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https://hdl.handle.net/2440/11034
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Type: | Conference paper |
Title: | Chiral corrections to baryon masses calculated within lattice QCD |
Author: | Thomas, A. Leinweber, D. Tsushima, K. Wright, S. |
Citation: | Nuclear Physics A, 2000, vol.663&664, iss.1-2, pp.973c-976c |
Publisher: | Elsevier Science BV |
Issue Date: | 2000 |
ISSN: | 0375-9474 |
Conference Name: | 15th International Conference on Particles and Nuclei (10 Jun 1999 - 16 Jun 1999 : UPPSALA, SWEDEN) |
Statement of Responsibility: | Anthony W. Thomas, Derek B. Leinweber, Kazuo Tsushima and Stewart V. Wright |
Abstract: | Consideration of the analytic properties of pion-induced baryon self energies leads to new functional forms for the extrapolation of light baryon masses. These functional forms reproduce the leading non-analytic behavior of chiral perturbation theory, the correct non-analytic behavior at the $N \pi$ threshold and the appropriate heavy-quark limit. They involve only three unknown parameters, which may be obtained by fitting lattice QCD data. Recent dynamical fermion results from CP-PACS and UKQCD are extrapolated using these new functional forms. We also use these functions to probe the limit of applicability of chiral perturbation theory. |
Description: | Contribution to the Proceedings of the 15th Particles and Nuclei International Conference (PANIC 99), Uppsala, Sweden, June 10-16, 1999 |
DOI: | 10.1016/S0375-9474(99)00742-3 |
Published version: | http://dx.doi.org/10.1016/S0375-9474(99)00742-3 |
Appears in Collections: | Aurora harvest 7 Special Research Centre for the Subatomic Structure of Matter publications |
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