Elastic and inelastic scattering of 162 MeV pions by Si28, Ni58, and Pb208

Phys. Rev. C 21, 254 – Published 1 January 1980
C. Olmer, D. F. Geesaman, B. Zeidman, S. Chakravarti, T. -S. H. Lee, R. L. Boudrie, R. H. Siemssen, J. F. Amann, C. L. Morris, H. A. Thiessen, G. R. Burleson, M. J. Devereux, R. E. Segel, and L. W. Swenson

Abstract

Angular distributions for the elastic and inelastic scattering of 162 MeV π+ and π- by Si, Ni58, and Pb208 have been measured. The elastic scattering data are fitted with optical model calculations in configuration space. Momentum-space optical-model calculations qualitatively reproduce the elastic scattering data, but substantially better agreement can be obtained if suitable modifications to the model are made. Distorted-wave impulse approximation calculations of the inelastic scattering, using both configuration-space and momentum-space models, generally reproduce the experimental data.

NUCLEAR REACTIONS Si28(π,π), Ni58(π,π), Pb208(π,π), E=162 MeV, measured dσdΩ; optical potential and DWIA collective model analyses.

DOI: http://dx.doi.org/10.1103/PhysRevC.21.254

  • Received 17 May 1979
  • Published in the issue dated January 1980

© 1980 The American Physical Society

Authors & Affiliations

C. Olmer, D. F. Geesaman, B. Zeidman, S. Chakravarti, and T. -S. H. Lee

  • Argonne National Laboratory, Argonne, Illinois 60439

R. L. Boudrie

  • University of Colorado, Boulder, Colorado 80302
  • Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87544

R. H. Siemssen

  • Kernfysisch Vernsneller Instituut, Groningen, Netherlands

J. F. Amann, C. L. Morris, and H. A. Thiessen

  • Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87544

G. R. Burleson and M. J. Devereux

  • New Mexico State University, Las Cruces, New Mexico 88001

R. E. Segel

  • Northwestern University, Evanston, Illinois 63301

L. W. Swenson

  • Oregon State University, Corvallis, Oregon 97331

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