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Chin. Phys. B, 2019, Vol. 28(6): 063203    DOI: 10.1088/1674-1056/28/6/063203

Charge-state populations for the neon-XFEL system

Ping Deng(邓萍)1,2, Gang Jiang(蒋刚)1,2
1 Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China;
2 Key Laboratory of High Energy Density Physics and Technology, Ministry of Education, Chengdu 610065, China

The interaction between neon and x-ray free-electron lasers with different laser parameters is systematically studied by solving a set of coupled rate equations. As an example, the evolution of 1s12s22p6 configuration is given under different incident photon numbers, pulse widths, and photon energies. We have also determined all of the charge-state populations as a function of three laser pulse parameters by averaging over time. The result shows that the variations of these charge-state populations demonstrate a pattern when the pulse width is shorter than 10 fs:some of the charge-states decrease rapidly, while the others rise but remain relatively constant for pulse width larger than 10 fs. The variation of the average charge with three parameters has also obtained. The average charge decreases for a pulse width shorter than 10 fs but remains basically unchanged for a pulse width longer than 10 fs.

Keywords:  x-ray free electron lasers      neon      charge-state population      pulse width  
Received:  14 November 2018      Revised:  03 April 2019      Accepted manuscript online: 
PACS:  32.80.Hd (Auger effect)  
  32.80.Aa (Inner-shell excitation and ionization)  

Project supported by the National Natural Science Foundation of China (Grant No. 11474208).

Corresponding Authors:  Gang Jiang     E-mail:

Cite this article: 

Ping Deng(邓萍), Gang Jiang(蒋刚) Charge-state populations for the neon-XFEL system 2019 Chin. Phys. B 28 063203

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