Radiative lifetimes of neutral samarium
Radiative lifetimes of 120 odd-parity levels of neutral samarium, ranging in energy from 17 190 to 33 507 cm−1, are measured using the technique of time-resolved laser-induced fluorescence on a slow atomic beam. This work is part of an ongoing study of radiative properties of rare earth neutral atom...
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| Veröffentlicht in: | Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2013-09, Vol.46 (18), p.185001-1-6 |
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| container_issue | 18 |
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| container_title | Journal of physics. B, Atomic, molecular, and optical physics |
| container_volume | 46 |
| creator | Den Hartog, E A Lawler, J E |
| description | Radiative lifetimes of 120 odd-parity levels of neutral samarium, ranging in energy from 17 190 to 33 507 cm−1, are measured using the technique of time-resolved laser-induced fluorescence on a slow atomic beam. This work is part of an ongoing study of radiative properties of rare earth neutral atoms, and is motivated by research needs in astrophysics and lighting technology. This set of Sm i lifetimes substantially increases the available published lifetime data, with 49 of the 120 level lifetimes measured for the first time. These data, most of which are accurate to ±5%, will be combined with branching fractions determined from Fourier transform spectroscopy to produce a large set of measured Sm i transition probabilities. |
| doi_str_mv | 10.1088/0953-4075/46/18/185001 |
| format | Article |
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This work is part of an ongoing study of radiative properties of rare earth neutral atoms, and is motivated by research needs in astrophysics and lighting technology. This set of Sm i lifetimes substantially increases the available published lifetime data, with 49 of the 120 level lifetimes measured for the first time. 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| ispartof | Journal of physics. B, Atomic, molecular, and optical physics, 2013-09, Vol.46 (18), p.185001-1-6 |
| issn | 0953-4075 1361-6455 |
| language | eng |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Atomic and molecular physics Atomic properties and interactions with photons Energy use Exact sciences and technology Fluorescence Fourier transforms Illumination Intensities and shapes of atomic spectral lines lifetimes oscillator strengths Oscillator strengths, lifetimes, transition moments Physics Radiative lifetime Rare earth metals rare earths Samarium Transition probabilities |
| title | Radiative lifetimes of neutral samarium |
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