p-He^4 Final-State Interaction in He^3(He^3, 2p)He^4

Abstract

The He^3(He^3, 2p)He^4 reaction, leading to a three-body final state consisting of an alpha particle and two protons, has been investigated at bombarding energies from 3 to 18 MeV using a He^3 beam from the ONR-CIT tandem accelerator. The motivation for this work has been twofold; to gain an understanding of the reaction mechanism over a wide range of bombarding energy and to develop a consistent method for determining the total reaction cross section that can be extended to lower bombarding energies. What follows is a preliminary report dealing with general features of the experimental results.

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