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The first measurements of the plasma potential profile obtained with a four-channel TOFEA are presented.<\/jats:p>","DOI":"10.1063\/1.2185153","type":"journal-article","created":{"date-parts":[[2006,3,29]],"date-time":"2006-03-29T23:13:02Z","timestamp":1143673982000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":7,"title":["Multichannel time-of-flight technique for plasma potential profile measurements by heavy ion beam diagnostic on the tokamak ISTTOK"],"prefix":"10.1063","volume":"77","author":[{"given":"I. S.","family":"Nedzelskiy","sequence":"first","affiliation":[{"name":"Associa\u00e7\u00e3o EURATOM\/IST , Centro de Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, 1049-001 Lisboa, Portugal"}]},{"given":"A. J.","family":"Malaquias","sequence":"additional","affiliation":[{"name":"Associa\u00e7\u00e3o EURATOM\/IST , Centro de Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, 1049-001 Lisboa, Portugal"}]},{"given":"Yu. I.","family":"Tashchev","sequence":"additional","affiliation":[{"name":"Associa\u00e7\u00e3o EURATOM\/IST , Centro de Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, 1049-001 Lisboa, Portugal"}]},{"given":"C.","family":"Silva","sequence":"additional","affiliation":[{"name":"Associa\u00e7\u00e3o EURATOM\/IST , Centro de Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, 1049-001 Lisboa, Portugal"}]},{"given":"H.","family":"Figueiredo","sequence":"additional","affiliation":[{"name":"Associa\u00e7\u00e3o EURATOM\/IST , Centro de Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, 1049-001 Lisboa, Portugal"}]},{"given":"H.","family":"Fernandes","sequence":"additional","affiliation":[{"name":"Associa\u00e7\u00e3o EURATOM\/IST , Centro de Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, 1049-001 Lisboa, Portugal"}]},{"given":"C. A. 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