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The bottomonium spectrum at finite temperature from N f = 2 + 1 lattice QCD

G. Aarts, C. Allton, T. Harris, S. Kim, M. P. Lombardo, S. M. Ryan, J.-I. Skullerud, Chris Allton Orcid Logo, Gert Aarts Orcid Logo

Journal of High Energy Physics, Volume: 07, Issue: 2014, Start page: 097

Swansea University Authors: Chris Allton Orcid Logo, Gert Aarts Orcid Logo

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DOI (Published version): 10.1007/JHEP07(2014)097

Abstract

We present results on the bottomonium spectrum at temperatures above and below the deconfinement crossover temperature, Tc, from dynamical lattice QCD simulations. The heavy quark is treated with a non-relativistic effective field theory on the lattice and serves as a probe of the hot medium. Ensemb...

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Published in: Journal of High Energy Physics
Published: 2014
Online Access: http://link.springer.com/article/10.1007%2FJHEP07%282014%29097
URI: https://cronfa.swan.ac.uk/Record/cronfa20489
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spelling 2019-08-08T11:12:22.5039234 v2 20489 2015-03-19 The bottomonium spectrum at finite temperature from N f = 2 + 1 lattice QCD de706a260fa1e1e47430693e135f41c7 0000-0003-0795-124X Chris Allton Chris Allton true false 1ba0dad382dfe18348ec32fc65f3f3de 0000-0002-6038-3782 Gert Aarts Gert Aarts true false 2015-03-19 SPH We present results on the bottomonium spectrum at temperatures above and below the deconfinement crossover temperature, Tc, from dynamical lattice QCD simulations. The heavy quark is treated with a non-relativistic effective field theory on the lattice and serves as a probe of the hot medium. Ensembles with a finer spatial lattice spacing and a greater range of temperatures below Tc than those previously employed by this collaboration are used. In addition, there are Nf=2+1 flavours of Wilson clover quark in the sea with Mπ≈400 MeV and we perform a more careful tuning of the bottom quark mass in this work. We calculate the spectral functions of S and P wave bottomonium states using the maximum entropy method and confirm earlier findings on the survival of the ground state S wave states up to at least 2Tc and the immediate dissociation of the P wave states above Tc. Journal Article Journal of High Energy Physics 07 2014 097 21 7 2014 2014-07-21 10.1007/JHEP07(2014)097 http://link.springer.com/article/10.1007%2FJHEP07%282014%29097 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2019-08-08T11:12:22.5039234 2015-03-19T15:26:17.5315870 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics G. Aarts 1 C. Allton 2 T. Harris 3 S. Kim 4 M. P. Lombardo 5 S. M. Ryan 6 J.-I. Skullerud 7 Chris Allton 0000-0003-0795-124X 8 Gert Aarts 0000-0002-6038-3782 9 0020489-25032015162741.pdf jhep1407-097-1.pdf 2015-03-25T16:27:41.4570000 Output 637233 application/pdf Version of Record true 2015-02-25T00:00:00.0000000 Distributed under the terms of a Creative Commons Attribution (CC-BY-4.0) true
title The bottomonium spectrum at finite temperature from N f = 2 + 1 lattice QCD
spellingShingle The bottomonium spectrum at finite temperature from N f = 2 + 1 lattice QCD
Chris Allton
Gert Aarts
title_short The bottomonium spectrum at finite temperature from N f = 2 + 1 lattice QCD
title_full The bottomonium spectrum at finite temperature from N f = 2 + 1 lattice QCD
title_fullStr The bottomonium spectrum at finite temperature from N f = 2 + 1 lattice QCD
title_full_unstemmed The bottomonium spectrum at finite temperature from N f = 2 + 1 lattice QCD
title_sort The bottomonium spectrum at finite temperature from N f = 2 + 1 lattice QCD
author_id_str_mv de706a260fa1e1e47430693e135f41c7
1ba0dad382dfe18348ec32fc65f3f3de
author_id_fullname_str_mv de706a260fa1e1e47430693e135f41c7_***_Chris Allton
1ba0dad382dfe18348ec32fc65f3f3de_***_Gert Aarts
author Chris Allton
Gert Aarts
author2 G. Aarts
C. Allton
T. Harris
S. Kim
M. P. Lombardo
S. M. Ryan
J.-I. Skullerud
Chris Allton
Gert Aarts
format Journal article
container_title Journal of High Energy Physics
container_volume 07
container_issue 2014
container_start_page 097
publishDate 2014
institution Swansea University
doi_str_mv 10.1007/JHEP07(2014)097
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://link.springer.com/article/10.1007%2FJHEP07%282014%29097
document_store_str 1
active_str 0
description We present results on the bottomonium spectrum at temperatures above and below the deconfinement crossover temperature, Tc, from dynamical lattice QCD simulations. The heavy quark is treated with a non-relativistic effective field theory on the lattice and serves as a probe of the hot medium. Ensembles with a finer spatial lattice spacing and a greater range of temperatures below Tc than those previously employed by this collaboration are used. In addition, there are Nf=2+1 flavours of Wilson clover quark in the sea with Mπ≈400 MeV and we perform a more careful tuning of the bottom quark mass in this work. We calculate the spectral functions of S and P wave bottomonium states using the maximum entropy method and confirm earlier findings on the survival of the ground state S wave states up to at least 2Tc and the immediate dissociation of the P wave states above Tc.
published_date 2014-07-21T03:24:14Z
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score 11.037581

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