Alpha Cluster Structure in super(16)O

The main purpose of the present work is the investigation of the alpha -cluster phenomenon in super(16)O. The super(12)C( super(6)Li,d) super(16)O reaction was measured at a bombarding energy of 25.5 MeV employing the Sao Paulo Pelletron-Enge-Spectrograph facility and the nuclear emulsion detection technique. Resonant states around 4 alpha threshold were measured and an energy resolution of 15 keV allows to define states previously unresolved. The angular distributions of the absolute cross sections were determined in a range of 4-40 degree in the center of mass system. The upper limit for the resonance widths was obtained, indicating that the alpha cluster structure information in this region should be revised.