Research of Photoionization Cross-Section of Argon in Soft X-Ray Region of Synchrotron Radiation

ZHENG Lei; CUI Ming-Qi; ZHAO Yi-Dong; ZHU Jie; ZHU Pei-Ping

Chinese Physics C> 2003, Vol. 27> Issue(6) : 555-558

Research of Photoionization Cross-Section of Argon in Soft X-Ray Region of Synchrotron Radiation

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039,China

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Abstract：
Photoionization cross-sections of Ar under several pressure values are measured in the energy region from 180eV to 270eV by using monochromatic X-ray produced by the 3W1B beamline of Beijing Synchrotron Radiation Facility (BSRF). The experimental result indicates that the photoionization cross-section of Ar is obviously affected by the pressure of Ar in the vicinity of the edge of L-absorption of Ar: the higher the pressure, the smaller the photoionization cross-section.

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ZHENG Lei, CUI Ming-Qi, ZHAO Yi-Dong, ZHU Jie and ZHU Pei-Ping. Research of Photoionization Cross-Section of Argon in Soft X-Ray Region of Synchrotron Radiation[J]. Chinese Physics C, 2003, 27(6): 555-558.

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Received: 2002-07-03
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Research of Photoionization Cross-Section of Argon in Soft X-Ray Region of Synchrotron Radiation

Corresponding author: CUI Ming-Qi,

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039,China

Received Date: 2002-07-03
Accepted Date: 1900-01-01
Available Online: 2003-06-05

Abstract: Photoionization cross-sections of Ar under several pressure values are measured in the energy region from 180eV to 270eV by using monochromatic X-ray produced by the 3W1B beamline of Beijing Synchrotron Radiation Facility (BSRF). The experimental result indicates that the photoionization cross-section of Ar is obviously affected by the pressure of Ar in the vicinity of the edge of L-absorption of Ar: the higher the pressure, the smaller the photoionization cross-section.