Non-equilibrium Statistic Features in Dissipative Heavy Ion Collision ²⁷Al+²⁷Al

The excitation functions of dissipative products have been measured in the reaction ²⁷Al+²⁷Al at incident energies from 114 to 127MeV in steps of 200keV. Detection angles vary continuously from 10.4° to 57.4° in laboratory system. An angular coherent width more than 40° in center of mass is obtained. The results from the analysis of excitation functions with nonself-averaging are characterized by a quasi-periodic long-range energy structure embedded in the disorder Ericson fluctuation.