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Elastic Scattering of 160-MeV Protons from Be9, Ca40, Ni58, Sn120, and Pb208

Philip G. Roos* and N. S. Wall

  • Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, Massachusetts and Department of Physics and Astronomy, University of Maryland, College Park, Maryland

  • *This work was in part the doctoral thesis of P. G. R.

Phys. Rev. 140, B1237 – Published 6 December, 1965

DOI: https://doi.org/10.1103/PhysRev.140.B1237

Abstract

Using a good-resolution total-energy scintillation spectrometer, the elastic-scattering differential cross sections of 160-MeV protons from Be9, Ca40, Ni58, Sn120, and Pb208 have been measured. Optical-model analyses of the data have been made, and the pertinent parameters are given. The most significant result of the analyses is that the extent of the imaginary part of the optical potential has a radius of the order of 1013 cm greater than that of the real part, independent of atomic weight.

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