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A high statistics lattice calculation of using the clover action

N. Cabibbo, F. Marzano, F. Rapuano, A. Vladikas, G. Salina, S. Cabasino, G. Martinelli, G.M. Todesco, W. Tross, V. Lubicz, M. Crisafulli, C. Battista, P.S. Paolucci, J. Pech, R. Sarno, M. Torelli, P. Vicini, A. Bartoloni, Chris Allton Orcid Logo

Physics Letters B, Volume: 326, Issue: 3-4, Pages: 295 - 302

Swansea University Author: Chris Allton Orcid Logo

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DOI (Published version): 10.1016/0370-2693(94)91325-0

Abstract

We present a calculation of $f_B$ in the static limit, obtained by numerical simulation of quenched QCD, at $\beta=6.2$ on a $18~3 \times 64$ lattice, using the SW-Clover quark action. The decay constant has been extracted by studying heavy(static)-light correlation functions of different smeared op...

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Published in: Physics Letters B
ISSN: 03702693
Published: 1994
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URI: https://cronfa.swan.ac.uk/Record/cronfa28496
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spelling 2016-08-08T12:35:07.8231299 v2 28496 2016-06-02 A high statistics lattice calculation of using the clover action de706a260fa1e1e47430693e135f41c7 0000-0003-0795-124X Chris Allton Chris Allton true false 2016-06-02 SPH We present a calculation of $f_B$ in the static limit, obtained by numerical simulation of quenched QCD, at $\beta=6.2$ on a $18~3 \times 64$ lattice, using the SW-Clover quark action. The decay constant has been extracted by studying heavy(static)-light correlation functions of different smeared operators, on a sample of 220 gauge field configurations. We have obtained $f_B~{static}=(290 \pm 15 \pm 45)$ MeV, where the first error comes from the uncertainty in the determination of the matrix element and the second comes from the uncertainty in the lattice spacing. We also obtain $M_{B_s}-M_{B_d}= (70 \pm 10)$ MeV and $f~{stat}_{B_s}/f~{stat}_{B_d}=1.11(3)$. A comparison of our results with other calculations of the same quantity is made. Journal Article Physics Letters B 326 3-4 295 302 03702693 31 12 1994 1994-12-31 10.1016/0370-2693(94)91325-0 http://inspirehep.net/record/373765 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2016-08-08T12:35:07.8231299 2016-06-02T15:07:01.6592207 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics N. Cabibbo 1 F. Marzano 2 F. Rapuano 3 A. Vladikas 4 G. Salina 5 S. Cabasino 6 G. Martinelli 7 G.M. Todesco 8 W. Tross 9 V. Lubicz 10 M. Crisafulli 11 C. Battista 12 P.S. Paolucci 13 J. Pech 14 R. Sarno 15 M. Torelli 16 P. Vicini 17 A. Bartoloni 18 Chris Allton 0000-0003-0795-124X 19
title A high statistics lattice calculation of using the clover action
spellingShingle A high statistics lattice calculation of using the clover action
Chris Allton
title_short A high statistics lattice calculation of using the clover action
title_full A high statistics lattice calculation of using the clover action
title_fullStr A high statistics lattice calculation of using the clover action
title_full_unstemmed A high statistics lattice calculation of using the clover action
title_sort A high statistics lattice calculation of using the clover action
author_id_str_mv de706a260fa1e1e47430693e135f41c7
author_id_fullname_str_mv de706a260fa1e1e47430693e135f41c7_***_Chris Allton
author Chris Allton
author2 N. Cabibbo
F. Marzano
F. Rapuano
A. Vladikas
G. Salina
S. Cabasino
G. Martinelli
G.M. Todesco
W. Tross
V. Lubicz
M. Crisafulli
C. Battista
P.S. Paolucci
J. Pech
R. Sarno
M. Torelli
P. Vicini
A. Bartoloni
Chris Allton
format Journal article
container_title Physics Letters B
container_volume 326
container_issue 3-4
container_start_page 295
publishDate 1994
institution Swansea University
issn 03702693
doi_str_mv 10.1016/0370-2693(94)91325-0
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/373765
document_store_str 0
active_str 0
description We present a calculation of $f_B$ in the static limit, obtained by numerical simulation of quenched QCD, at $\beta=6.2$ on a $18~3 \times 64$ lattice, using the SW-Clover quark action. The decay constant has been extracted by studying heavy(static)-light correlation functions of different smeared operators, on a sample of 220 gauge field configurations. We have obtained $f_B~{static}=(290 \pm 15 \pm 45)$ MeV, where the first error comes from the uncertainty in the determination of the matrix element and the second comes from the uncertainty in the lattice spacing. We also obtain $M_{B_s}-M_{B_d}= (70 \pm 10)$ MeV and $f~{stat}_{B_s}/f~{stat}_{B_d}=1.11(3)$. A comparison of our results with other calculations of the same quantity is made.
published_date 1994-12-31T03:34:41Z
_version_ 1763751474122194944
score 11.013015

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