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A Vacuum Photoemission Detector for X-ray Tomography on the ITER Facility

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Abstract

A vacuum photoemission detector designed for plasma tomography in X rays on the ITER facility is described. Such detectors allow X rays to be detected in the presence of intense neutron and γ-photon fluxes. The results of tests of a prototype of this detector on a 60Co source of γ rays, its calibration using radiation from an X-ray tube, and tests of its serviceability on the T-10 facility are presented. The values of the valid signal and the signal-to-noise ratio are assessed for the parameters of the ITER facility. Selecting the number of detectors and their arrangement on the ITER facility to ensure the required spatial resolution of the diagnostics is considered.

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Authors and Affiliations

  1. Moscow Physicotechnical Institute (State University), Moscow, Russia

    I. A. Barykov

  2. Russian Research Center Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia

    Yu. V. Gott & M. M. Stepanenko

Authors
  1. I. A. Barykov
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  2. Yu. V. Gott
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  3. M. M. Stepanenko
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Barykov, I.A., Gott, Y.V. & Stepanenko, M.M. A Vacuum Photoemission Detector for X-ray Tomography on the ITER Facility. Instruments and Experimental Techniques 47, 242–246 (2004). https://doi.org/10.1023/B:INET.0000025210.53606.a9

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  • DOI: https://doi.org/10.1023/B:INET.0000025210.53606.a9

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