Neutron spectroscopy measurements of 14 MeV neutrons at unprecedented energy resolution and implications for deuterium-tritium fusion plasma diagnostics

doi:10.1088/1361-6501/aaa675

	Neutron spectroscopy measurements of 14 MeV neutrons at unprecedented energy resolution and implications for deuterium-tritium fusion plasma diagnostics
	Rigamonti, D.95,111,112; Giacomelli, L.45,112; Gorini, G.95,111,112; Nocente, M.11,95,111,112; Rebai, M.95,111,112; Tardocchi, M.45,112; Angelone, M.88,113; Batistoni, P.88,113; Cufar, A.79,114; Ghani, Z.6,115
刊名	MEASUREMENT SCIENCE AND TECHNOLOGY
	2018-04-01
卷号	29 期号:4 页码:9
关键词	neutron spectroscopy diamond detectors plasma diagnostics 14 MeV neutron generator
ISSN号	0957-0233
DOI	10.1088/1361-6501/aaa675
通讯作者	Rigamonti, D.(davide.rigamonti@mib.infn.it)
英文摘要	An accurate calibration of the JET neutron diagnostics with a 14 MeV neutron generator was performed in the first half of 2017 in order to provide a reliable measurement of the fusion power during the next JET deuterium-tritium (DT) campaign. In order to meet the target accuracy, the chosen neutron generator has been fully characterized at the Neutron Metrology Laboratory of the National Physical Laboratory (NPL), Teddington, United Kingdom. The present paper describes the measurements of the neutron energy spectra obtained using a high-resolution single-crystal diamond detector (SCD). The measurements, together with a new neutron source routine 'ad hoc' developed for the MCNP code, allowed the complex features of the neutron energy spectra resulting from the mixed D/T beam ions interacting with the T/D target nuclei to be resolved for the first time. From the spectral analysis a quantitative estimation of the beam ion composition has been made. The unprecedented intrinsic energy resolution (<1% full width at half maximum (FWHM) at 14 MeV) of diamond detectors opens up new prospects for diagnosing DT plasmas, such as, for instance, the possibility to study non-classical slowing down of the beam ions by neutron spectroscopy on ITER.
资助项目	Euratom research and training programme[633053]
WOS关键词	JET ; SUPPORT
WOS研究方向	Engineering ; Instruments & Instrumentation
语种	英语
出版者	IOP PUBLISHING LTD
WOS记录号	WOS:000460059400001
资助机构	Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/42387]
专题	中国科学院合肥物质科学研究院
通讯作者	Rigamonti, D.
作者单位	1.Aix Marseille Univ, CNRS, Cent Marseille, M2P2 UMR 7340, F-13451 Marseille, France 2.Aix Marseille Univ, CNRS, IUSTI UMR 7343, F-13013 Marseille, France 3.Aix Marseille Univ, CNRS, UMR 7345, PIIM, F-13013 Marseille, France 4.Arizona State Univ, Tempe, AZ USA 5.Barcelona Supercomp Ctr, Barcelona, Spain 6.CCFE, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England 7.CEA, IRFM, F-13108 St Paul Les Durance, France 8.Univ Calif San Diego, Ctr Energy Res, La Jolla, CA 92093 USA 9.Ctr Brasileiro Pesquisas Fis, Rua Xavier Sigaud 160, BR-22290180 Rio De Janeiro, Brazil 10.Consorzio CREATE, Via Claudio 21, I-80125 Naples, Italy
推荐引用方式 GB/T 7714	Rigamonti, D.,Giacomelli, L.,Gorini, G.,et al. Neutron spectroscopy measurements of 14 MeV neutrons at unprecedented energy resolution and implications for deuterium-tritium fusion plasma diagnostics[J]. MEASUREMENT SCIENCE AND TECHNOLOGY,2018,29(4):9.
APA	Rigamonti, D..,Giacomelli, L..,Gorini, G..,Nocente, M..,Rebai, M..,...&Sertoli, M..(2018).Neutron spectroscopy measurements of 14 MeV neutrons at unprecedented energy resolution and implications for deuterium-tritium fusion plasma diagnostics.MEASUREMENT SCIENCE AND TECHNOLOGY,29(4),9.
MLA	Rigamonti, D.,et al."Neutron spectroscopy measurements of 14 MeV neutrons at unprecedented energy resolution and implications for deuterium-tritium fusion plasma diagnostics".MEASUREMENT SCIENCE AND TECHNOLOGY 29.4(2018):9.