Investigation of light and heavy tetraquark candidates using lattice QCD

FAIR NExt generation of ScientistS 2013

Wagner, Marc^1 ; Abdel-Rehim, Abdou^2 ; Alexandrou, Constantia^2,3 ; Brida, Mattia Dalla^4 ; Gravina, Mario^3 ; Koutsou, Giannis^2 ; Scorzato, Luigi^5 ; Urbach, Carsten^6

Goethe-Universität Frankfurt Am Main, Institut für Theoretische Physik, Max-von-Laue-Straße 1, D-60438 Frankfurt am Main, Germany^1

Computation-based Science and Technology Research Center, Cyprus Institute, 20 Kavafi Street, Nicosia 2121, Cyprus^2

Department of Physics, University of Cyprus, PO Box 20537, 1678 Nicosia, Cyprus^3

School of Mathematics, Trinity College Dublin, Ireland^4

INFN-gruppo Collegato di Trento, via sommarive 14, 38123-Trento, Italy^5

Helmholtz-Institut für Strahlen- und Kernphysik (Theorie), Bethe Center for Theoretical Physics, Universität Bonn, D-53115 Bonn, Germany^6

关键词: Lattice QCD;    Scalar mesons;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/503/1/012031/pdf
DOI  :  10.1088/1742-6596/503/1/012031

来源: IOP

【 摘 要 】

We review the status of an ongoing long-term lattice investigation of the spectrum and structure of tetraquark candidates. We focus on the light scalar meson a0(980). First steps regarding the study of a possibly existing cc tetraquark are also outlined.