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Absolute rate coefficients for dielectronic recombination of Na-like Kr25+

文献类型：期刊论文

作者Huang, Z. K.1; Wen, W. Q.1,8; Wang, S. X.7; Khan, N.1,8; Wang, H. B.1; Chen, C. Y.5,6; Zhang, C. Y.5,6; Preval, S. P.4; Badnell, N. R.3; Ma, W. L.7
刊名PHYSICAL REVIEW A
出版日期2020-12-29
卷号102期号:6页码:11
ISSN号2469-9926
DOI10.1103/PhysRevA.102.062823
通讯作者Wen, W. Q.(wenweiqiang@impcas.ac.cn) ; Ma, X.(x.ma@impcas.ac.cn)
英文摘要The absolute rate coefficients for dielectronic recombination (DR) of sodiumlike krypton ions were measured by employing the electron-ion merged-beam technique at the heavy-ion storage ring CSRm at the Institute of Modern Physics in Lanzhou, China. The measured DR spectrum covers the electron-ion collision energy range of 0-70 eV, encompassing all of the DR resonances due to 3s -> 3p and part of the DR resonances from 3s -> 3d (Delta n = 0) and 3s -> 4l (Delta n = 1) core excitations. A series of peaks associated with DR processes have been identified by the Rydberg formula. The experimental DR results are compared with the theoretical calculations using a relativistic configuration interaction flexible atomic code and the distorted-wave collision package AUTOSTRUCTURE. A very good agreement has been achieved between the experimental results and the theoretical calculations by considering the strong mixing among the low-energy resonances in both calculations. The experimentally derived DR spectrum is then convolved with a Maxwellian-Boltzmann distribution to obtain the temperature dependent plasma recombination rate coefficients and compared with previously available results from the literature. The present experimental result yields a precise plasma rate coefficients at the low temperature range up to similar to 1 x 10(6) K and the calculated data by Altun et al. [Z. Altun, A. Yumak, N. R. Badnell, S. D. Loch, and M. S. Pindzola, Aston. Astrophys. 447, 1165 (2006)] provide reliable plasma rate coefficients at high temperature range above 2 x 10(6) K.
WOS关键词ELECTRON-ION RECOMBINATION ; FINITE-DENSITY PLASMAS ; ENERGY-LEVELS ; FE-XXII ; HE-BETA ; MG ; TEMPERATURE ; IONIZATION ; SPECTRA ; KRYPTON
资助项目National Key R&D Program of China[2017YFA0402300] ; National Natural Science Foundation of China[U1932207] ; National Natural Science Foundation of China[11904371] ; National Natural Science Foundation of China[U1732133] ; National Natural Science Foundation of China[11674066] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB34020000] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB21030300] ; Key Research Program of Frontier Sciences, CAS[QYZDY-SSW-SLH006] ; Youth Innovation Promotion Association CAS ; UK APAP Network STFC[ST/R000743/1]
WOS研究方向Optics ; Physics
语种英语
WOS记录号WOS:000603361400001
出版者AMER PHYSICAL SOC
资助机构National Key R&D Program of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, CAS ; Youth Innovation Promotion Association CAS ; UK APAP Network STFC
源URL[http://119.78.100.186/handle/113462/138199]  
专题中国科学院近代物理研究所
通讯作者Wen, W. Q.; Ma, X.
作者单位1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
2.GSI Helmholtzzentrum Schwerionenforsch, ExtreMe Matter Inst EMMI, D-64291 Darmstadt, Germany
3.Univ Strathclyde, Dept Phys, Glasgow G4 ONG, Lanark, Scotland
4.Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England
5.Chinese Minist Educ, Key Lab Appl Ion Beam Phys, Shanghai 200433, Peoples R China
6.Fudan Univ, Inst Modern Phys, Shanghai EBIT Lab, Shanghai 200433, Peoples R China
7.Univ Sci & Technol China, Dept Modern Phys, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China
8.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Huang, Z. K.,Wen, W. Q.,Wang, S. X.,et al. Absolute rate coefficients for dielectronic recombination of Na-like Kr25+[J]. PHYSICAL REVIEW A,2020,102(6):11.
APA Huang, Z. K..,Wen, W. Q..,Wang, S. X..,Khan, N..,Wang, H. B..,...&Ma, X..(2020).Absolute rate coefficients for dielectronic recombination of Na-like Kr25+.PHYSICAL REVIEW A,102(6),11.
MLA Huang, Z. K.,et al."Absolute rate coefficients for dielectronic recombination of Na-like Kr25+".PHYSICAL REVIEW A 102.6(2020):11.

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来源：近代物理研究所

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