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Quenched hadrons using Wilson and O(a)-improved fermion actions at β=6.2

Christopher Michael, R.D. Kenway, B.J. Pendleton, Christopher T. Sachrajda, D.G. Richards, A.C. Irving, K.C. Bowler, G. Martinelli, S.P. Booth, D.S. Henty, J.N. Simone Orcid Logo, A.D. Simpson, P.W. Stephenson, R.M. Baxter, S. Collins, B.E. Wilkes, H. Duong, A. Hulsebos, A. McKerrell, C. McNeile, M. Prisznyak, Chris Allton Orcid Logo

Physics Letters B, Volume: 284, Issue: 3-4, Pages: 377 - 383

Swansea University Author: Chris Allton Orcid Logo

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DOI (Published version): 10.1016/0370-2693(92)90448-D

Abstract

We present the first study of the light hadron spectrum and decay constants for quenched QCD using an O(a)-improved nearest-neighbour Wilson fermion action at \beta=6.2. We compare the results with those obtained using the standard Wilson fermion action, on the same set of 18 gauge field configurati...

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Published in: Physics Letters B
ISSN: 03702693
Published: 1992
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URI: https://cronfa.swan.ac.uk/Record/cronfa28446
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spelling 2016-08-08T12:24:47.3222986 v2 28446 2016-06-02 Quenched hadrons using Wilson and O(a)-improved fermion actions at β=6.2 de706a260fa1e1e47430693e135f41c7 0000-0003-0795-124X Chris Allton Chris Allton true false 2016-06-02 SPH We present the first study of the light hadron spectrum and decay constants for quenched QCD using an O(a)-improved nearest-neighbour Wilson fermion action at \beta=6.2. We compare the results with those obtained using the standard Wilson fermion action, on the same set of 18 gauge field configurations of a 24~3 times 48 lattice. For pseudoscalar meson masses in the range 330-800MeV, we find no significant difference between the results for the two actions. The scales obtained from the string tension and mesonic sector are consistent, but differ from that derived from baryon masses. The ratio of the pseudoscalar decay constant to the vector meson mass is roughly independent of quark mass as observed experimentally, and in approximate agreement with the measured value. Journal Article Physics Letters B 284 3-4 377 383 03702693 31 12 1992 1992-12-31 10.1016/0370-2693(92)90448-D http://inspirehep.net/record/333621 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2016-08-08T12:24:47.3222986 2016-06-02T15:06:02.7688432 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Christopher Michael 1 R.D. Kenway 2 B.J. Pendleton 3 Christopher T. Sachrajda 4 D.G. Richards 5 A.C. Irving 6 K.C. Bowler 7 G. Martinelli 8 S.P. Booth 9 D.S. Henty 10 J.N. Simone 0000-0001-8515-3337 11 A.D. Simpson 12 P.W. Stephenson 13 R.M. Baxter 14 S. Collins 15 B.E. Wilkes 16 H. Duong 17 A. Hulsebos 18 A. McKerrell 19 C. McNeile 20 M. Prisznyak 21 Chris Allton 0000-0003-0795-124X 22
title Quenched hadrons using Wilson and O(a)-improved fermion actions at β=6.2
spellingShingle Quenched hadrons using Wilson and O(a)-improved fermion actions at β=6.2
Chris Allton
title_short Quenched hadrons using Wilson and O(a)-improved fermion actions at β=6.2
title_full Quenched hadrons using Wilson and O(a)-improved fermion actions at β=6.2
title_fullStr Quenched hadrons using Wilson and O(a)-improved fermion actions at β=6.2
title_full_unstemmed Quenched hadrons using Wilson and O(a)-improved fermion actions at β=6.2
title_sort Quenched hadrons using Wilson and O(a)-improved fermion actions at β=6.2
author_id_str_mv de706a260fa1e1e47430693e135f41c7
author_id_fullname_str_mv de706a260fa1e1e47430693e135f41c7_***_Chris Allton
author Chris Allton
author2 Christopher Michael
R.D. Kenway
B.J. Pendleton
Christopher T. Sachrajda
D.G. Richards
A.C. Irving
K.C. Bowler
G. Martinelli
S.P. Booth
D.S. Henty
J.N. Simone
A.D. Simpson
P.W. Stephenson
R.M. Baxter
S. Collins
B.E. Wilkes
H. Duong
A. Hulsebos
A. McKerrell
C. McNeile
M. Prisznyak
Chris Allton
format Journal article
container_title Physics Letters B
container_volume 284
container_issue 3-4
container_start_page 377
publishDate 1992
institution Swansea University
issn 03702693
doi_str_mv 10.1016/0370-2693(92)90448-D
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/333621
document_store_str 0
active_str 0
description We present the first study of the light hadron spectrum and decay constants for quenched QCD using an O(a)-improved nearest-neighbour Wilson fermion action at \beta=6.2. We compare the results with those obtained using the standard Wilson fermion action, on the same set of 18 gauge field configurations of a 24~3 times 48 lattice. For pseudoscalar meson masses in the range 330-800MeV, we find no significant difference between the results for the two actions. The scales obtained from the string tension and mesonic sector are consistent, but differ from that derived from baryon masses. The ratio of the pseudoscalar decay constant to the vector meson mass is roughly independent of quark mass as observed experimentally, and in approximate agreement with the measured value.
published_date 1992-12-31T03:34:35Z
_version_ 1763751468346638336
score 10.998116

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