{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T11:01:18Z","timestamp":1753873278316,"version":"3.41.2"},"reference-count":4,"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 Heavy Ion Beam Diagnostic (HIBD) on the tokamak ISTTOK (Instituto Superior T\u00e9cnico TOKamak) has been modified, in terms of signal conditioning, to measure the local fluctuations of the ne\u03c31,2(Te) product (plasma density times the effective ionization cross-section) along the tokamak minor diameter, in 12 sample volumes in the range of \u22120.7a &amp;lt; r &amp;lt; 0.7a, with a maximum delay time of 1 \u03bcs. The corresponding signals show high correlation with the magnetic Mirnov coils in the characteristic MHD frequency range of ISTTOK plasmas and enable the identification of tearing modes. This paper describes the HIBD signal conditioning system and presents a preliminary analysis of the radial profile measurements of local ne\u03c31,2(Te) fluctuations.<\/jats:p>","DOI":"10.1063\/1.4891045","type":"journal-article","created":{"date-parts":[[2014,8,15]],"date-time":"2014-08-15T00:30:28Z","timestamp":1408062628000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":5,"title":["Radial profile measurements of plasma pressure-like fluctuations with the heavy ion beam diagnostic on the tokamak ISTTOK"],"prefix":"10.1063","volume":"85","author":[{"given":"R. B.","family":"Henriques","sequence":"first","affiliation":[{"name":"Instituto Superior T\u00e9cnico Instituto de Plasmas e Fus\u00e3o Nuclear, , Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]},{"given":"A.","family":"Malaquias","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico Instituto de Plasmas e Fus\u00e3o Nuclear, , Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]},{"given":"I. S.","family":"Nedzelskiy","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico Instituto de Plasmas e Fus\u00e3o Nuclear, , Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]},{"given":"C.","family":"Silva","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico Instituto de Plasmas e Fus\u00e3o Nuclear, , Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]},{"given":"R.","family":"Coelho","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico Instituto de Plasmas e Fus\u00e3o Nuclear, , Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]},{"given":"H.","family":"Figueiredo","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico Instituto de Plasmas e Fus\u00e3o Nuclear, , Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]},{"given":"H.","family":"Fernandes","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico Instituto de Plasmas e Fus\u00e3o Nuclear, , Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]}],"member":"317","published-online":{"date-parts":[[2014,8,14]]},"reference":[{"key":"2023070404423330200_c1","doi-asserted-by":"publisher","first-page":"10D705","DOI":"10.1063\/1.4729496","volume":"83","year":"2012","journal-title":"Rev. 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Control Fusion"}],"container-title":["Review of Scientific Instruments"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/pubs.aip.org\/aip\/rsi\/article-pdf\/doi\/10.1063\/1.4891045\/14072127\/11d848_1_online.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/pubs.aip.org\/aip\/rsi\/article-pdf\/doi\/10.1063\/1.4891045\/14072127\/11d848_1_online.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,7,4]],"date-time":"2023-07-04T04:44:00Z","timestamp":1688445840000},"score":1,"resource":{"primary":{"URL":"https:\/\/pubs.aip.org\/rsi\/article\/85\/11\/11D848\/360275\/Radial-profile-measurements-of-plasma-pressure"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,8,14]]},"references-count":4,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2014,11,1]]}},"URL":"https:\/\/doi.org\/10.1063\/1.4891045","relation":{},"ISSN":["0034-6748","1089-7623"],"issn-type":[{"type":"print","value":"0034-6748"},{"type":"electronic","value":"1089-7623"}],"subject":[],"published-other":{"date-parts":[[2014,11]]},"published":{"date-parts":[[2014,8,14]]},"article-number":"11D848"}}