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2+1flavor domain wall QCD on a(2  fm)3lattice: Light meson spectroscopy withLs=16

T. Yamazaki, A. Soni, R.D. Kenway, A. Yamaguchi, B.J. Pendleton, K.C. Bowler, Shigemi Ohta, Anthony D. Kennedy, Robert D. Mawhinney, S. Li, S. Sasaki, K. Hashimoto, M. Li, N.H. Christ, C. Jung, Taku Izubuchi, C. Dawson, C.M. Maynard, J. Noaki, A. Hart, Enno E. Scholz, A. Juttner, D. Saul Orcid Logo, R.J. Tweedie, M.F. Lin, M.A. Clark, D.J. Antonio, Peter A. Boyle, Thomas Charles Blum, Chris Allton Orcid Logo

Physical Review D, Volume: 76, Issue: 1

Swansea University Author: Chris Allton Orcid Logo

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DOI (Published version): 10.1103/PhysRevD.76.014504

Abstract

We present results for light meson masses and pseudoscalar decay constants from the first of a series of lattice calculations with 2+1 dynamical flavors of domain wall fermions and the Iwasaki gauge action. The work reported here was done at a fixed lattice spacing of about 0.12 fm on a 16^3\times32...

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Published in: Physical Review D
ISSN: 1550-7998 1550-2368
Published: 2007
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URI: https://cronfa.swan.ac.uk/Record/cronfa28498
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The number of sites in the fifth dimension is 16, which gives m_{res} = 0.00308(4) in these simulations. Three values of input light sea quark masses, m_l^{sea} \approx 0.85 m_s, 0.59 m_s and 0.33 m_s were used to allow for extrapolations to the physical light quark limit, whilst the heavier sea quark mass was fixed to approximately the physical strange quark mass m_s. The exact rational hybrid Monte Carlo algorithm was used to evaluate the fractional powers of the fermion determinants in the ensemble generation. 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spelling 2016-08-08T12:34:23.8147559 v2 28498 2016-06-02 2+1flavor domain wall QCD on a(2  fm)3lattice: Light meson spectroscopy withLs=16 de706a260fa1e1e47430693e135f41c7 0000-0003-0795-124X Chris Allton Chris Allton true false 2016-06-02 SPH We present results for light meson masses and pseudoscalar decay constants from the first of a series of lattice calculations with 2+1 dynamical flavors of domain wall fermions and the Iwasaki gauge action. The work reported here was done at a fixed lattice spacing of about 0.12 fm on a 16^3\times32 lattice, which amounts to a spatial volume of (2 fm)^3 in physical units. The number of sites in the fifth dimension is 16, which gives m_{res} = 0.00308(4) in these simulations. Three values of input light sea quark masses, m_l^{sea} \approx 0.85 m_s, 0.59 m_s and 0.33 m_s were used to allow for extrapolations to the physical light quark limit, whilst the heavier sea quark mass was fixed to approximately the physical strange quark mass m_s. The exact rational hybrid Monte Carlo algorithm was used to evaluate the fractional powers of the fermion determinants in the ensemble generation. We have found that f_\pi = 127(4) MeV, f_K = 157(5) MeV and f_K/f_\pi = 1.24(2), where the errors are statistical only, which are in good agreement with the experimental values. Journal Article Physical Review D 76 1 1550-7998 1550-2368 31 12 2007 2007-12-31 10.1103/PhysRevD.76.014504 http://inspirehep.net/record/742565 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2016-08-08T12:34:23.8147559 2016-06-02T15:07:04.6232397 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics T. Yamazaki 1 A. Soni 2 R.D. Kenway 3 A. Yamaguchi 4 B.J. Pendleton 5 K.C. Bowler 6 Shigemi Ohta 7 Anthony D. Kennedy 8 Robert D. Mawhinney 9 S. Li 10 S. Sasaki 11 K. Hashimoto 12 M. Li 13 N.H. Christ 14 C. Jung 15 Taku Izubuchi 16 C. Dawson 17 C.M. Maynard 18 J. Noaki 19 A. Hart 20 Enno E. Scholz 21 A. Juttner 22 D. Saul 0000-0001-6804-3320 23 R.J. Tweedie 24 M.F. Lin 25 M.A. Clark 26 D.J. Antonio 27 Peter A. Boyle 28 Thomas Charles Blum 29 Chris Allton 0000-0003-0795-124X 30
title 2+1flavor domain wall QCD on a(2  fm)3lattice: Light meson spectroscopy withLs=16
spellingShingle 2+1flavor domain wall QCD on a(2  fm)3lattice: Light meson spectroscopy withLs=16
Chris Allton
title_short 2+1flavor domain wall QCD on a(2  fm)3lattice: Light meson spectroscopy withLs=16
title_full 2+1flavor domain wall QCD on a(2  fm)3lattice: Light meson spectroscopy withLs=16
title_fullStr 2+1flavor domain wall QCD on a(2  fm)3lattice: Light meson spectroscopy withLs=16
title_full_unstemmed 2+1flavor domain wall QCD on a(2  fm)3lattice: Light meson spectroscopy withLs=16
title_sort 2+1flavor domain wall QCD on a(2  fm)3lattice: Light meson spectroscopy withLs=16
author_id_str_mv de706a260fa1e1e47430693e135f41c7
author_id_fullname_str_mv de706a260fa1e1e47430693e135f41c7_***_Chris Allton
author Chris Allton
author2 T. Yamazaki
A. Soni
R.D. Kenway
A. Yamaguchi
B.J. Pendleton
K.C. Bowler
Shigemi Ohta
Anthony D. Kennedy
Robert D. Mawhinney
S. Li
S. Sasaki
K. Hashimoto
M. Li
N.H. Christ
C. Jung
Taku Izubuchi
C. Dawson
C.M. Maynard
J. Noaki
A. Hart
Enno E. Scholz
A. Juttner
D. Saul
R.J. Tweedie
M.F. Lin
M.A. Clark
D.J. Antonio
Peter A. Boyle
Thomas Charles Blum
Chris Allton
format Journal article
container_title Physical Review D
container_volume 76
container_issue 1
publishDate 2007
institution Swansea University
issn 1550-7998
1550-2368
doi_str_mv 10.1103/PhysRevD.76.014504
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/742565
document_store_str 0
active_str 0
description We present results for light meson masses and pseudoscalar decay constants from the first of a series of lattice calculations with 2+1 dynamical flavors of domain wall fermions and the Iwasaki gauge action. The work reported here was done at a fixed lattice spacing of about 0.12 fm on a 16^3\times32 lattice, which amounts to a spatial volume of (2 fm)^3 in physical units. The number of sites in the fifth dimension is 16, which gives m_{res} = 0.00308(4) in these simulations. Three values of input light sea quark masses, m_l^{sea} \approx 0.85 m_s, 0.59 m_s and 0.33 m_s were used to allow for extrapolations to the physical light quark limit, whilst the heavier sea quark mass was fixed to approximately the physical strange quark mass m_s. The exact rational hybrid Monte Carlo algorithm was used to evaluate the fractional powers of the fermion determinants in the ensemble generation. We have found that f_\pi = 127(4) MeV, f_K = 157(5) MeV and f_K/f_\pi = 1.24(2), where the errors are statistical only, which are in good agreement with the experimental values.
published_date 2007-12-31T03:34:41Z
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score 11.013148

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