How well does 4He backscattering from low-Z nuclei obey the Rutherford formula?

Jack R. MacDonald, J. A. Davies, T. E. Jackman, L. C. Feldman

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)


A study of 4He backscattering (150°) cross sections for O, Al, and Si atoms in the energy range 0.6-2.3 MeV has been completed. We conclude that the 4He backscattering cross section for these elements follows the E-2 energy dependence of Rutherford backscattering to 1%-2% over this energy range. These results have significant implications for the use of 4He backscattering as a materials analysis tool for low-Z elements.

Original languageEnglish
Pages (from-to)1800-1803
Number of pages4
JournalJournal of Applied Physics
Issue number4
Publication statusPublished - 1983

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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