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Fusion"],"published-print":{"date-parts":[[2012,6,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>High-resolution \u03b3-ray measurements were carried out on the Joint European Torus (JET) in an experiment aimed at accelerating <jats:sup>4<\/jats:sup>He ions in the MeV range by coupling third harmonic radio frequency heating to an injected <jats:sup>4<\/jats:sup>He beam. For the first time, Doppler broadening of \u03b3-ray peaks from the <jats:sup>12<\/jats:sup>C(d, p\u03b3)<jats:sup>13<\/jats:sup>C and <jats:sup>9<\/jats:sup>Be(\u03b1, n\u03b3)<jats:sup>12<\/jats:sup>C reactions was observed and interpreted with dedicated Monte Carlo codes based on the detailed nuclear physics of the processes. Information on the confined <jats:sup>4<\/jats:sup>He and deuteron energy distribution was inferred, and confined <jats:sup>4<\/jats:sup>He ions with energies as high as 6\u00a0MeV were assessed. A signature of MHD activity in \u03b3-ray traces was also detected. The reported results have a bearing on diagnostics for fast ions in the MeV range in next step fusion devices.<\/jats:p>","DOI":"10.1088\/0029-5515\/52\/6\/063009","type":"journal-article","created":{"date-parts":[[2012,4,24]],"date-time":"2012-04-24T15:21:51Z","timestamp":1335280911000},"page":"063009","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":44,"title":["High-resolution gamma ray spectroscopy measurements of the fast ion energy distribution in JET <sup>4<\/sup>He plasmas"],"prefix":"10.1088","volume":"52","author":[{"given":"M.","family":"Nocente","sequence":"first","affiliation":[]},{"given":"M.","family":"Tardocchi","sequence":"additional","affiliation":[]},{"given":"V.G.","family":"Kiptily","sequence":"additional","affiliation":[]},{"given":"P.","family":"Blanchard","sequence":"additional","affiliation":[]},{"given":"I.","family":"Chugunov","sequence":"additional","affiliation":[]},{"given":"S.","family":"Conroy","sequence":"additional","affiliation":[]},{"given":"T.","family":"Edlington","sequence":"additional","affiliation":[]},{"given":"A.M.","family":"Fernandes","sequence":"additional","affiliation":[]},{"given":"G.","family":"Ericsson","sequence":"additional","affiliation":[]},{"given":"M. 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