EPJ Web Conf.
Volume 170, 2018ANIMMA 2017 – Advancements in Nuclear Instrumentation Measurement Methods and their Applications
|Number of page(s)||5|
|Published online||10 January 2018|
Triply Differential Ionization Cross Sections of atomic and molecular targets by single electron impact
Université de Strasbourg, CNRS IPHC UMR 7178, F-67000 Strasbourg, France
AZM research center, EDST Lebanese University Tripoli, Lebanon
Institut de Physique et Chimie des Matériaux de Strasbourg 23 rue du Loess, BP 43, 67034 Strasbourg, France
Laboratoire de Physique Moléculaire et des Collisions UMR CNRS 7565, Université de Lorraine 1 Boulevard Arago, 57078 Metz Cedex 3, France
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Published online: 10 January 2018
We present numerically calculated triply differential cross sections for the simple ionization of two targets, atomic hydrogen and ammonia, in the First Born Approximation framework with one Coulomb wave describing the ejected electron. The partial wave series of the wavefunctions centered around the same origin were used and the intial state molecular wavefunction was derived using information provided by Gaussian03 software for ammonia. The theoretical results are calculated in the geometrical settings and kinematical conditions of previous experiments and are compared to published experimental and theoretical data. The results show good agreement with previous studies based on the same model for hydrogen. The general shape of the triply differential cross sections obtained for ammonia are in acceptable agreement with experimental data in the binary region but not in the recoil region where our simple framework fails to reconstruct the recoil peaks.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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