Ionization dynamics in fast ion-atom collisions. II. Final-state momentum distributions of the ionization products in collisions of He with bare carbon ions

Lokesh C. Tribedi, P. Richard, Y. D. Wang, C. D. Lin, R. E. Olson, L. Gulyas

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We have used the energy and angular distributions of the low-energy electron emission cross sections from the preceding paper [Lokesh C. Tribedi et al., Phys. Rev. A 58, 3619 (1998)] to derive the doubly differential final-state longitudinal momentum distributions of the electrons, recoil ions, and projectiles in ion-atom ionization for [Formula Presented] The complementary nature of the electron spectroscopy and the recoil-ion momentum spectroscopy have been investigated using a formulation based on three-body kinematics to explore the ionization dynamics in detail. The influence of the three-body ionization as well as the binary-encounter processes on the recoil-ion (and projectile) longitudinal momentum distributions has been investigated. The separation of the soft- and hard-collision branches of recoil-ion distributions is an important feature of the present technique. The present method also allows one to determine cross sections for very large electron momenta. The single- differential distributions are also derived by numerical integration of the double-differential distributions. The first Born approximation, the continuum distorted wave eikonal initial state, and the classical trajectory Monte Carlo calculations are used to explain the data.

Original languageEnglish
Pages (from-to)3626-3633
Number of pages8
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume58
Issue number5
DOIs
Publication statusPublished - Jan 1 1998

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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