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The3He(γ,2p)n reaction for Eγ=80-170MeV |
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| Authors: | C A Peridier J L Matthews M J Leitch H Jeremie M Irshad B L Roberts |
| Institution: | 1. Department of Physics and Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA 4. Laboratoire de Physique Nucléaire, Université de Montréal, Montréal, Québec, Canada 5. Department of Physics, Boston University, Boston, Massachusetts, USA |
| Abstract: | The cross section for the3He(γ, 2p) reaction has been measured in a complete kinematics experiment in the energy rangeE γ=80–170 MeV, forθ P1=θ P2=90°. This configuration was selected in order to investigate the role of proton-proton final state interactions in the three-body breakup process. The measured proton spectra are seen to be consistent with a prediction using the Watson-Migdal formalism. The magnitude of the observed cross section clearly indicates an enhancement over phase space, presumably due to the strong proton-proton interaction in the final state. The experimental results agree, within their limited statistical accuracy, with a theoretical calculation which includes this effect. |
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