Elsevier

Nuclear Physics A

Volume 357, Issue 2, 6 April 1981, Pages 521-532
Nuclear Physics A

Search for resonances in 12C(9Be, α)17O

https://doi.org/10.1016/0375-9474(81)90234-7Get rights and content

Abstract

Excitation functions at 7° (lab) have been measured from Ec.m. = 5.1 to 11.4 MeV in approximately 114 keV steps for 15 groups of final states in 17O populated by the 12C(9Be, α) reaction. Statistical tests have been used to locate possible non-statistical structure in the excitation functions. Possible anomalies were found near Ec.m. = 6.3, 7.5, 8.9 and 9.7 MeV. Angular distributions were measured at Ec.m. = 9.20, 9.71 and 10.23 MeV for the three lowest excited states in 17O. The data have been compared with Hauser-Feshbach calculations in addition to the following reaction mechanisms: compound plus a single resonance, compound plus interfering resonances and compound plus direct reactions.

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    Present address: Department of Physics, Florida State University, Tallahassee, Florida 32306.

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