Role of the Δ(1232) in the (γ,p) reaction

C. Y. Cheung and B. D. Keister
Phys. Rev. C 33, 776 – Published 1 March 1986
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Abstract

The magnetic Born and intermediate-Δ contributions to the (γ,p) reaction are calculated for He4 and O16 targets, within a framework which includes pion rescattering and proton distortions. The results are discussed in light of experimental data, which show no obvious resonant energy dependence for these nuclei. The calculations are also compared to several published theoretical approaches, which disagree with each other regarding the importance of the intermediate-Δ contribution to the (γ,p) reaction at intermediate energies.

  • Received 14 June 1985

DOI:https://doi.org/10.1103/PhysRevC.33.776

©1986 American Physical Society

Authors & Affiliations

C. Y. Cheung

  • Department of Physics, Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213 and TRIUMF, Vancouver, British Columbia, Canada V6T 2A3

B. D. Keister

  • Department of Physics, Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213

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Vol. 33, Iss. 3 — March 1986

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