High resolution measurements of C12(γ,n) and the implications for the (γ,N) reaction mechanism at intermediate energy

J. R. M. Annand, G. I. Crawford, P. D. Harty, J. C. McGeorge, G. J. Miller, B-E. Andersson, J-O. Adler, S. A. Bulychjev, L. Isaksson, H. Ruijter, and B. Schrøder
Phys. Rev. Lett. 71, 2703 – Published 25 October 1993
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Abstract

High resolution measurements of the reaction C12(γ,n) at Eγ∼58 MeV are presented. The distribution of strength to the resolved bound final states in C11 is compared with that of B11 obtained in previous analogous (γ,p) measurements and the implications for the theoretical description of (γ,N) reactions are discussed. These new results confirm the importance of two-nucleon effects in intermediate energy photon absorption and highlight inadequacies in state-of-the-art microscopic calculations of (γ,N) reactions.

  • Received 27 May 1993

DOI:https://doi.org/10.1103/PhysRevLett.71.2703

©1993 American Physical Society

Authors & Affiliations

J. R. M. Annand, G. I. Crawford, P. D. Harty, J. C. McGeorge, and G. J. Miller

  • Department of Physics and Astronomy, University of Glasgow, Kelvin Laboratory, National Engineering Laboratory, East Kilbride G750QU, Scotland

B-E. Andersson, J-O. Adler, S. A. Bulychjev, L. Isaksson, H. Ruijter, and B. Schrøder

  • Institute of Physics, University of Lund, Sölvegaton 14, S-223 62 Lund, Sweden

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Vol. 71, Iss. 17 — 25 October 1993

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