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HK: Fachverband Physik der Hadronen und Kerne

HK 28: Hadron Structure and Spectroscopy IV

HK 28.1: Gruppenbericht

Mittwoch, 29. März 2017, 16:45–17:15, F 5

recent progress of charmonium spectroscopy at BESIII — •Zhiqing Liu for the BESIII collaboration — Joh-Joachim-Becher-Weg 45

After the discovery of the Zc(3900) by BESIII, we believe that charmonium-like states are good candidates for potential four-quark states. However, the exact structure of four-quark states are still a puzzle presently, and more detailed experimental study about them are urgently needed. In this talk, I will reported the recent progress about charmonium spectroscopy at the BESIII experiment, including the spin-parity measurement of Zc(3900), and the precise measurement of vector Y-states by using the scan data.