Few-Body Systems Composed of Heavy Quarks
  Within the past ten years many new hadrons states were observed experimentally, some of which do not fit into the conventional quark model. I will talk about the few-body systems composed of heavy quarks, including the charmonium-like states and some loosely bound states. 
Ning Li, Zhi-Feng Sun, Jun He, Xiang Liu, Zhi-Gang Luo, Shi-Lin Zhu
hep-ph nucl-th