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Title: Single crystal diamond detector measurements of deuterium-deuterium and deuterium-tritium neutrons in Joint European Torus fusion plasmas

First simultaneous measurements of deuterium-deuterium (DD) and deuterium-tritium neutrons from deuterium plasmas using a Single crystal Diamond Detector are presented in this paper. The measurements were performed at JET with a dedicated electronic chain that combined high count rate capabilities and high energy resolution. The deposited energy spectrum from DD neutrons was successfully reproduced by means of Monte Carlo calculations of the detector response function and simulations of neutron emission from the plasma, including background contributions. The reported results are of relevance for the development of compact neutron detectors with spectroscopy capabilities for installation in camera systems of present and future high power fusion experiments.
Authors:
; ;  [1] ;  [2] ; ; ;  [3] ; ; ; ;  [4] ; ;  [1] ;  [5] ; ;  [6] ;
  1. Department of Physics “G. Occhialini,” University of Milano Bicocca, Piazza della Scienza 3, Milano (Italy)
  2. (Italy)
  3. Department of Physics and Astronomy, EURATOM-VR Association, Uppsala University, Uppsala (Sweden)
  4. Istituto di Fisica del Plasma, Associazione EURATOM-ENEA-CNR, via Roberto Cozzi 53, Milano (Italy)
  5. Atominstitut, Vienna University of Technology (Austria)
  6. Culham Centre for Fusion Energy, Culham OX143DB (United Kingdom)
Publication Date:
OSTI Identifier:
22254943
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 85; Journal Issue: 4; Other Information: (c) 2014 Euratom; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; CAMERAS; COUNTING RATES; DEUTERIUM; DIAMONDS; ENERGY RESOLUTION; ENERGY SPECTRA; JET TOKAMAK; MONOCRYSTALS; MONTE CARLO METHOD; NEUTRON DETECTORS; NEUTRON EMISSION; NEUTRONS; PLASMA; RESPONSE FUNCTIONS; SPECTROSCOPY; TRITIUM