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Theoretical evaluation of the Be-7,9(-) 2s2p(2) P-4(1/2,3/2,5/2) hyperfine structure parameters and Be 2s2p P-3(o) electron affinity

Nemouchi, M; Jönsson, Per LU ; Pinard, J and Godefroid, M (2003) In Journal of Physics B: Atomic, Molecular and Optical Physics 36(11). p.2189-2201
Abstract
The hyperfine structures of Be-7,9(-) 2s2p(2) P-4(1/2,3/2,5/2) are investigated theoretically using the multiconfiguration Hartree-Fock and configuration interaction methods. The effects of the hyperfine mixing between the fine-structure J-levels are discussed. The feasibility of some atomic spectroscopy experiments, allowing determination of the Be-7 quadrupole moment from the observed hyperfine structure of the Be-7(-) negative ion and from the present electronic parameters, is investigated. The Be 2s2p P-3(o) electron affinity is monitored as a function of the orbital and configuration spaces to assess the reliability of the wavefunctions of the neutral atom and the negative ion. The theoretical value nicely converges towards the most... (More)
The hyperfine structures of Be-7,9(-) 2s2p(2) P-4(1/2,3/2,5/2) are investigated theoretically using the multiconfiguration Hartree-Fock and configuration interaction methods. The effects of the hyperfine mixing between the fine-structure J-levels are discussed. The feasibility of some atomic spectroscopy experiments, allowing determination of the Be-7 quadrupole moment from the observed hyperfine structure of the Be-7(-) negative ion and from the present electronic parameters, is investigated. The Be 2s2p P-3(o) electron affinity is monitored as a function of the orbital and configuration spaces to assess the reliability of the wavefunctions of the neutral atom and the negative ion. The theoretical value nicely converges towards the most recent theoretical and experimental results. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Physics B: Atomic, Molecular and Optical Physics
volume
36
issue
11
pages
2189 - 2201
publisher
IOP Publishing
external identifiers
  • wos:000184057200009
  • scopus:0038209734
ISSN
0953-4075
DOI
10.1088/0953-4075/36/11/305
language
English
LU publication?
yes
id
e20caea2-14ad-4de4-9c02-58dffcc720e4 (old id 306757)
date added to LUP
2007-09-18 15:19:28
date last changed
2018-10-03 11:48:42
@article{e20caea2-14ad-4de4-9c02-58dffcc720e4,
  abstract     = {The hyperfine structures of Be-7,9(-) 2s2p(2) P-4(1/2,3/2,5/2) are investigated theoretically using the multiconfiguration Hartree-Fock and configuration interaction methods. The effects of the hyperfine mixing between the fine-structure J-levels are discussed. The feasibility of some atomic spectroscopy experiments, allowing determination of the Be-7 quadrupole moment from the observed hyperfine structure of the Be-7(-) negative ion and from the present electronic parameters, is investigated. The Be 2s2p P-3(o) electron affinity is monitored as a function of the orbital and configuration spaces to assess the reliability of the wavefunctions of the neutral atom and the negative ion. The theoretical value nicely converges towards the most recent theoretical and experimental results.},
  author       = {Nemouchi, M and Jönsson, Per and Pinard, J and Godefroid, M},
  issn         = {0953-4075},
  language     = {eng},
  number       = {11},
  pages        = {2189--2201},
  publisher    = {IOP Publishing},
  series       = {Journal of Physics B: Atomic, Molecular and Optical Physics},
  title        = {Theoretical evaluation of the Be-7,9(-) 2s2p(2) P-4(1/2,3/2,5/2) hyperfine structure parameters and Be 2s2p P-3(o) electron affinity},
  url          = {http://dx.doi.org/10.1088/0953-4075/36/11/305},
  volume       = {36},
  year         = {2003},
}