NUCLEAR REACTION CROSS SECTIONS FROM THE NITROGEN BOMBARDMENT OF SULFUR
The main assumption of the compound nucleus model is that the nuclear reaction can be divided into two staffs ---the formation of a compound nucleus and its subsequent decay--and that these two stages are independent of each other. Experiments testing the senistical theory of compound nucleus decay may deal with reaction cross sections. Natural S was bombarded with N ions at incident energies from 20 to 28 Mev. At the latter energy the V/sup 46/ compound nucleus is excited to 33.3 Mev. Four nuclear reactions initiated by the N bombardment of natural S were experimentally observed, excitation functions were measured, and the cross sections of three of these at a bombarding energy of 27 Mev were compared with predictions based on the statistical theory of compound nucleus decay. The predictions of the statistical theory were calculated. Good agreement with theory was obtained for the (N/sup 14/,p) and (N/sup 14/,2p) reactions in view of the approximations necessary. The predicted value of the (N/ sup 14/,2 alpha ) reaction was at least four times less than the experimental value. (M.H.R.)
- Research Organization:
- Oak Ridge National Lab., Tenn.
- DOE Contract Number:
- W-7405-ENG-26
- NSA Number:
- NSA-12-012784
- OSTI ID:
- 4327896
- Report Number(s):
- ORNL-2535
- Country of Publication:
- United States
- Language:
- English
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