Positron Impact Ionisation of H and He Atoms: The Continuum Model

Author:

Ratnavelu K

Abstract

The continuum optical potential model is used to calculate the ionisation cross sections of H and He by positron impact. The present e+-H result is compared with the recent first measurement of e+ -H ionisation cross sections. The e+ -He calculation is also presented, together with the experimental measurements. A comparison with other theoretical results is also given.

Publisher

CSIRO Publishing

Subject

General Physics and Astronomy

Cited by 14 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. A Computational Approach to the Three-Body Coulomb Problem: Positron Scattering from Atomic Systems;Springer Proceedings in Mathematics & Statistics;2021

2. Recent progress in the description of positron scattering from atoms using the convergent close-coupling theory;Journal of Physics B: Atomic, Molecular and Optical Physics;2016-10-24

3. Recent positron-atom cross section measurements and calculations;The European Physical Journal D;2014-10

4. Ionizing Collisions by Positrons and Positronium Impact on the Inert Atoms;Advances In Atomic, Molecular, and Optical Physics;2008

5. Positron-impact ionization and positronium formation from helium;Journal of Physics B: Atomic, Molecular and Optical Physics;2005-10-11

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