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Lifetimes of bound excited states of Pt-

Chartkunchand, K. C. (author)
Kaminska, M. (author)
Kristiansson, M. K. (author)
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Eklund, G. (author)
Hole, O. K. (author)
Nascimento, R. F. (author)
Blom, M. (author)
Björkhagen, M. (author)
Källberg, A. (author)
Löfgren, P. (author)
Reinhed, P. (author)
Rosén, S. (author)
Mannervik, S. (author)
Davies, V. T. (author)
Neill, P. A. (author)
Thompson, J. S. (author)
Hanstorp, Dag, 1960 (author)
Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)
Zettergren, H. (author)
Cederquist, H. (author)
Schmidt, H. T. (author)
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 (creator_code:org_t)
2017-08-18
2017
English.
In: Journal of Physics: Conference Series, Vol. 875, no. 022051. - : IOP Publishing. - 1742-6588.
  • Conference paper (peer-reviewed)
Abstract Subject headings
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  • Measurements of the radiative lifetimes of the two excited states of the platinum anion Pt- are presented. Pt- ions stored in the cryogenic ion storage ring DESIREE were photodetached at different photon wavelengths and the resulting yield of neutral Pt measured as a function of time was recorded. Analysis of the neutral decay curves show a 2.54 +/- 0.10 s lifetime for the higher-lying 5d(10)6(s) S-2(1/2) excited state and a lifetime in the range of 50-200 ms for the lower- lying 5d(9)6(s)(2) D-2(3/2) excited state. This is the first study to report the lifetime of a bound anion excited state with an electron configuration different from that of the anion ground state.

Subject headings

NATURVETENSKAP  -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)

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kon (subject category)

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