Search for the exotic states at Belle
  We review recent results on charmonium-like exotic states from the Belle experiment. The two-photon process $\gamma \gamma \to \phi \jpsi$ is measured to search for Y(4140). No signal for the $Y(4140) \to \phi \jpsi$ is observed. But a narrow peak with a significance of 3.2$\sigma$ deviations including systematic uncertainty is observed at 4350.6 MeV/$c^2$ that we named X(4350). We also search for charmonium-like states, including X(3872), Y(4140), X(3915) and X(4350), in $\Upsilon(1S)$ and $\Upsilon(2S)$ radiative decays. No significant signal of any charmonium-like state is observed. The processes $\gamma \gamma \to VV$ ($V=\omega$ or $\phi$) are also measured to search for the possible exotic states in low mass region. There are clear resonant structures in all the decay modes. 
C. P. Shen (for the Belle Collaboration)
hep-ex