Elsevier

Physics Letters B

Volume 83, Issues 3–4, 21 May 1979, Pages 293-296
Physics Letters B

The (p, nπ+) reaction and the NNπ vertex

https://doi.org/10.1016/0370-2693(79)91110-9Get rights and content

Abstract

The cross sections for the reactions 4He(p, nπ+) 4He and 40Ca(p, nπ+)40Ca have been calculated near 500 MeV. The results are extremely sensitive to the form of the NNπ vertex function, and seem to offer a direct experimental test of the so-called ‘galilean correction’ to the static vertex function.

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Work supported in part by the National Research Council of Canada.

1

Present address: Computer Sciences Canada, Calgary, Alberta.

2

Summer student.

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