Lifetimes of bound excited states of Pt-

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.

Kaminska, M. (author)
Kristiansson, M. K. (author)
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,1960Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)(Swepub:gu)xhanda (author)
Zettergren, H. (author)
Cederquist, H. (author)
Schmidt, H. T. (author)
Göteborgs universitetInstitutionen för fysik (GU) (creator_code:org_t)

In:Journal of Physics: Conference Series, Vol. 875, no. 022051: IOP Publishing1742-6588
In:Journal of Physics: Conference Series: IOP Publishing1742-6596

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