Extreme ultraviolet and visible spectroscopy of promethiumlike heavy ions

被引:42
作者
Kobayashi, Yusuke [1 ]
Kubota, Kai [1 ]
Omote, Kazuki [1 ]
Komatsu, Akihiro [1 ]
Sakoda, Junpei [1 ]
Minoshima, Maki [1 ]
Kato, Daiji [2 ,3 ]
Li, Jiguang [4 ]
Sakaue, Hiroyuki A. [2 ]
Murakami, Izumi [2 ,3 ]
Nakamura, Nobuyuki [1 ]
机构
[1] Univ Electrocommun, Inst Laser Sci, Chofu, Tokyo 1828585, Japan
[2] Natl Inst Nat Sci, Natl Inst Fus Sci, Toki, Gifu 5095292, Japan
[3] Grad Univ Adv Studies, Dept Fus Sci, SOKENDAI, Toki, Gifu 5095292, Japan
[4] Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China
来源
PHYSICAL REVIEW A | 2015年 / 92卷 / 02期
关键词
ISOELECTRONIC SEQUENCE; SPECTRA; TRANSITIONS; TUNGSTEN; PACKAGE; SEARCH; FUSION; LINES; AU;
D O I
10.1103/PhysRevA.92.022510
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present extreme ultraviolet and visible spectra of promethiumlike tungsten and gold obtained with an electron beam ion trap. Although the contributions from a few charge states are involved in the spectra, the charge state of the ion assigned to the observed lines is definitely identified by the time-of-flight (TOF) analysis of the ions performed at the same time with the spectroscopic measurements. Experimental results are compared with collisional-radiative model calculations as well as previous experimental and theoretical studies. Some ambiguous identifications in the previous observations have been clarified owing to the definite identification by the TOF analysis.
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页数:9
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