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Atomic-number dependence of the magnetic-sublevel population in the autoionization state formed in dielectronic recombination

The magnetic-sublevel population of the autoionization state formed in dielectronic recombination (DR) of highly charged heavy ions has been experimentally investigated by combining two types of measurements with an electron beam ion trap. The two different measurements are the differential x-ray me...

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Bibliographic Details
Main Author: Hu, Zhimin (Author)
Format: Article (Journal)
Language:English
Published: 1 December 2014
In: Physical review. A, Atomic, molecular, and optical physics
Year: 2014, Volume: 90, Issue: 6
ISSN:1094-1622
DOI:10.1103/PhysRevA.90.062702
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevA.90.062702
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevA.90.062702
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Author Notes:Zhimin Hu, Yueming Li, Xiaoying Han, Daiji Kato, Xiaomin Tong, Hirofumi Watanabe, and Nobuyuki Nakamura
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Summary:The magnetic-sublevel population of the autoionization state formed in dielectronic recombination (DR) of highly charged heavy ions has been experimentally investigated by combining two types of measurements with an electron beam ion trap. The two different measurements are the differential x-ray measurement at 90∘ with respect to the electron beam and the integral resonance-strength measurement. The alignment parameter, which denotes the magnetic-sublevel population distribution, has been obtained for the autoionization states [1s2s22p1/2]1 formed in DR of Li-like Pr (atomic number Z=59) and Ho (Z=67). This work is a complement to our previous work [Phys. Rev. Lett. 108, 073002 (2012)] on Li-like Au (Z=79). The experimental results are in reasonable agreement with theoretical predictions, and a strong Z-dependent tendency due to the Breit interaction has been confirmed.
Item Description:Gesehen am 21.10.2020
Physical Description:Online Resource
ISSN:1094-1622
DOI:10.1103/PhysRevA.90.062702

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