Kπ scattering and excited meson spectroscopy using the stochastic LapH method

Ruairí Brett*, John Bulava, Jacob Fallica, Andrew Hanlon, Ben Hörz, Colin Morningstar

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Abstrakt

Elastic I = 1/2, s- and p-wave Kπ scattering amplitudes are simultaneously calculated using a Lüscher style analysis on a single ensemble of dynamical Wilson-clover fermions at mπ ∼ 230 MeV. Partial wave mixing due to the reduced rotational symmetries of the finite volume is included up to ` = 2. We also present finite-volume QCD spectra on two large anisotropic lattices (323 ×256, 243 ×128) with mπ ∼ 230, 390 MeV respectively. In each symmetry channel, a large basis of one- and two-hadron interpolating operators is employed with all-to-all quark propagation treated using the stochastic LapH method.

OriginalsprogEngelsk
Artikelnummer071
TidsskriftProceedings of Science
Vol/bind334
Antal sider7
ISSN1824-8039
DOI
StatusUdgivet - 2018
Begivenhed36th Annual International Symposium on Lattice Field Theory, LATTICE 2018 - East Lansing, USA
Varighed: 22. jul. 201828. jul. 2018

Konference

Konference36th Annual International Symposium on Lattice Field Theory, LATTICE 2018
LandUSA
ByEast Lansing
Periode22/07/201828/07/2018

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