Affordable Access

Publisher Website

Recommended data for excitation rate coefficients of helium atoms and helium-like ions by electron impact

Authors
Journal
Atomic Data and Nuclear Data Tables
0092-640X
Publisher
Elsevier
Publication Date
Volume
42
Issue
2
Identifiers
DOI: 10.1016/0092-640x(89)90010-7

Abstract

Abstract Cross sections or effective collision strengths are compiled for electron-impact excitation of helium atoms and He-like ions. An evaluation is made to identify the “best” determined values for use for the transitions 1 1 S−2 1,3 S and 1 1 S−2 1,3 P of target ions of Z = 2, 3, 6, 8, 12, 20, 22, 26, 28, 34, and 42. The resulting evaluated data are fitted to an analytical formula to generate a set of recommended values. The fitting coefficients are given in a table; the rate coefficients calculated therefrom are shown graphically. The reliability of the recommended data is estimated roughly.

There are no comments yet on this publication. Be the first to share your thoughts.