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Radiative lifetimes of the bound excited states of Pt-
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- Chartkunchand, Kiattichart C. (author)
- Stockholms universitet,Fysikum
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- Kaminska, Magdalena (author)
- Stockholms universitet,Fysikum,Jan Kochanowski University, Poland
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- Anderson, Emma K. (author)
- Stockholms universitet,Fysikum
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- Källberg, A. (author)
- Davis, V. T. (author)
- Neill, P. A. (author)
- Thompson, J. S. (author)
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- (creator_code:org_t)
- 2016
- 2016
- English.
- In: Physical Review A - Atomic, Molecular, and Optical Physics. - 1050-2947 .- 1094-1622. ; 94:3
- Journal article (peer-reviewed)
Abstract
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- © 2016 American Physical Society.The intrinsic radiative lifetimes of the 5d106sS1/22 and 5d96s2 D3/22 bound excited states in the platinum anion Pt- have been studied at cryogenic temperatures at the Double ElectroStatic Ion Ring Experiment (DESIREE) facility at Stockholm University. The intrinsic lifetime of the higher-lying 5d106s S1/22 state was measured to be 2.54±0.10s, while only a lifetime in the range of 50-200 ms could be estimated for the 5d96s2 D3/22 fine-structure level. The storage lifetime of the Pt- ion beam was measured to be a little over 15 min at a ring temperature of 13K. The present study reports the lifetime of an atomic negative ion in an excited bound state with an electron configuration different from that of the 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)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
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