Radiative lifetimes, branching fractions, and oscillator strengths of high-lying levels in Re i

Li, Yongfan; Gamrath, S.; Palmeri, P.; Quinet, Pascal; Li, Q.; Yu, Q.; Zhang, M.; Zhou, L.; Dai, Z.

doi:10.1093/mnras/stz3144

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Article (Scientific journals)

Radiative lifetimes, branching fractions, and oscillator strengths of high-lying levels in Re i

Li, Yongfan; Gamrath, S.; Palmeri, P. et al.

2020 • In Monthly Notices of the Royal Astronomical Society, 491 (2), p. 2953-2958

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/260937

DOI
10.1093/mnras/stz3144

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Keywords :

Atomic data; Atomic processes; Methods: laboratory: atomic; Techniques: spectroscopic

Abstract :

[en] Radiative lifetimes of 19 levels in Re I were measured using the time-resolved laser-induced fluorescence method. As far as we know, 15 results are reported for the first time. By combining the experimental lifetimes determined from this work with theoretical branching fractions obtained by a pseudo-relativistic Hartree-Fock model including core-polarization contributions, a new set of semi-empirical transition probabilities and oscillator strengths for 47 Re I lines from 18 newly measured levels were derived. © 2019 The Author(s).

Disciplines :

Physics

Author, co-author :

Li, Yongfan

Gamrath, S.; Physique Atomique et Astrophysique, Université de Mons, Mons, B-7000, Belgium

Palmeri, P.; Physique Atomique et Astrophysique, Université de Mons, Mons, B-7000, Belgium

Quinet, Pascal ; Université de Liège - ULiège > Département de physique > Spectroscopie atomique et Physique des atomes froids

Li, Q.; Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun, 130012, China

Yu, Q.; Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun, 130012, China

Zhang, M.; Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun, 130012, China

Zhou, L.; Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun, 130012, China

Dai, Z.; Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun, 130012, China

Language :

English

Title :

Radiative lifetimes, branching fractions, and oscillator strengths of high-lying levels in Re i

Publication date :

2020

Journal title :

Monthly Notices of the Royal Astronomical Society

ISSN :

0035-8711

eISSN :

1365-2966

Publisher :

Oxford University Press

Volume :

491

Issue :

Pages :

2953-2958

Peer reviewed :

Peer Reviewed verified by ORBi

Funders :

NSCF - National Natural Science Foundation of China

Funding text :

20180101239JCNational Natural Science Foundation of China, NSFC: U1832114

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