Excited states of positronic atoms

Bromley, M. W. J. and Mitroy, J. (2007) Excited states of positronic atoms. Physical Review A, 75 4: 042506 -1-042506 -10. doi:10.1103/PhysRevA.75.042506

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Author Bromley, M. W. J.
Mitroy, J.
Title Excited states of positronic atoms
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2007-04
Sub-type Article (original research)
DOI 10.1103/PhysRevA.75.042506
Open Access Status File (Publisher version)
Volume 75
Issue 4
Start page 042506 -1
End page 042506 -10
Total pages 10
Place of publication College Park, MD, U.S.A.
Publisher American Physical Society
Language eng
Formatted abstract
The existence and structure of positronic atoms with a total angular momentum of L=1 is studied with the configuration interaction method. Evidence is presented that there is a 2Po state of e+Ca and 2,4Po states of e+Be(3Po) that are electronically stable with binding energies of 45 meV and 2.6 meV, respectively. These predictions rely on the use of an asymptotic series analysis to estimate the angular L→∞ limit of the energy. Incorporating corrections that compensate for the finite range of the radial basis increased the binding energies of e+Ca and e+Be to 71 meV and 42 meV, respectively.
Keyword Quantum-Defect Theory
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Article number 042506

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
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Citation counts: TR Web of Science Citation Count  Cited 15 times in Thomson Reuters Web of Science Article | Citations
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