Research Papers in Physics and Astronomy

 

Date of this Version

1970

Comments

Published in Physical Review Letters 25, 1599 - 1601 (1970)
©1970 The American Physical Society
URL: http://link.aps.org/doi/10.1103/PhysRevLett.25.1599
DOI: 10.1103/PhysRevLett.25.1599

Abstract

We have observed a prominent peak in the energy spectrum of electrons ejected in the forward direction from helium bombarded by protons ranging in energy from 100 to 300 keV. The peak occurs at an ejected-electron velocity equal to the velocity of the incident proton. The experimental results verify the existence of the mechanism of charge transfer into continuum states of the incident ion.

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