Angular distributions for the C12(γ,p)11B reaction

H. Ruijter, J-O. Adler, B-E. Andersson, K. Hansen, L. Isaksson, B. Schrøder, J. Ryckebusch, D. Ryckbosch, L. van Hoorebeke, and R. van de Vyver
Phys. Rev. C 54, 3076 – Published 1 December 1996
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Abstract

Absolute differential cross sections for the C12(γ,p)11B reaction have been measured for low-lying regions of residual excitation energy in B11. Cross sections with low systematic uncertainties are presented for proton detection angles ranging from 30° to 150°, measured with tagged photons of 25–75 MeV energy. The experimental results resolve the discrepancies between the older data sets. In addition, a reinterpretation of the low-lying states excited in B11 is presented. It is concluded that HF-RPA calculations with essential contributions of meson exchange currents (MEC) provide a qualitative description of the angular distributions obtained for the negative parity states in the (γ,p) reaction. © 1996 The American Physical Society.

  • Received 5 July 1995

DOI:https://doi.org/10.1103/PhysRevC.54.3076

©1996 American Physical Society

Authors & Affiliations

H. Ruijter, J-O. Adler, B-E. Andersson, K. Hansen, L. Isaksson, and B. Schrøder

  • Department of Physics, University of Lund, Sölvegatan 14, S-223 62 LUND, Sweden

J. Ryckebusch, D. Ryckbosch, L. van Hoorebeke, and R. van de Vyver

  • Laboratory for Nuclear Physics, University of Gent, Proeftuinstraat 86, B-9000 Gent, Belgium

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Vol. 54, Iss. 6 — December 1996

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