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- Aldén, Marcus, et al.
(author)
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Two-photon excitation of atomic oxygen in a flame
- 1982
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In: Optics Communications. - : Elsevier BV. - 0030-4018. ; 42:4, s. 244-246
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Journal article (peer-reviewed)abstract
- Atomic oxygen has been detected in a lean acetylene/oxygen flame using the 2p43P2-2p33p3P two-photon transition at 226 nm and fluorescence detection at 845 nm.
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- Grafström, Peter, et al.
(author)
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Hyperfine structure and isotope shift of highly excited barium-I states
- 1982
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In: Zeitschrift für Physik A Hadrons and Nuclei. - 0939-7922. ; 306:4, s. 281-284
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Journal article (peer-reviewed)abstract
- High-resolution laser-spectroscopy measurements of hyperfine structure and isotope shifts were performed for the 6snd 1 D 2 sequence of Ba-I in the regionn=12–24. Stepwise laser excitations of a collimated atomic beam were used. A strong influence on the hyperfine structure is observed at the perturbation atn=14, caused by interaction with the 5d7d configuration. Whereas the isotope shift for the even isotopes stays essentially constant with increasingn, the odd isotopes exhibit a strong change, indicating hyperfine-induced shifts. Interesting discussions with Prof. E. Matthias in the final stage of this work are gratefully acknowledged. This work was supported by the Swedish Natural Science Research Council.
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