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Squared form factors of valence-shell excitations of atomic argon studied by high-resolution inelastic x-ray scattering
Kang, X.; Yang, K.; Liu, Y. W.; Xu, W. Q.; Hiraoka, N.; Tsuei, K. D.; Zhang, P. F.; Zhu, L. F.
2012
Source PublicationPHYSICAL REVIEW A
ISSN1050-2947
Volume86Issue:2
AbstractState-resolved squared form factors of the electric monopolar excitations to 3p(5)4p[1/2](0) and 3p(5)4p'[1/2](0), the electric dipolar excitations to 3p(5)4s[3/2](1) and 3p(5)4s'[1/2](1), and the electric quadrupolar excitations to 3p(5)4p[5/2](2), 3p(5)4p[3/2](2), and 3p(5)4p'[3/2](2) of argon are determined by inelastic x-ray scattering with a high resolution of 70 meV. Good agreement is observed between the present results and the calculations of the random phase approximation with exchange except that the present results of 3p(5)4s'[1/2](1) in q(2) > 3 a.u. are smaller and 3p(5)4p[1/2](0) in q(2) < 1.5 a.u. are larger than the theoretical results. The difference may be due to the difficulty of obtaining accurate wave functions or dealing with the electronic correlations for a heavier atom such as argon. The disagreements between the present squared form factors and the ones measured by electron energy loss spectroscopy indicate that the first Born approximation is not satisfied, even at an incident electron energy of 2500 eV.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000307382200003
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/12914
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Kang, X.,Yang, K.,Liu, Y. W.,et al. Squared form factors of valence-shell excitations of atomic argon studied by high-resolution inelastic x-ray scattering[J]. PHYSICAL REVIEW A,2012,86(2).
APA Kang, X..,Yang, K..,Liu, Y. W..,Xu, W. Q..,Hiraoka, N..,...&Zhu, L. F..(2012).Squared form factors of valence-shell excitations of atomic argon studied by high-resolution inelastic x-ray scattering.PHYSICAL REVIEW A,86(2).
MLA Kang, X.,et al."Squared form factors of valence-shell excitations of atomic argon studied by high-resolution inelastic x-ray scattering".PHYSICAL REVIEW A 86.2(2012).
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