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A high statistics lattice calculation of heavy-light meson decay constants

F. Rapuano, G. Martinelli, M. Crisafulli, Leonardo Giusti, L. Conti, Chris Allton Orcid Logo

Physics Letters B, Volume: 405, Issue: 1-2, Pages: 133 - 141

Swansea University Author: Chris Allton Orcid Logo

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DOI (Published version): 10.1016/S0370-2693(97)00580-7

Abstract

We present a high statistics study of the D- and B-meson decay constants. The results were obtained by using the Clover and Wilson lattice actions at two different values of the lattice spacing $a$, corresponding to $\beta=6.0$ and 6.2. After a careful analysis of the systematic errors present in th...

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Published in: Physics Letters B
ISSN: 03702693
Published: 1997
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URI: https://cronfa.swan.ac.uk/Record/cronfa28494
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first_indexed 2016-06-02T18:23:41Z
last_indexed 2018-02-09T05:12:41Z
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spelling 2016-08-08T12:35:49.6942623 v2 28494 2016-06-02 A high statistics lattice calculation of heavy-light meson decay constants de706a260fa1e1e47430693e135f41c7 0000-0003-0795-124X Chris Allton Chris Allton true false 2016-06-02 SPH We present a high statistics study of the D- and B-meson decay constants. The results were obtained by using the Clover and Wilson lattice actions at two different values of the lattice spacing $a$, corresponding to $\beta=6.0$ and 6.2. After a careful analysis of the systematic errors present in the extraction of the physical results, by assuming quite conservative discretization errors, we find $f_{D_s}=237 \pm 16$ MeV, $f_{D} = 221 \pm 17$ MeV ($f_{D_s}/f_D=1.07(4)$), $f_{B_s} = 205 \pm 35$ MeV, $f_{B} = 180 \pm 32$ MeV ($f_{B_s}/f_B=1.14(8)$), in good agreement with previous estimates. Journal Article Physics Letters B 405 1-2 133 141 03702693 31 12 1997 1997-12-31 10.1016/S0370-2693(97)00580-7 http://inspirehep.net/record/440850 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2016-08-08T12:35:49.6942623 2016-06-02T15:06:58.3987998 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics F. Rapuano 1 G. Martinelli 2 M. Crisafulli 3 Leonardo Giusti 4 L. Conti 5 Chris Allton 0000-0003-0795-124X 6
title A high statistics lattice calculation of heavy-light meson decay constants
spellingShingle A high statistics lattice calculation of heavy-light meson decay constants
Chris Allton
title_short A high statistics lattice calculation of heavy-light meson decay constants
title_full A high statistics lattice calculation of heavy-light meson decay constants
title_fullStr A high statistics lattice calculation of heavy-light meson decay constants
title_full_unstemmed A high statistics lattice calculation of heavy-light meson decay constants
title_sort A high statistics lattice calculation of heavy-light meson decay constants
author_id_str_mv de706a260fa1e1e47430693e135f41c7
author_id_fullname_str_mv de706a260fa1e1e47430693e135f41c7_***_Chris Allton
author Chris Allton
author2 F. Rapuano
G. Martinelli
M. Crisafulli
Leonardo Giusti
L. Conti
Chris Allton
format Journal article
container_title Physics Letters B
container_volume 405
container_issue 1-2
container_start_page 133
publishDate 1997
institution Swansea University
issn 03702693
doi_str_mv 10.1016/S0370-2693(97)00580-7
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/440850
document_store_str 0
active_str 0
description We present a high statistics study of the D- and B-meson decay constants. The results were obtained by using the Clover and Wilson lattice actions at two different values of the lattice spacing $a$, corresponding to $\beta=6.0$ and 6.2. After a careful analysis of the systematic errors present in the extraction of the physical results, by assuming quite conservative discretization errors, we find $f_{D_s}=237 \pm 16$ MeV, $f_{D} = 221 \pm 17$ MeV ($f_{D_s}/f_D=1.07(4)$), $f_{B_s} = 205 \pm 35$ MeV, $f_{B} = 180 \pm 32$ MeV ($f_{B_s}/f_B=1.14(8)$), in good agreement with previous estimates.
published_date 1997-12-31T03:34:41Z
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score 11.037166

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