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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, pp.973c-976c
Publisher: Elsevier Science BV
Issue Date: 2000
ISSN: 0375-9474
Conference Name: UPPSALA, SWEDEN)
Statement of
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
RMID: 0001001554
DOI: 10.1016/S0375-9474(99)00742-3
Appears in Collections:Special Research Centre for the Subatomic Structure of Matter publications

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