Aug 8 – 13, 2022
Hörsaalzentrum Poppelsdorf
Europe/Berlin timezone

Antiheavy-antiheavy-light-light four-quark bound states

Aug 9, 2022, 5:50 PM
CP1-HSZ/0.010 (CP1-HSZ) - HS2 (CP1-HSZ)

CP1-HSZ/0.010 (CP1-HSZ) - HS2


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Oral Presentation Hadron Spectroscopy and Interactions Hadron Spectroscopy and Interactions


Martin Pflaumer


We study four-quark systems using lattice QCD, which consist of two heavy antiquarks (either $ \bar{b}\bar{b} $ or $\bar{b}\bar{c}$) and two light quarks (either $ ud $ or $ us $) and search for bound states in these channels. In addition to commonly used local interpolating operators we also employ scattering interpolating operators, which seem to be very important for an accurate extraction of possibly existing bound states as well as low-lying scattering states.
Moreover, we study the overlaps of trial states generated by our interpolating operators and low-lying energy eigenstates to obtain insights regarding the composition of the latter.

Primary authors

Constantia Alexandrou Martin Pflaumer Jacob Finkenrath Marc Wagner (Goethe University Frankfurt) Stefan Meinel (University of Arizona) Theodoros Leontiou (Frederick University, Nicosia, Cyprus)

Presentation materials