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Determination of nuclear amplitudes from the study of Coulomb-nuclear interference

Determination of nuclear amplitudes from the study of Coulomb-nuclear interference We compare the West-Yennie method for the study of Coulomb-nuclear interference with a more accurate method based upon an exact solution for the phase shifts in the presence of nuclear and Coulomb interactions. Making use of nuclear amplitudes obtained in a previous study of pion- He 4 elastic scattering, we show that the West-Yennie method, originally proposed for the analysis of high-energy scattering, is of limited application at low and intermediate energies. In particular, the use of that method to determine the real part of the forward (nuclear) amplitude will lead to significant errors at low energies. NUCLEAR REACTIONS Coulomb-nuclear interference. Accuracy of the West-Yennie method at low energies. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review C American Physical Society (APS)

Determination of nuclear amplitudes from the study of Coulomb-nuclear interference

Physical Review C , Volume 15 (3) – Mar 1, 1977
4 pages

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Publisher
American Physical Society (APS)
Copyright
Copyright © 1977 The American Physical Society
ISSN
1089-490X
DOI
10.1103/PhysRevC.15.1164
Publisher site
See Article on Publisher Site

Abstract

We compare the West-Yennie method for the study of Coulomb-nuclear interference with a more accurate method based upon an exact solution for the phase shifts in the presence of nuclear and Coulomb interactions. Making use of nuclear amplitudes obtained in a previous study of pion- He 4 elastic scattering, we show that the West-Yennie method, originally proposed for the analysis of high-energy scattering, is of limited application at low and intermediate energies. In particular, the use of that method to determine the real part of the forward (nuclear) amplitude will lead to significant errors at low energies. NUCLEAR REACTIONS Coulomb-nuclear interference. Accuracy of the West-Yennie method at low energies.

Journal

Physical Review CAmerican Physical Society (APS)

Published: Mar 1, 1977

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