Impact-parameter dependence of K-shell ionization by protons

E. Laegsgaard, J. U. Andersen, Leonard C Feldman

Research output: Contribution to journalArticlepeer-review

55 Citations (Scopus)


By means of a coincidence technique we have studied the distribution in scattering angle and inelastic energy loss of protons which have ionized the K shell in a collision with an atom. At low proton velocities, the angular distribution may be interpreted as an impact-parameter dependence and compared to semiclassical calculations. In particular, the predicted importance of the adiabatic distance, rad=vω, is confirmed.

Original languageEnglish
Pages (from-to)1206-1208
Number of pages3
JournalPhysical Review Letters
Issue number18
Publication statusPublished - 1972

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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