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Chiral and continuum extrapolation of partially-quenched lattice results

Thomas Anthony Orcid Logo, Derek Bruce Leinweber, Ross Daniel Young, W. Armour, Chris Allton Orcid Logo

Physics Letters B, Volume: 628, Issue: 1-2, Pages: 125 - 130

Swansea University Author: Chris Allton Orcid Logo

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DOI (Published version): 10.1016/j.physletb.2005.09.020

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 analys...

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Published in: Physics Letters B
ISSN: 03702693
Published: 2005
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa28478
first_indexed 2016-06-02T18:23:38Z
last_indexed 2018-02-09T05:12:38Z
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spelling 2016-08-08T12:36:41.3467544 v2 28478 2016-06-02 Chiral and continuum extrapolation of partially-quenched lattice results de706a260fa1e1e47430693e135f41c7 0000-0003-0795-124X Chris Allton Chris Allton true false 2016-06-02 BGPS 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. Journal Article Physics Letters B 628 1-2 125 130 03702693 31 12 2005 2005-12-31 10.1016/j.physletb.2005.09.020 http://inspirehep.net/record/681607 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University 2016-08-08T12:36:41.3467544 2016-06-02T15:06:41.6286923 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Thomas Anthony 0000-0003-0026-499X 1 Derek Bruce Leinweber 2 Ross Daniel Young 3 W. Armour 4 Chris Allton 0000-0003-0795-124X 5
title Chiral and continuum extrapolation of partially-quenched lattice results
spellingShingle Chiral and continuum extrapolation of partially-quenched lattice results
Chris Allton
title_short Chiral and continuum extrapolation of partially-quenched lattice results
title_full Chiral and continuum extrapolation of partially-quenched lattice results
title_fullStr Chiral and continuum extrapolation of partially-quenched lattice results
title_full_unstemmed Chiral and continuum extrapolation of partially-quenched lattice results
title_sort Chiral and continuum extrapolation of partially-quenched lattice results
author_id_str_mv de706a260fa1e1e47430693e135f41c7
author_id_fullname_str_mv de706a260fa1e1e47430693e135f41c7_***_Chris Allton
author Chris Allton
author2 Thomas Anthony
Derek Bruce Leinweber
Ross Daniel Young
W. Armour
Chris Allton
format Journal article
container_title Physics Letters B
container_volume 628
container_issue 1-2
container_start_page 125
publishDate 2005
institution Swansea University
issn 03702693
doi_str_mv 10.1016/j.physletb.2005.09.020
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
url http://inspirehep.net/record/681607
document_store_str 0
active_str 0
description 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.
published_date 2005-12-31T03:53:34Z
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score 11.039009

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