Neutron emission spectroscopy of radio frequency heated (D)T plasmas (Articolo in rivista)

Type
Label
  • Neutron emission spectroscopy of radio frequency heated (D)T plasmas (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0029-5515/42/10/311 (literal)
Alternative label
  • Tardocchi M., Conroy S., Ericsson G., Gorini G., Henriksson H., Kdllne J. (2002)
    Neutron emission spectroscopy of radio frequency heated (D)T plasmas
    in Nuclear fusion
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Tardocchi M., Conroy S., Ericsson G., Gorini G., Henriksson H., Kdllne J. (literal)
Pagina inizio
  • 1273 (literal)
Pagina fine
  • 1288 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/0029-5515/42/10/311/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 42 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Bicocca Univ, INFM, Dept Phys, Milan, Italy [ 2 ] EURATOM, ENEA, CNR Assoc, Istituto di Fisica del Plasma Piero Caldirola, Milan, Italy [ 3 ] Univ Uppsala, Dept Neutron Res, S-75120 Uppsala, Sweden (literal)
Titolo
  • Neutron emission spectroscopy of radio frequency heated (D)T plasmas (literal)
Abstract
  • The energy spectrum of the d + t -> alpha + n neutron emission has been measured in experiments carried out at JET for plasmas of deuterium–tritium subjected to minority ion cyclotron resonance heating (ICRH) tuned to deuterium. The data obtained with the magnetic proton recoil spectrometer were of sufficient quality to distinguish up to three spectral components of neutron emission some of which were time resolved. A new analysis model was used to derive information on the underlying deuteron velocity distributions and their corresponding energy densities in the plasma. This experiment represents the first use of neutron emission spectroscopy for detailed diagnosis of the response of fusion plasmas to the applied ICRH power for different plasma conditions, including the time evolution over the heating pulse duration for individual discharges. In particular, ICRH effects on the plasma, together with the power absorption mechanisms, were studied as a function of the minority ion concentration in the range 9–20%. (literal)
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