Adelaide Research & Scholarship
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https://hdl.handle.net/2440/11054
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| Type: | Conference paper |
| Title: | Baryon resonances from a novel fat-link fermion action |
| Author: | Melnitchouk, W. Bilson-Thompson, S. Bonnet, F. Coddington, P. Leinweber, D. Williams, A. Zanotti, J. Zhang, J. Lee, F. |
| Citation: | Nuclear Physics B - Proceedings Supplements, 2002, vol.109, iss.1, pp.96-100 |
| Publisher: | Elsevier Science BV |
| Issue Date: | 2002 |
| ISSN: | 0920-5632 |
| Conference Name: | Workshop on Lattice Hadron Physics (9 Jul 2001 - 18 Jul 2001 : CAIRNS, AUSTRALIA) |
| Organisation: | Special Research Centre for the Subatomic Structure of Matter |
| Statement of Responsibility: | 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. X. Lee |
| Abstract: | We present first results for masses of positive and negative parity excited baryons in lattice QCD using an ∂ (a2) 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 JP = ½ − states for the two standard nucleon interpolating fields. |
| Description: | Copyright © 2002 Published by Elsevier Science B.V. All rights reserved. Copyright © 2002. Submitted to Cornell University’s online archive www.arXiv.org in 2002 by James Zanotti. Post-print sourced from www.arxiv.org. |
| DOI: | 10.1016/S0920-5632(02)01396-8 |
| Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/505717/description#description |
| Published version: | http://dx.doi.org/10.1016/S0920-5632(02)01396-8 |
| Appears in Collections: | Aurora harvest 2 Special Research Centre for the Subatomic Structure of Matter publications |
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| File | Description | Size | Format | |
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| hdl_11054.pdf | 118.96 kB | Publisher's post-print | View/Open |
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