Precision measurement of excited spectra of oxygen ions | Zendy

Yang Zhi-Hu | Zendy; Xiaoan Zhang | Zendy; Yongtao Zhao | Zendy; Yin Wei-Wei | Zendy; Li Ning-Xi | Zendy

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Precision measurement of excited spectra of oxygen ions

Author(s) -

Yang Zhi-Hu,

Xiaoan Zhang,

Yongtao Zhao,

Yin Wei-Wei,

Li Ning-Xi

Publication year - 2006

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.55.4520

Subject(s) - monochromator , spectral line , excited state , atomic physics , ion , ionization , foil method , materials science , tandem accelerator , atom (system on chip) , beam (structure) , physics , optics , wavelength , quantum mechanics , astronomy , computer science , composite material , embedded system

Spectra of the ionized oxygen atom were researched with the Pro-500i monochromator equipped with CCD. The beam foil method was used at energy of 2 MeV in a 2×1.7 Tandem accelerator. In this work, we report 201 spectral lines determined in the region 250—350 nm, and most spectral lines were attributed to nl energy level transitions from OⅡ to OⅣ atoms. Our experimental results are in good agreement with existing theoretical calculations. Many lines reported in this paper have not been measured in past experiments, and a majority of them are week transitional lines.

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