High Power Laser Science and Engineering, 2021, 9 (1): 010000e9, Published Online: Mar. 4, 2021  

Emission mechanism for the silicon He-α lines in a photoionization experiment Download: 720次

Author Affiliations
1 Department of Astronomy, Beijing Normal University, Beijing100875, China
2 College of Physics and Electronic Engineering, Qilu Normal University, Jinan250200, China
3 CAS Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing100101, China
4 School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing101408, China
5 Graduate School of China Academy of Engineering Physics, Beijing100196, China
6 Collaborative Innovation Center of IFSA (CICIFSA), Shanghai Jiao Tong University, Shanghai200240, China
Abstract
In this paper, we present a reanalysis of the silicon He-$\mathrm{\alpha}$ X-ray spectrum emission in Fujioka et al.’s 2009 photoionization experiment. The computations were performed with our radiative-collisional code, RCF. The central ingredients of our computations are accurate atomic data, inclusion of satellite lines from doubly excited states and accounting for the reabsorption of the emitted photons on their way to the spectrometer. With all these elements included, the simulated spectrum turns out to be in good agreement with the experimental spectrum.

Bo Han, Feilu Wang, David Salzmann, Jiayong Zhong, Gang Zhao. Emission mechanism for the silicon He-α lines in a photoionization experiment[J]. High Power Laser Science and Engineering, 2021, 9(1): 010000e9.

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