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https://hdl.handle.net/2440/17568
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Type: | Journal article |
Title: | Chiral and continuum extrapolation of partially-quenched lattice results |
Author: | Allton, C. Armour, W. Leinweber, D. Thomas, A. Young, R. |
Citation: | Physics Letters B: Nuclear Physics and Particle Physics, 2005; 628(1-2):125-130 |
Publisher: | Elsevier Science BV |
Issue Date: | 2005 |
ISSN: | 0370-2693 1873-2445 |
Statement of Responsibility: | C.R. Allton, W. Armour, D.B. Leinweber, A.W. Thomas and R.D. Young |
Abstract: | The vector meson mass is extracted from a large sample of partially quenched, two-flavor lattice QCD simulations. For the first time, discretisation, finite-volume and partial quenching artefacts are treated in a unified framework which is consistent with the low-energy behaviour of QCD. This analysis incorporates the leading infrared behaviour dictated by chiral effective field theory. As the two-pion decay channel cannot be described by a low-energy expansion alone, a highly-constrained model for the decay channel of the rho-meson is introduced. The latter is essential for extrapolating lattice results from the quark-mass regime where the rho is observed to be a physical bound state. © 2005 Elsevier B.V. All rights reserved. |
Description: | Copyright © 2005 Elsevier B.V. All rights reserved. |
DOI: | 10.1016/j.physletb.2005.09.020 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/505706/description#description |
Published version: | http://dx.doi.org/10.1016/j.physletb.2005.09.020 |
Appears in Collections: | Aurora harvest 6 Special Research Centre for the Subatomic Structure of Matter publications |
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