Recoil-Ion Production from Zero-Impact-Parameter H⁺-Ar and H⁺-Kr Collisions at 20-70 keV

Authors

Akio Itoh, University of Nebraska - Lincoln
M. Eugene Rudd, University of Nebraska - LincolnFollow

Date of this Version

1-1-1987

Comments

Published in Physical Review A Volume 35, Number 1, January 1, 1987. Copyright © American Physical Society; used by permission.

Abstract

Recoil ions emitted at 70° from H⁺-Ar and at 50° and 70° from H+-Kr collisions at 20-70 keV were analyzed by an electrostatic spectrometer. Ions selected in this way result from collisions at very small, essentially zero, impact parameters. Charge states up to 6 + were identified in the spectrum. The cross section for each charge state was measured. The data indicate that these close collisions produce a larger fraction of ions in high charge states than more distant collisions.