Low-energy pion scattering to1−states inC12

Autor: T. Averett, Christopher Morris, J. A. McGill, J. M. Applegate, R. J. Peterson, D. S. Oakley, C. M. Kormanyos, Barry Ritchie, J. Beck
Rok vydání: 1993
Předmět:
Zdroj: Physical Review C. 48:250-255
ISSN: 1089-490X
0556-2813
Popis: Differential cross sections for 40, 50, and 65 MeV [pi][sup +] and [pi][sup [minus]] inelastic scattering to 1[sup [minus]] excitations in [sup 12]C 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[sup [minus]] state at 10.84 MeV and for the giant dipole resonance from 18 to 25 MeV. An excitation function at [ital q]=224 MeV/[ital c] for the 1[sup [minus]] 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.
Databáze: OpenAIRE