Experimental and Theoretical Radiative Lifetimes, Branching Fractions, Transition Probabilities, and Oscillator Strengths of Some Highly Excited Odd-parity Levels in Ir i
Radiative lifetimes of 62 odd-parity levels of Ir i in the energy range between 32513.43 and 58625.10 cm−1 were measured using the time-resolved laser-induced fluorescence technique. The lifetime values obtained are in the range from 3.2 to 345 ns. To our best knowledge, 59 results are reported for...
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| Veröffentlicht in: | The Astrophysical journal. Supplement series 2018-09, Vol.238 (1), p.3 |
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| creator | Zhou, Lina Gamrath, Sébastien Palmeri, Patrick Quinet, Pascal Zhang, Meiqi Dai, Zhenwen |
| description | Radiative lifetimes of 62 odd-parity levels of Ir i in the energy range between 32513.43 and 58625.10 cm−1 were measured using the time-resolved laser-induced fluorescence technique. The lifetime values obtained are in the range from 3.2 to 345 ns. To our best knowledge, 59 results are reported for the first time. These are compared to computed data deduced from a pseudo-relativistic Hartree-Fock model including core-polarization contributions. From the combination of the experimental lifetime measurements and branching fraction calculations, a new set of transition probabilities and oscillator strengths is derived for 134 Ir i spectral lines of astrophysical interest in the wavelength region from 205 to 418 nm. |
| doi_str_mv | 10.3847/1538-4365/aad90f |
| format | Article |
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The lifetime values obtained are in the range from 3.2 to 345 ns. To our best knowledge, 59 results are reported for the first time. These are compared to computed data deduced from a pseudo-relativistic Hartree-Fock model including core-polarization contributions. 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From the combination of the experimental lifetime measurements and branching fraction calculations, a new set of transition probabilities and oscillator strengths is derived for 134 Ir i spectral lines of astrophysical interest in the wavelength region from 205 to 418 nm.</description><subject>atomic data</subject><subject>Fluorescence</subject><subject>Laser induced fluorescence</subject><subject>Line spectra</subject><subject>methods: data analysis</subject><subject>Oscillator strengths</subject><subject>Parity</subject><subject>Physical, chemical, mathematical & earth Sciences</subject><subject>Physics</subject><subject>Physique</subject><subject>Physique, chimie, mathématiques & sciences de la terre</subject><subject>techniques: spectroscopic</subject><subject>Transition probabilities</subject><issn>0067-0049</issn><issn>1538-4365</issn><issn>1538-4365</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kUFv1DAUhCMEEkvhztESHBtqx7HjHKHa0korFdHlbL04L1mvsnGwvavuX-qvrKMgeoGTPaNvRpYnyz4y-oWrsrpigqu85FJcAbQ17V5lq7_W62xFqaxySsv6bfYuhD2ltBK8XmVP68cJvT3gGGEgMLZku0PnMVqT9E9oLUR7QrKxXfIOGC7JNw-j2dmxJzceTLRuTOY2mcHOgvzwroHGDknN-Nx5H4wdBojOk4focezjLhDXkQd3QHJr-91wJutHYyMmtm3zCbyNZ7LBEw6B2JHceWLfZ286GAJ--HNeZL9u1tvr23xz__3u-usmN2XBY64UyMqorqVYt8oIEExSUXJVNcCg65jiRnDaNFTSqm4qKepWKMZK2nBRYMUvMr70DhZ71M43Vp8K7cAu9-PQazC6QV0UUumCy5LKlPq0pCbvfh8xRL13Rz-mhyZCVJKVTM4UXSjjXQgeOz2lzwd_1ozqeUc9j6bn0fSyY4p8XiLWTS-dMO3nYqWZ5npqZ-zyH9h_W58BKC6tWA</recordid><startdate>20180901</startdate><enddate>20180901</enddate><creator>Zhou, Lina</creator><creator>Gamrath, Sébastien</creator><creator>Palmeri, Patrick</creator><creator>Quinet, Pascal</creator><creator>Zhang, Meiqi</creator><creator>Dai, Zhenwen</creator><general>The American Astronomical Society</general><general>IOP Publishing</general><general>Institute of Physics Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><scope>Q33</scope><orcidid>https://orcid.org/0000-0002-9040-2315</orcidid></search><sort><creationdate>20180901</creationdate><title>Experimental and Theoretical Radiative Lifetimes, Branching Fractions, Transition Probabilities, and Oscillator Strengths of Some Highly Excited Odd-parity Levels in Ir i</title><author>Zhou, Lina ; Gamrath, Sébastien ; Palmeri, Patrick ; Quinet, Pascal ; Zhang, Meiqi ; Dai, Zhenwen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c423t-88a67c8fd0e9d8c5a516054387ba1aff183c530bb06079b7659d581140b352e73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>atomic data</topic><topic>Fluorescence</topic><topic>Laser induced fluorescence</topic><topic>Line spectra</topic><topic>methods: data analysis</topic><topic>Oscillator strengths</topic><topic>Parity</topic><topic>Physical, chemical, mathematical & earth Sciences</topic><topic>Physics</topic><topic>Physique</topic><topic>Physique, chimie, mathématiques & sciences de la terre</topic><topic>techniques: spectroscopic</topic><topic>Transition probabilities</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Lina</creatorcontrib><creatorcontrib>Gamrath, Sébastien</creatorcontrib><creatorcontrib>Palmeri, Patrick</creatorcontrib><creatorcontrib>Quinet, Pascal</creatorcontrib><creatorcontrib>Zhang, Meiqi</creatorcontrib><creatorcontrib>Dai, Zhenwen</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Université de Liège - Open Repository and Bibliography (ORBI)</collection><jtitle>The Astrophysical journal. 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| subjects | atomic data Fluorescence Laser induced fluorescence Line spectra methods: data analysis Oscillator strengths Parity Physical, chemical, mathematical & earth Sciences Physics Physique Physique, chimie, mathématiques & sciences de la terre techniques: spectroscopic Transition probabilities |
| title | Experimental and Theoretical Radiative Lifetimes, Branching Fractions, Transition Probabilities, and Oscillator Strengths of Some Highly Excited Odd-parity Levels in Ir i |
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