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Quenched light hadron mass spectrum and decay constants: The effects of O(a) improvement at β = 6.2

Christopher Michael, R.D. Kenway, B.J. Pendleton, Christopher T. Sachrajda, D.G. Richards, K.C. Bowler, S.P. Booth, D.S. Henty, J.N. Simone Orcid Logo, A.D. Simpson, R.M. Baxter, S. Collins, A. McKerrell, C. McNeile, M. Prisznyak, Chris Allton Orcid Logo

Nuclear Physics B, Volume: 407, Issue: 2, Pages: 331 - 355

Swansea University Author: Chris Allton Orcid Logo

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DOI (Published version): 10.1016/0550-3213(93)90061-S

Abstract

We compare the light hadron spectrum and decay constants for quenched QCD at $\beta=6.2$ using an $O(a)$-improved nearest-neighbour Wilson fermion action with those obtained using the standard Wilson fermion action on the same set of 18 gauge configurations. For pseudoscalar meson masses in the rang...

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Published in: Nuclear Physics B
ISSN: 05503213
Published: 1993
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URI: https://cronfa.swan.ac.uk/Record/cronfa28445
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spelling 2016-08-08T12:25:21.6741547 v2 28445 2016-06-02 Quenched light hadron mass spectrum and decay constants: The effects of O(a) improvement at β = 6.2 de706a260fa1e1e47430693e135f41c7 0000-0003-0795-124X Chris Allton Chris Allton true false 2016-06-02 SPH We compare the light hadron spectrum and decay constants for quenched QCD at $\beta=6.2$ using an $O(a)$-improved nearest-neighbour Wilson fermion action with those obtained using the standard Wilson fermion action on the same set of 18 gauge configurations. 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 increases slowly with quark mass as observed experimentally. Journal Article Nuclear Physics B 407 2 331 355 05503213 31 12 1993 1993-12-31 10.1016/0550-3213(93)90061-S http://inspirehep.net/record/356390 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2016-08-08T12:25:21.6741547 2016-06-02T15:06:00.7408302 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 K.C. Bowler 6 S.P. Booth 7 D.S. Henty 8 J.N. Simone 0000-0001-8515-3337 9 A.D. Simpson 10 R.M. Baxter 11 S. Collins 12 A. McKerrell 13 C. McNeile 14 M. Prisznyak 15 Chris Allton 0000-0003-0795-124X 16
title Quenched light hadron mass spectrum and decay constants: The effects of O(a) improvement at β = 6.2
spellingShingle Quenched light hadron mass spectrum and decay constants: The effects of O(a) improvement at β = 6.2
Chris Allton
title_short Quenched light hadron mass spectrum and decay constants: The effects of O(a) improvement at β = 6.2
title_full Quenched light hadron mass spectrum and decay constants: The effects of O(a) improvement at β = 6.2
title_fullStr Quenched light hadron mass spectrum and decay constants: The effects of O(a) improvement at β = 6.2
title_full_unstemmed Quenched light hadron mass spectrum and decay constants: The effects of O(a) improvement at β = 6.2
title_sort Quenched light hadron mass spectrum and decay constants: The effects of O(a) improvement 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
K.C. Bowler
S.P. Booth
D.S. Henty
J.N. Simone
A.D. Simpson
R.M. Baxter
S. Collins
A. McKerrell
C. McNeile
M. Prisznyak
Chris Allton
format Journal article
container_title Nuclear Physics B
container_volume 407
container_issue 2
container_start_page 331
publishDate 1993
institution Swansea University
issn 05503213
doi_str_mv 10.1016/0550-3213(93)90061-S
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/356390
document_store_str 0
active_str 0
description We compare the light hadron spectrum and decay constants for quenched QCD at $\beta=6.2$ using an $O(a)$-improved nearest-neighbour Wilson fermion action with those obtained using the standard Wilson fermion action on the same set of 18 gauge configurations. 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 increases slowly with quark mass as observed experimentally.
published_date 1993-12-31T03:34:35Z
_version_ 1763751468218712064
score 10.950203

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