Abstract
The angular distribution of fission fragments has been measured for proton-induced fission of197Au and209Bi nuclei at several energies between 25 and 30 MeV using surface-barrier detectors. The measured anisotropies are found to be in agreement with the predictions of the standard saddle-point statistical model. The measured anisotropies for neither of the nuclei show any anomalous behavior as a function of both energy and entrance channel mass asymmetry. The fission cross sections of197Au and209Bi nuclei were also measured and compared with that of the previous works.
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