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HK: Fachverband Physik der Hadronen und Kerne

HK 60: Focus Session III: Multiquark and Molecular States

HK 60.1: Invited Talk

Thursday, March 14, 2024, 14:00–14:30, HBR 14: HS 1

Theory of multi-quark states — •Christoph Hanhart — IAS-4, Forschungszentrum Jülich

In this talk the different theoretical approaches to multi-quark states in the doubly heavy quark sector will be presented and contrasted. In addition, the implications of different structure assignments - compact tetraquarks, hadronic molecules and hadroquarkonia - for experimental observables will be discussed with special emphasis on what is necessary to get a deeper understanding of the structure of the various multi-quark states found in recent years and thus into the inner workings of QCD.

Keywords: multi-quark states; hadronic molecules; compact tetraquarks; hadroquarkonia; quarkonium like states