Search for resonances in the 22Na(p,γ)23Mg reaction

Creators: Görres, J.; Wiescher, M.; Graff, S.; Vogelaar, R. B.; Filippone, B. W.; Barnes, C. A.; Kellogg, S. E.; Wang, T. R.; Brown, B. A.

Abstract

The reaction 22Na(p,γ)23Mg has been investigated in the energy range Ep=0.4–1.27 MeV using a radioactive 22Na target. Upper limits for the γ yield have been determined for transitions to states in 23Mg up to Ex=4.4 MeV. The upper limits for the expected resonances in this energy range are more than an order of magnitude weaker than previously predicted. These upper limits are compared with shell model calculations.

Additional Information

©1989 The American Physical Society Received 1 September 1988 The authors wish to thank R.W. Kavanagh and R.E. Azuma for many useful discussions and B. Leist for help during the course of the experiment. This work was supported by National Science Foundation Grants PHY84-21302, PHY85-05682, and PHY87-14432.

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