Elsevier

Nuclear Physics A

Volume 331, Issue 2, 26 November 1979, Pages 269-287
Nuclear Physics A

Compound nucleus contributions to the 18O(d,p)19O reaction

https://doi.org/10.1016/0375-9474(79)90343-9Get rights and content

Abstract

Angular distribution and excitation function measurements of the cross section and vector analyzing power were made near 10 MeV for transitions in 18O(d, p)19O to the states at 0.0, 1.47, 2.37 and 2.78 MeV. Ericson fluctuations were observed with a coherence width of 290±50 keV. The variance in both the polarized and unpolarized excitation functions and energy averaged cross section were used to obtain the compound nucleus component of the reaction cross section. This component was about 14 of the smallest reaction cross section and 110 that expected theoretically. The remaining reaction cross section is direct, as evidenced by nonvanishing energy-averaged values of iT11 for the 2.37 MeV state. For the strong stripping transitions the inclusion of compound nucleus effects in the distorted wave Born approximation calculation has a negligibly small effect.

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    Work performed under the auspices of the US Department of Energy.

    Present address: Indiana University Cyclotron Facility, Bloomington, IN 47401.

    ∗∗

    Present address: Physics Dept., Hope College, Holland, MI 49423.

    ∗∗∗

    Present address: EG & G Inc., Los Alamos, New Mexico 87544.

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