Research Papers in Physics and Astronomy

 

Date of this Version

1972

Comments

Published in Physical Review Letters 28, 127 - 130 (1972)
©1972 The American Physical Society. Used by permission.
URL: http://link.aps.org/doi/10.1103/PhysRevLett.28.127
DOI: 10.1103/PhysRevLett.28.127

Abstract

Profiles of the 2s2 (1S) autoionizing state in He have been observed in the ejected-electron spectrum of H+ + He for small angles of ejection and for H+ energies of 6 to 150 keV. The shape parameter q shows an increasing dependence on projectile energy as the angle of ejection is decreased, with strong, quasiperiodic oscillations appearing at 10°.

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