Research Papers in Physics and Astronomy

 

Date of this Version

February 2007

Comments

Published by American Institute of Physics. J. Chem. Physics 126, 064101 (2007). ©2007 American Institute of Physics. Permission to use. http://jcp.aip.org/.

Abstract

The accuracy of the JWKB method for determining the survival factor defined for dissociative electron attachment (DEA) processes is examined for a range of electronic resonance lifetimes within the local complex potential approximation. The author concludes that the accuracy is inadequate for molecules with properties commonly found for shape resonance induced DEA. More accurate methods using the uniform Airy function approximation give much better results, but the direct numerical integration of Schrödinger’s equation appears simpler still. © 2007 American Institute of Physics.



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