Low-energy pion scattering to 1- states in C12

C. M. Kormanyos, R. J. Peterson, J. Applegate, J. Beck, T. D. Averett, Barry Ritchie, C. L. Morris, J. McGill, D. S. Oakley

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Abstract

Differential cross sections for 40, 50, and 65 MeV π+ and π- inelastic scattering to 1- excitations in C12 have been measured and compared to distorted wave impulse approximation (DWIA) reaction model predictions. Strengths are presented in terms of sum rules for the 1- state at 10.84 MeV and for the giant dipole resonance from 18 to 25 MeV. An excitation function at q=224 MeV/c for the 1- state at 10.84 MeV is displayed in the energy range from 50 to 291 MeV showing a non-spin-flip pattern. We find inadequacies in the detailed comparison of the shapes of the data to DWIA calculations using several standard nuclear models.

Original languageEnglish (US)
Pages (from-to)250-255
Number of pages6
JournalPhysical Review C
Volume48
Issue number1
DOIs
StatePublished - Jan 1 1993

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Kormanyos, C. M., Peterson, R. J., Applegate, J., Beck, J., Averett, T. D., Ritchie, B., Morris, C. L., McGill, J., & Oakley, D. S. (1993). Low-energy pion scattering to 1- states in C12. Physical Review C, 48(1), 250-255. https://doi.org/10.1103/PhysRevC.48.250