Nuclear bound states of the η0 meson and pion double-charge-exchange reactions

Q. Haider and L. C. Liu
Phys. Rev. C 36, 1636 – Published 1 October 1987
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Abstract

We predict a narrow resonance structure (Γ≃10 MeV) in the excitaton function of (π+,π) double-charge-exchange reactions at a pion kinetic energy of ∼419 MeV. This structure is due to the interference between the usual π+π0π double-charge-exchange amplitudes, which have a smooth energy dependence, and a resonant π+η0π high-energy double-charge-exchange amplitude associated with the formation of a strongly bound η-nucleus system. The latter process leads to a novel feature of the pion-nucleus interaction, the mesonic compound nucleus resonance.

  • Received 9 April 1987

DOI:https://doi.org/10.1103/PhysRevC.36.1636

©1987 American Physical Society

Authors & Affiliations

Q. Haider and L. C. Liu

  • Los Alamos National Laboratory, Los Alamos, New Mexico 87545

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Issue

Vol. 36, Iss. 4 — October 1987

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