R-matrix with pseudostates study of single photon double ionization of endohedral Be and Mg atoms

We perform R-matrix with pseudostates calculations to investigate single photon double ionization of Be@C60 and Mg@C60. We contrast the present results to our previous studies of He@C60. We find the presence of the confinement resonances in the double photoionization cross sections of endohedral Be...

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Bibliographic Details
Published in:Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2015-03, Vol.48 (6), p.65201-7
Main Authors: Lee, T G, Ballance, C P, Abdel-Naby, S A, King, J L, Gorczyca, T W, Pindzola, M S
Format: Article
Language:English
Subjects:
atomic collision
Buckminsterfullerene
Confinement
Cross sections
Fullerenes
Ionization
Magnesium
Mathematical analysis
molecular physics
photoinization
Photons
Spherical shells
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Summary:We perform R-matrix with pseudostates calculations to investigate single photon double ionization of Be@C60 and Mg@C60. We contrast the present results to our previous studies of He@C60. We find the presence of the confinement resonances in the double photoionization cross sections of endohedral Be and Mg. Keeping the same C60 spherical shell potential in each case for these systems, we explore the change in magnitude and the energy dependence of the resonance features relative to the background cross sections.
ISSN:0953-4075
1361-6455
DOI:10.1088/0953-4075/48/6/065201