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Excitation of Generalized Giant Collective Multipole States by Electron Scattering

R. Raphael and H. Überall*

Carl Werntz†

  • Physics Department, The Catholic University, Washington, D. C.

  • Physics Department, The Catholic University, Washington, D. C. and U. S. Naval Ordnance Laboratory, White Oak, Maryland

  • *Supported in part by a grant from the U. S. National Science Foundation.
  • †Supported in part by a grant from the U. S. Air Force Office of Scientific Research.
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Phys. Rev. 152, 899 – Published 16 December, 1966

DOI: https://doi.org/10.1103/PhysRev.152.899

Abstract

A new collective model for finite nuclei is presented which treats all of the four types of excitations of nuclear matter in arbitrary orbital-angular-momentum states. The model avoids the normal assumption of a constant ground-state density by generating the collective motion through a coordinate-scale-factor transformation of the ground-state density distribution. The cross sections for excitation of these generalized collective states by inelastic electron scattering are calculated for monopole and quadrupole oscillations. A specific application to the 180° inelastic scattering of electrons from O16 is given. It is shown that the model exhausts the corresponding multipole sum rules.

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Phys. Rev. 152, 899– Published 16 December, 1966
  • Received 31 May 1966

© 1966 American Physical Society

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