WFRF:(Engstrom R)
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- Engstrom, L.Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH (author)
A new measurement of the 1s2s2p 4p0-1s2p2 4p transitions in c iv : Wavelengths, fine structure intervals and lifetimes
- Article/chapterEnglish1987
Publisher, publication year, extent ...
- 2006-11-15
- IOP Publishing,1987
- 5 s.
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- LIBRIS-ID:oai:lup.lub.lu.se:05d789e2-6238-49ef-b72c-2c726d12b90d
- https://lup.lub.lu.se/record/05d789e2-6238-49ef-b72c-2c726d12b90dURI
- https://doi.org/10.1088/0031-8949/36/2/011DOI
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- Language:English
- Summary in:English
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- The n = 0 transition multiplet connecting the lowest quartet states of doubly excited C IV has been studied by beam-foil spectroscopy. The fine structure splittings obtained for the 1s2s2p 4p0and 1s2p2 4p terms confirm previous experimental results with an improved accuracy. The average transition wavelength = (1344.49 0.04)A is now more precisely determined by about a factor of eight. At the new level of precision this value shows a small but significant deviation from the best theoretical predictions. The lifetimes of the 1s2p2 4p levels have been determined as = (0.71 0.07)ns for 4P5/2 and = (1.66 0.13)ns for 4p3/2. The latter value disagrees with previous experimental results but is in excellent agreement with an isoelectronic trend analysis.
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- Hutton, R.Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)astr-rhu (author)
- Reistad, N.Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-nre (author)
- Martinson, I.Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-ima (author)
- Huldt, S.Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-shu (author)
- Mannervik, S.The Institute For Solar Physics (author)
- Trabert, E.Ruhr-University Bochum (author)
- Fysiska institutionenInstitutioner vid LTH (creator_code:org_t)
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- In:Physica Scripta: IOP Publishing36:2, s. 250-2540031-89491402-4896
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