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HK: Fachverband Physik der Hadronen und Kerne

HK 71: Hadron Structure and Spectroscopy X

HK 71.5: Vortrag

Donnerstag, 14. März 2024, 16:45–17:00, HBR 62: EG 19

Properties of Heavy-Flavour Four-Quark states from Functional Methods — •Joshua Hoffer^1,2, Gernot Eichmann³, and Christian S. Fischer^1,2 — ¹Institut für Theoretische Physik, Justus-Liebig-Universität Gießen, 35392 Gießen, Germany — ²Helmholtz Forschungsakademie Hessen für FAIR (HFHF), GSIHelmholtzzentrum für Schwerionenforschung, Campus Gießen, 35392 Gießen, Germany — ³Institute of Physics, University of Graz, Universitätsplatz 5, 8010 Graz, Austria

Since the experimental discovery of the first tetraquarks in 2003, there has been a lot of excitement around this topic from the theoretical as well as the experimental side. We employ hadronic bound state equations, i.e., Bethe-Salpeter equations, to study the properties of these four-quark states. In this talk we will present a comprehensive overview of the mass spectra for hidden- and open-flavour four-quark states in the charmonium and bottomonium sector, as well as their internal structure.

Keywords: hadron structure, spectroscopy, functional methods