Elsevier

Nuclear Physics A

Volume 528, Issue 2, 10 June 1991, Pages 298-316
Nuclear Physics A

Measurements of differential cross-section ratios for single-nucleon transfer reaction pairs near A = 25

https://doi.org/10.1016/0375-9474(91)90091-JGet rights and content

Abstract

Differential cross sections for the (d, p), (3He, d), (α, t), and (α,3He) reactions involving seventy-one residual states in 23Na, 25Mg, 25Al, and 27Al have been measured at a forward angle with incident energies of 17.5, 20.2, 34.8, and 34.8 MeV, respectively. The ratio of cross-section pairs involving formation of the same residual state is determined for forty-five cases where both the angular momentum transfer and single-particle spectroscopic strength have been previously established. These are compared to values calculated with conventional distorted-wave Born approximation analyses, and the utility of this technique for identifying some levels which are possible s- or p-wave resonances is demonstrated and discussed for states in the vicinity of proton thresholds. An application is made involving proton threshold states in 27Al.

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1

Present address: Department of Applied Physics, Yale University, New Haven, CT 06520, USA.

2

Present address: Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.

3

Present address: Nuclear Laboratory GL-10, University of Washington, Seattle, WA 98195, USA.

4

Present address: W.K. Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, CA 91125, USA.

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