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180/sup 0/ elastic excitation functions for /sup 12/C+/sup 32/S, /sup 13/C+/sup 32/S, /sup 12/C+/sup 28/Si, and /sup 13/C+/sup 28/Si at low bombarding energies

Journal Article · · Phys. Rev. C; (United States)
We have measured the elastic 180/sup 0/ excitation functions for /sup 12/C+/sup 32/S, /sup 13/C+/sup 32/S, /sup 12/C+/sup 28/Si, and /sup 13/C+/sup 28/Si at low bombarding energies (V/sub CB/< or approx. =E/sub c.m./< or approx. =1.8 V/sub CB/). Gross structures with features resembling those observed at higher energies were observed in the /sup 12/C+/sup 32/S and /sup 12/C+/sup 28/Si systems but not in the other two accompanying reactions. This systematic trend is consistent with compound nuclei level density and channel competition considerations. Conventional optical model potentials with very shallow absorption can generate gross structures comparable to the data in this energy region but over predict the number of peaks.
Research Organization:
Nuclear Physics Laboratory, University of Washington, Seattle, Washington 98195
OSTI ID:
5669682
Journal Information:
Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 25:2; ISSN PRVCA
Country of Publication:
United States
Language:
English