Isobaric Analog States in Pion Single-Charge-Exchange Reactions on and above the (3,3) Resonance Energy

U. Sennhauser, E. Piasetzky, H. W. Baer, J. D. Bowman, M. D. Cooper, H. S. Matis, H. J. Ziock, J. Alster, A. Erell, M. A. Moinester, and F. Irom
Phys. Rev. Lett. 51, 1324 – Published 10 October 1983
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Abstract

The 0° differential cross sections of (π+, π0) reactions on a series of nuclei to isobaric analog states were determined at 165, 230, and 295 MeV. For each energy, the A dependence is well described by a power law of the form σ=g(E)(NZ)Aα(E), where α(E) is a decreasing function of energy. The 0° excitation functions peak around the (3,3) resonance energy for all nuclei except Zr90. A possible explanation in terms of neutron and proton densities is discussed.

  • Received 1 August 1983

DOI:https://doi.org/10.1103/PhysRevLett.51.1324

©1983 American Physical Society

Authors & Affiliations

U. Sennhauser, E. Piasetzky, H. W. Baer, J. D. Bowman, M. D. Cooper, H. S. Matis, and H. J. Ziock

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

J. Alster, A. Erell, and M. A. Moinester

  • Tel Aviv University, Ramat Aviv, 69978 Tel Aviv, Israel

F. Irom

  • Arizona State University, Tempe, Arizona 85281

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Issue

Vol. 51, Iss. 15 — 10 October 1983

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