The γ-decay of the GDR in highly excited Ce nuclei

The γ -decay of the GDR in the 132Ce compound nuclei produced by the reaction 64Ni+68Zn at Ebeam = 300 MeV, 400 MeV, 500 MeV (E-beam of 100 MeV, 150 MeV and 200 MeV) has been measured. We have detected heavy recoil nuclei, light charged particles and γ -rays. The data obtained with the symmetric reaction 64Ni+68Zn indicate emission from a fully equilibrated compound nucleus as deduced from the analysis of charged particle spectra. The GDR parameters are found to be consistent with the predictions of the thermal fluctuation model.