Including tetraquark operators in the low-lying scalar meson sectors in lattice QCD

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

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Abstrakt

Lattice QCD allows us to probe the low-lying hadron spectrum in finite-volume using a basis of single- and multihadron interpolating operators. Here we examine the effect of including tetraquark operators on the spectrum in the scalar meson sectors containing the K0(700) (κ) and the a0(980) in Nf = 2+1 QCD, with mπ ≈ 230 MeV. Preliminary results of additional finite-volume states found using tetraquark operators are shown, and possible implications of these states are discussed.

OriginalsprogEngelsk
TitelProceedings of the 15th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon
RedaktørerCurtis Meyer, Reinhard A. Schumacher
Antal sider7
ForlagAmerican Institute of Physics Inc.
Publikationsdato2020
Artikelnummer030021
ISBN (Elektronisk)9780735420083
DOI
StatusUdgivet - 2020
Begivenhed15th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon, MENU 2019 - Pittsburgh, USA
Varighed: 2. jun. 20197. jun. 2019

Konference

Konference15th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon, MENU 2019
LandUSA
ByPittsburgh
Periode02/06/201907/06/2019
NavnAIP Conference Proceedings
Vol/bind2249
ISSN0094-243X

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