{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,18]],"date-time":"2026-04-18T03:52:24Z","timestamp":1776484344383,"version":"3.51.2"},"reference-count":15,"publisher":"AIP Publishing","issue":"11","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2014,11,1]]},"abstract":"<jats:p>The high resolution X-Ray crystal spectrometer at the JET tokamak has been upgraded with the main goal of measuring the tungsten impurity concentration. This is important for understanding impurity accumulation in the plasma after installation of the JET ITER-like wall (main chamber: Be, divertor: W). This contribution provides details of the upgraded spectrometer with a focus on the aspects important for spectral analysis and plasma parameter calculation. In particular, we describe the determination of the spectrometer sensitivity: important for impurity concentration determination.<\/jats:p>","DOI":"10.1063\/1.4891182","type":"journal-article","created":{"date-parts":[[2014,8,13]],"date-time":"2014-08-13T00:30:35Z","timestamp":1407889835000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":43,"title":["X-ray crystal spectrometer upgrade for ITER-like wall experiments at JET"],"prefix":"10.1063","volume":"85","author":[{"given":"A. E.","family":"Shumack","sequence":"first","affiliation":[{"name":"Culham Science Centre 1 JET-EFDA, , Abingdon OX14 3DB, United Kingdom"},{"name":"FOM Institute DIFFER 2 , P.O. Box 1207, NL-3430 BE Nieuwegein, The Netherlands"}]},{"given":"J.","family":"Rzadkiewicz","sequence":"additional","affiliation":[{"name":"National Centre for Nuclear Research 3 , Andrzeja So\u0142tana 7, 05-400 Otwock, Poland"}]},{"given":"M.","family":"Chernyshova","sequence":"additional","affiliation":[{"name":"Institute of Plasma Physics and Laser Microfusion 4 , Hery 23, 01-497 Warsaw, Poland"}]},{"given":"K.","family":"Jakubowska","sequence":"additional","affiliation":[{"name":"Institute of Plasma Physics and Laser Microfusion 4 , Hery 23, 01-497 Warsaw, Poland"},{"name":"Universit\u00e9 Bordeaux 5 , CNRS, CEA, CELIA, UMR 5107, F-33405 Talence, France"}]},{"given":"M.","family":"Scholz","sequence":"additional","affiliation":[{"name":"Institute of Nuclear Physics PAN 6 , ul. Radzikowskiego 152, 31-342 Krak\u00f3w, Poland"}]},{"given":"A.","family":"Byszuk","sequence":"additional","affiliation":[{"name":"Warsaw University of Technology 7 Institute of Electronic Systems, , 00-665 Warsaw, Poland"}]},{"given":"R.","family":"Cieszewski","sequence":"additional","affiliation":[{"name":"Warsaw University of Technology 7 Institute of Electronic Systems, , 00-665 Warsaw, Poland"}]},{"given":"T.","family":"Czarski","sequence":"additional","affiliation":[{"name":"Institute of Plasma Physics and Laser Microfusion 4 , Hery 23, 01-497 Warsaw, Poland"}]},{"given":"W.","family":"Dominik","sequence":"additional","affiliation":[{"name":"Warsaw University 8 Faculty of Physics, Institute of Experimental Physics, , 00-681 Warsaw, Poland"}]},{"given":"L.","family":"Karpinski","sequence":"additional","affiliation":[{"name":"Institute of Plasma Physics and Laser Microfusion 4 , Hery 23, 01-497 Warsaw, Poland"}]},{"given":"G.","family":"Kasprowicz","sequence":"additional","affiliation":[{"name":"Warsaw University of Technology 7 Institute of Electronic Systems, , 00-665 Warsaw, Poland"}]},{"given":"K.","family":"Pozniak","sequence":"additional","affiliation":[{"name":"Warsaw University of Technology 7 Institute of Electronic Systems, , 00-665 Warsaw, Poland"}]},{"given":"A.","family":"Wojenski","sequence":"additional","affiliation":[{"name":"Warsaw University of Technology 7 Institute of Electronic Systems, , 00-665 Warsaw, Poland"}]},{"given":"W.","family":"Zabolotny","sequence":"additional","affiliation":[{"name":"Warsaw University of Technology 7 Institute of Electronic Systems, , 00-665 Warsaw, Poland"}]},{"given":"N. 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