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Low-energy-pion elastic scattering from light nuclei

M. D. Cooper and R. A. Eisenstein
Phys. Rev. C 13, 1334(R) – Published 1 March 1976
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Abstract

Simple π-nucleus optical potentials constructed from πN phase shifts yield poor fits to elastic scattering from He and C below 75 MeV. Forcing a fit gives potentials which are pion producing or in violation of unitarity. The forward position (∼65°) and breadth of the minimum are shown to be partially responsible. These features are also shown to require a much stronger s-wave interaction with nuclei than that derived from πN scattering.

NUCLEAR REACTIONS Scattering theory for elastic pions, light nuclei, low energy. Model shortcomings related to features of data.

  • Received 16 June 1975

DOI:https://doi.org/10.1103/PhysRevC.13.1334

©1976 American Physical Society

Authors & Affiliations

M. D. Cooper

  • University of California, Los Alamos, New Mexico 87544

R. A. Eisenstein*

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

  • *On leave at the Los Alamos Scientific Laboratory.

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Vol. 13, Iss. 3 — March 1976

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