High-lying 0+ and 3- levels in C12

Phys. Rev. C 25, 1179 – Published 1 March 1982
S. S. Hanna, W. Feldman, M. Suffert, and D. Kurath

Abstract

The γ decays of the levels at 17.77 and 18.36 MeV in C12 are studied by proton capture and the assignments of (0+,1) and (3-,1), respectively, are confirmed. The very great strength of the decay of the (0+,1) level to the lower (1+,0) level at 12.71 MeV is consistent with a spin- and isospin-flip deuteronlike transition. The strong decay of the (3-,1) level to the lower (3-,0) level at 9.64 MeV is fairly typical of an analog to antianalog transition. The γ-decay widths of these levels are compared with shell-model calculations.

NUCLEAR REACTIONS B11(p,γ)C12, Ep=0.82-2.83 MeV. Measured excitation functions and angular distributions of resonances at 17.77 and 18.36 MeV; deduced spins, parities, and transition strengths to levels at 12.71 and 9.64 MeV, respectively. Enriched targets.

DOI: http://dx.doi.org/10.1103/PhysRevC.25.1179

  • Received 16 November 1981
  • Published in the issue dated March 1982

© 1982 The American Physical Society

Authors & Affiliations

S. S. Hanna, W. Feldman*, and M. Suffert

  • Department of Physics, Stanford University, Stanford, California 94305

D. Kurath

  • Argonne National Laboratory, Argonne, Illinois 60439

  • *Present address: Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87544.
  • Present address: Centre de Recherches Nucleaires, Strasbourg-Cronenbourg, France.

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