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Prof. Mitja Rosina: Mesonic Molecules

Date: 6. 12. 2016
Source: Monday physics colloquium
Ponedeljek, 19. december 2016, ob 16:15 v predavalnici F1, FMF UL, Jadranska 19, Ljubljana
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Povzetek:

Mesonic Molecules

Prof. Mitja Rosina

Faculty of Mathematics and Physics, University of Ljubljana & J. Stefan Institute, Ljubljana


We expect a deeper understanding of the effective quark-quark interaction from the study of two-meson molecules (tetraquarks). So far, a number of such resonances have been found. Particularly interesting is the molecule made of two D mesons where the two charm quarks c play a role similar to the two protons in the hydrogen molecule, and the two light antiquarks u-bar and d-bar a role of electrons (the "Chromodynamic covalent bond"). It may be found in the future upgraded accelerator SuperKEKB with the detector Belle2 in Tsukuba (Japan).