Multi-hadron spectroscopy in a large physical volume

Multi-hadron spectroscopy in a large physical volume

We demonstrate the effcacy of the stochastic LapH method to treat all-toall quark propagation on a Nf = 2 + 1 CLS ensemble with large linear spatial extent L = 5:5 fm, allowing us to obtain the benchmark elastic isovector p-wave pion-pion scattering amplitude to good precision already on a relativel...

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Main Authors: Bulava John, Hörz Ben, Morningstar Colin
Format: Article
Language:English
Published: EDP Sciences 2018-01-01
Series:EPJ Web of Conferences
Online Access:https://doi.org/10.1051/epjconf/201817505026
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spelling doaj-bd095b77675a4206b9d2e25faad79d5f2021-08-02T05:16:48ZengEDP SciencesEPJ Web of Conferences2100-014X2018-01-011750502610.1051/epjconf/201817505026epjconf_lattice2018_05026Multi-hadron spectroscopy in a large physical volumeBulava JohnHörz BenMorningstar ColinWe demonstrate the effcacy of the stochastic LapH method to treat all-toall quark propagation on a Nf = 2 + 1 CLS ensemble with large linear spatial extent L = 5:5 fm, allowing us to obtain the benchmark elastic isovector p-wave pion-pion scattering amplitude to good precision already on a relatively small number of gauge configurations. These results hold promise for multi-hadron spectroscopy at close-to-physical pion mass with exponential finite-volume effects under control.https://doi.org/10.1051/epjconf/201817505026
collection DOAJ
language English
format Article
sources DOAJ
author Bulava John
Hörz Ben
Morningstar Colin
spellingShingle Bulava John
Hörz Ben
Morningstar Colin
Multi-hadron spectroscopy in a large physical volume
EPJ Web of Conferences
author_facet Bulava John
Hörz Ben
Morningstar Colin
author_sort Bulava John
title Multi-hadron spectroscopy in a large physical volume
title_short Multi-hadron spectroscopy in a large physical volume
title_full Multi-hadron spectroscopy in a large physical volume
title_fullStr Multi-hadron spectroscopy in a large physical volume
title_full_unstemmed Multi-hadron spectroscopy in a large physical volume
title_sort multi-hadron spectroscopy in a large physical volume
publisher EDP Sciences
series EPJ Web of Conferences
issn 2100-014X
publishDate 2018-01-01
description We demonstrate the effcacy of the stochastic LapH method to treat all-toall quark propagation on a Nf = 2 + 1 CLS ensemble with large linear spatial extent L = 5:5 fm, allowing us to obtain the benchmark elastic isovector p-wave pion-pion scattering amplitude to good precision already on a relatively small number of gauge configurations. These results hold promise for multi-hadron spectroscopy at close-to-physical pion mass with exponential finite-volume effects under control.
url https://doi.org/10.1051/epjconf/201817505026
work_keys_str_mv AT bulavajohn multihadronspectroscopyinalargephysicalvolume
AT horzben multihadronspectroscopyinalargephysicalvolume
AT morningstarcolin multihadronspectroscopyinalargephysicalvolume
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