Abstract
We present the recent progress on the (exotic) charmonium spectroscopy from BESIII experiment, This paper focus on the observation of charged charmonium like states and their isospin partners from BESIII, including Zc(3900)±,0, Zc(4020)±,0 Zc(3885)± and Zc(4025)±. In addition, the observation of X(3872) from radiative decay of the Y(4260) and e+e− → ωχc0 are also introduced.
Highlights
The discovery of charmonium was a watershed moment in the establishment of Quantum Chromodynamics (QCD)
Dramatic progress can be expected in the spectroscopy of charmonium above the open-charm threshold because experiments have uncovered entirely new exotic hadronic states in this region in the past decade
The BESIII experiment performed a study of the process e+e− → π±(DD ∗)∓ using the same data sample at 4.26 GeV [5]
Summary
The discovery of charmonium was a watershed moment in the establishment of Quantum Chromodynamics (QCD). One of the most basic properties of QCD is its spectrum. Dramatic progress can be expected in the spectroscopy of charmonium above the open-charm threshold because experiments have uncovered entirely new exotic hadronic states in this region in the past decade. The common properties of these states are relatively narrow widths and strong couplings to hidden-charm final states, it is hard to be explained that all these resonances are charmonia. Understanding the QCD spectrum in charmonium regions is one of the most interesting and exciting challenges to theorists today. BESIII is the only experiment currently taking data using ae+beo−utc5olplbis−i1ondsatiansethteabcohvarem√osni=um region. It has collected GeV and yields fruitful results on the (exotic) charmonium spectroscopy. We will introduce the recent progress from BESIII
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