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  Improved plasma confinement by ion Bernstein waves (IBWs) interacting with ions in JET (Joint European Torus)

Castaldo, C., Cesario, R., Andrew, Y., Cardinali, A., Kiptily, V., Mantsinen, M., et al. (2003). Improved plasma confinement by ion Bernstein waves (IBWs) interacting with ions in JET (Joint European Torus). In Fusion Energy 2002. Vienna: International Atomic Energy Agency.

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 Creators:
Castaldo, C.1, Author
Cesario, R.1, Author
Andrew, Y.1, Author
Cardinali, A.1, Author
Kiptily, V.1, Author
Mantsinen, M.1, Author
Meo, F.2, Author
Murari, A.1, Author
Tuccillo, A. A.1, Author
Valisa, M.1, Author
Van Eester, D.1, Author
Bertalot, L.1, Author
Betella, D.1, Author
Giroud, C.1, Author
Ingesson, C.1, Author
Joffrin, E.1, Author
Mayoral, M.-L.1, Author
Meneses, L.1, Author
JET EFDA Contributors1, Author
Affiliations:
1Associazione Euratom -ENEA sulla Fusione, Frascati, Italy; Euratom-UKAEA Fusion Association, Culham Science Centre, Abingdon, England; Association Euratom-Tekes, VTT Processes, Finland; Associazione Euratom - CNR Consorzio RFX, Padova, Italy; Laboratory for Plasma Physics Koninklijke Militaire School / Ecole Royale Militaire Association Euratom - Belgian State, Brussels, Belgium; FOM-Rijnhuizen, Association Euratom - FOM, TEC, Nieuwegein, The Netherlands; Association Euratom - CEA, CEA Cadarache, St Paul lez Durance, France; Associação Euratom - IST, Centro de Fusão Nuclear, Lisboa, Portugal, ou_persistent22              
2Max Planck Society, ou_persistent13              

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 Abstract: A new coupling scheme of ion Bernstein waves (IBW) to plasma ions, by mode conversion of fast waves, has been tested in D-³He plasma of the JET tokamak. Injecting 4.8 MW ion cyclotron radio frequency power, 1.8 MW IBW power absorption on deuterons occurs at the fundamental cyclotron resonant layer, which is located in the high field side near the plasma edge (R = 2.1 m). Plasma sheared flows, ponderomotively induced by IBW, are observed near the edge, producing an E×B shearing rate of 5 MHz, higher than the threshold expected for turbulence suppression. Transport analysis shows a 70diffusivity of both electrons and ions in the edge plasma region where the sheared flows are observed.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Internal
 Degree: -

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Title: 19th Fusion Energy Conference
Place of Event: Lyon (FR)
Start-/End Date: 2002-10-14 - 2002-10-19

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Title: Fusion Energy 2002
Source Genre: Proceedings
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Publ. Info: Vienna : International Atomic Energy Agency
Pages: CD-ROM Volume / Issue: - Sequence Number: PD/P-01 Start / End Page: - Identifier: -