Zeitschrift für Physik

, Volume 248, Issue 3, pp 254–263 | Cite as

Absolute excitation cross sections for the 41S-, 41D- and 31P-levels of helium excited by fast protons

  • D. Hasselkamp
  • R. Hippler
  • A. Scharmann
  • K. H. Schartner
Article

Abstract

We have measured absolute cross sections for proton excitation of the 31P-,41S- and 41D-levels of He in the energy range from 200 keV to 1 MeV. Calibration with a tungsten lamp mounted in the collision chamber and normalization on the high energy first Born approximation 31P values for protons and electrons were used to obtain absolute data. At 1 MeV the experimental results agree within 10% with the first Born approximation values.

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Copyright information

© Springer-Verlag 1971

Authors and Affiliations

  • D. Hasselkamp
    • 1
  • R. Hippler
    • 1
  • A. Scharmann
    • 1
  • K. H. Schartner
    • 1
  1. 1.I. Physikalisches Institut der Universität GießenDeutschland

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