Target Dependence of N / Z Ratio of the Fragments Produced in 30 MeV/u ^(40)Ar Induced Reactions

An inclusive measurement was performed for 30 MeV/u ^(40)Ar+^(58,64)Ni and ^(115)In.By employing the degree of freedom of N/Z,the production mechanism of the high energy component of the intermediate mass fragments(IMFs:3≤Z≤13)has been discussed.Special attention has been paid to the target dependence of N/Z ratio of the energetic fragments.These IMFs may be produced by a projectile fragmentation process with energy dissipation.