A Complete CDW Theory for the Single Ionization of Multielectronic Atoms by Bare Ion Impact
Laboratorio de Colisiones Atómicas, Facultad de Ciencias Exactas, Ingeniería y Agrimensura, and Instituto de Física Rosario (CONICET-UNR), Universidad Nacional de Rosario, Avenida Pellegrini 250, Rosario 2000, Argentina
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Atoms 2021, 9(1), 3; https://0-doi-org.brum.beds.ac.uk/10.3390/atoms9010003
Received: 1 December 2020 / Revised: 5 January 2021 / Accepted: 6 January 2021 / Published: 13 January 2021
(This article belongs to the Special Issue Accelerator-Based Atomic Physics: Fast Ion–Atom and Ion–Molecule Collisions)
A complete form of the post version of the continuum distorted wave (CDW) theory is used to investigate the single ionization of multielectronic atoms by fast bare heavy ion beams. The influence of the non-ionized electrons on the dynamic evolution is included through a residual target potential considered as a non-Coulomb central potential through a GSZ parametric one. Divergences found in the transition amplitude containing the short-range part of the target potential are avoided by considering, in that term exclusively, an eikonal phase instead of the continuum factor as the initial channel distortion function. In this way, we achieve the inclusion of the interaction between the target active electron and the residual target, giving place to a more complete theory. The present analysis is supported by comparisons with existing experimental electron emission spectra and other distorted wave theories.
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Keywords:
ionization; distorted wave theories; multielectronic atoms; heavy ions
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MDPI and ACS Style
Monti, J.M.; Quinto, M.A.; Rivarola, R.D. A Complete CDW Theory for the Single Ionization of Multielectronic Atoms by Bare Ion Impact. Atoms 2021, 9, 3. https://0-doi-org.brum.beds.ac.uk/10.3390/atoms9010003
AMA Style
Monti JM, Quinto MA, Rivarola RD. A Complete CDW Theory for the Single Ionization of Multielectronic Atoms by Bare Ion Impact. Atoms. 2021; 9(1):3. https://0-doi-org.brum.beds.ac.uk/10.3390/atoms9010003
Chicago/Turabian StyleMonti, Juan M.; Quinto, Michele A.; Rivarola, Roberto D. 2021. "A Complete CDW Theory for the Single Ionization of Multielectronic Atoms by Bare Ion Impact" Atoms 9, no. 1: 3. https://0-doi-org.brum.beds.ac.uk/10.3390/atoms9010003
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