A wave-particle interaction model for tail ion acceleration in reversed field pinch plasmas (Articolo in rivista)

Type
Label
  • A wave-particle interaction model for tail ion acceleration in reversed field pinch plasmas (Articolo in rivista) (literal)
Anno
  • 1999-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0741-3335/41/12/305 (literal)
Alternative label
  • Costa S.; Paccagnella R.; Pegoraro F:; Viterbo M. (1999)
    A wave-particle interaction model for tail ion acceleration in reversed field pinch plasmas
    in Plasma physics and controlled fusion (Print); IOP PUBLISHING LTD, BRISTOL BS1 6BE (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Costa S.; Paccagnella R.; Pegoraro F:; Viterbo M. (literal)
Pagina inizio
  • 1485 (literal)
Pagina fine
  • 1496 (literal)
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  • E-ISSN: 1361-6587 (literal)
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  • http://iopscience.iop.org/0741-3335/41/12/305/ (literal)
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  • 41 (literal)
Rivista
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  • 12 (literal)
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  • 12 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
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  • 1,2 : Istituto Gas Ionizzati del CNR, Padova, Italy; / 1,2,4 : Consorzio RFX, C.so Stati Uniti 4 - 35127 Padova, Italy; / 3 : Physics Department, Pisa University and INFM, Pisa, Italy. (literal)
Titolo
  • A wave-particle interaction model for tail ion acceleration in reversed field pinch plasmas (literal)
Abstract
  • In the reversed field pinch plasmas produced by the reversed field experiment (RFX), neutral particle measurements reveal the presence in the radial direction of a small population of non-thermal energetic ions (E = 10(3) eV to 8 x 10(3) eV). In this work supra-thermal electrons at the plasma edge are considered to be the free-energy source for the ion acceleration. Fast electrons, moving in the same direction of the main magnetic field, excite an omega similar to omega(pi) electrostatic wave which gives energy to the ions which are accelerated in the direction perpendicular to the local equilibrium magnetic field. The theoretical predictions for the neutral particle fluxes are in agreement with the experimental measurements. Moreover, a correlation between the experimental fast-ion and fast-electron energy densities has been found. (literal)
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