Type: | Conference paper |
| Title: | Observing chiral nonanalytic behavior with FLIC fermions |
| Author: | Leinweber, D. Thomas, A. Williams, A. Young, R. Zanotti, J. Zhang, J. von Neumann, J. |
| Citation: | Nuclear Physics A, 2004, vol.737, iss.SUPPL., pp.177-181 |
| Publisher: | Elsevier Science BV |
| Issue Date: | 2004 |
| ISSN: | 0375-9474 |
| Conference Name: | 17th IInternational Conference on Few-Body Problems in Physics (Few-Body 17) (5 Jun 2003 - 10 Jun 2003 : Durham, NC) |
| Statement of Responsibility: | D.B. Leinweber, A.W. Thomas, A.G. Williams, R.D. Young, J.M. Zanotti and J.B. Zhang |
| Abstract: | First results from lattice QCD revealing the chiral nonanalytic behavior of nucleon and Delta baryon magnetic moments are presented. Numerical simulations in the light quark mass regime employing the nonperturbatively O(a)-improved conserved vector current are enabled via FLIC fermions. Quenched chiral perturbation theory for the nucleon and Delta magnetic moments is derived to next to next to leading nonanalytic order. Numerical simulation results for the proton and Delta baryon magnetic moments in quenched QCD reveal dramatic signatures of the quenched meson cloud, which are in accord with the predictions of quenched chiral perturbation theory. |
| Description: | Copyright © 2004 Published by Elsevier B.V. Printed in U.S.A. Submitted to Cornell University’s online archive www.arXiv.org in 2004 by Derek B. Leinweber. Post-print sourced from www.arxiv.org. |
| DOI: | 10.1016/S0375-9474(04)00312-4 |
| Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/505715/description#description |
| Published version: | http://dx.doi.org/10.1016/j.nuclphysa.2004.03.060 |
| Appears in Collections: | Aurora harvest 6 Physics publications |
Files in This Item:
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| hdl_18042.pdf | 92.28 kB | Publisher's post-print | View/Open |
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