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Velocity-space sensitivity of time-of-flight neutron spectrometer at EAST in deuterium plasma
Ge, L. J.1,2; Hu, Z. M.1,2; Zhang, Y. M.1,2; Sun, J. Q.1,2; Yuan, X.1,2; Peng, X. Y.1,2; Chen, Z. J.1,2; Du, T. F.1,2; Nocente, M.3,4; Gorini, G.3,4; Tardocchi, M.4; Hu, L. Q.5; Zhong, G. Q.5; Wan, B. N.5; Li, X. Q.1,2; Fan, T. S.1,2
2018-10-01
Source PublicationREVIEW OF SCIENTIFIC INSTRUMENTS
ISSN0034-6748
Volume89Issue:10Pages:5
Corresponding AuthorGe, L. J.(gelijian@pku.edu.cn)
AbstractThe Time-Of-Flight Enhanced Diagnostics (TOFED) neutron spectrometer with a double-ring structure has been installed at the Experimental Advanced Superconducting Tokamak (EAST) to perform advanced neutron emission spectroscopy diagnosis for deuterium plasma. In order to reduce the random coincidence from the background neutrons and gamma-rays, TOFED was moved outside the experimental hall and placed in the newly-built nuclear diagnostics laboratory in 2017. In this paper, the instrument-specific weight functions of TOFED are derived by taking the instrument response matrix and the radial line of sight in this new layout into consideration. The results show that the instrument is predominantly sensitive to counter-passing particles in the region where time-of-flights < 69.4 ns, while events at higher time-of-flights (corresponding lower neutron energies) are mostly representative of co-passing ions. The instrument-specific weight functions express the relationship between data in a given channel of the spectrum and the velocity space region that contributes to that. The results can be applied for energetic particle physics studies at EAST, in particular to compare data from different diagnostic techniques. Published by AIP Publishing.
Funding OrganizationNational Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China
DOI10.1063/1.5039335
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YY0200804] ; National Key Research and Development Program of China[2017YFF0206205] ; State Key Program of National Natural Science of China[11790324] ; National Magnetic Confinement Fusion Science Program of China[2013GB106004] ; National Magnetic Confinement Fusion Science Program of China[2012GB-101003]
Funding OrganizationNational Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China
WOS Research AreaInstruments & Instrumentation ; Physics
WOS SubjectInstruments & Instrumentation ; Physics, Applied
WOS IDWOS:000449144500206
PublisherAMER INST PHYSICS
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Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/34320
Collection中科院等离子体物理研究所
Corresponding AuthorGe, L. J.
Affiliation1.Peking Univ, Sch Phys, Beijing 100871, Peoples R China
2.Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
3.Univ Milano Bicocca, Dipartimento Fis, Piazza Sci 3, I-20126 Milan, Italy
4.EURATOM ENEA CNR Assoc, Ist Fis Plasma P Caldirola, Via Cozzi 53, I-20125 Milan, Italy
5.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Ge, L. J.,Hu, Z. M.,Zhang, Y. M.,et al. Velocity-space sensitivity of time-of-flight neutron spectrometer at EAST in deuterium plasma[J]. REVIEW OF SCIENTIFIC INSTRUMENTS,2018,89(10):5.
APA Ge, L. J..,Hu, Z. M..,Zhang, Y. M..,Sun, J. Q..,Yuan, X..,...&Fan, T. S..(2018).Velocity-space sensitivity of time-of-flight neutron spectrometer at EAST in deuterium plasma.REVIEW OF SCIENTIFIC INSTRUMENTS,89(10),5.
MLA Ge, L. J.,et al."Velocity-space sensitivity of time-of-flight neutron spectrometer at EAST in deuterium plasma".REVIEW OF SCIENTIFIC INSTRUMENTS 89.10(2018):5.
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