NAOC Open IR
Measurement of n-resolved State-selective Charge Exchange in Ne-(8,Ne-9)+ Collision with He and H-2
Xu, J. W.1,2; Xu, C. X.3,4,5; Zhang, R. T.1; Zhu, X. L.1,2; Feng, W. T.1; Gu, L.6,7; Liang, G. Y.8; Guo, D. L.1; Gao, Y.1; Zhao, D. M.1; Zhang, S. F.1,2; Su, M. G.3,4,5; Ma, X.1,2
2021-03-01
Source PublicationASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
ISSN0067-0049
Volume253Issue:1Pages:10
AbstractCharge exchange between highly charged ions and neutral atoms and molecules has been considered as one of the important mechanisms controlling soft X-ray emissions in many astrophysical objects and environments. However, for modeling charge exchange soft X-ray emission, the data of n- and l-resolved state-selective capture cross sections are often obtained by empirical and semiclassical theory calculations. With a newly built cold target recoil-ion momentum spectroscopy (COLTRIMS) apparatus, we perform a series of measurements of the charge exchange of Ne-(8,Ne-9)+ ions with He and H-2 for collision energy ranging from 1 to 24.75 keV/u. n-resolved state-selective capture cross sections are reported. By comparing the measured state-selective capture cross sections to those calculated by the multichannel Landau-Zener method (MCLZ), it is found that MCLZ calculations are in good agreement with the measurement for the dominant n capture for He target. Furthermore, by using nl-resolved cross sections calculated by MCLZ and applying l distributions commonly used in the astrophysical literature to experimentally derived n-resolved cross sections, we calculate the soft X-ray emissions in the charge exchange between 4 keV/u Ne8+ and He by considering the radiative cascade from the excited Ne7+ ions. Reasonable agreement is found in comparison to the measurement for even and separable models, and MCLZ calculations give results in a better agreement.
KeywordAtomic spectroscopy Atomic physics Collision processes Molecular physics Atomic data benchmarking
Funding OrganizationNational Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Key Research Program of the Chinese Academy of Sciences ; Strategic Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Key Research Program of the Chinese Academy of Sciences ; Strategic Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Key Research Program of the Chinese Academy of Sciences ; Strategic Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Key Research Program of the Chinese Academy of Sciences ; Strategic Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China
DOI10.3847/1538-4365/abd020
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFA0402400] ; National Key Research and Development Program of China[2017YFA0402300] ; Strategic Key Research Program of the Chinese Academy of Sciences[XDB34020000] ; National Natural Science Foundation of China[U1832201]
Funding OrganizationNational Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Key Research Program of the Chinese Academy of Sciences ; Strategic Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Key Research Program of the Chinese Academy of Sciences ; Strategic Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Key Research Program of the Chinese Academy of Sciences ; Strategic Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Strategic Key Research Program of the Chinese Academy of Sciences ; Strategic Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000624465900001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/79116
Collection中国科学院国家天文台
Corresponding AuthorZhang, R. T.
Affiliation1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Northwest Normal Univ, Coll Phys & Elect Engn, Key Lab Atom & Mol Phys Funct Mat Gansu Prov, Lanzhou 730070, Peoples R China
4.Northwest Normal Univ, Joint Lab Atom & Mol Phys, Lanzhou 730070, Peoples R China
5.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730070, Peoples R China
6.RIKEN High Energy Astrophys Lab, 2-1 Hirosawa, Wako, Saitama 3510198, Japan
7.SRON Netherlands Inst Space Res, Sorbonnelaan 2, NL-3584 CA Utrecht, Netherlands
8.Chinese Acad Sci, Key Lab Opt Astron, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Xu, J. W.,Xu, C. X.,Zhang, R. T.,et al. Measurement of n-resolved State-selective Charge Exchange in Ne-(8,Ne-9)+ Collision with He and H-2[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2021,253(1):10.
APA Xu, J. W..,Xu, C. X..,Zhang, R. T..,Zhu, X. L..,Feng, W. T..,...&Ma, X..(2021).Measurement of n-resolved State-selective Charge Exchange in Ne-(8,Ne-9)+ Collision with He and H-2.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,253(1),10.
MLA Xu, J. W.,et al."Measurement of n-resolved State-selective Charge Exchange in Ne-(8,Ne-9)+ Collision with He and H-2".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 253.1(2021):10.
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