Artículo
Beam ion losses due to energetic particle geodesic acoustic modes
Autor/es | Fisher, R. K.
Pace, D. C. Kramer, G. J. Zeeland, M. A. van Nazikian, R. García Muñoz, Manuel |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2012-12 |
Fecha de depósito | 2020-08-28 |
Publicado en |
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Resumen | We report the first experimental observations of fast-ion loss in a tokamak due to energetic particle driven geodesic acoustic modes (EGAMs). A fast-ion loss detector installed on the DIII-D tokamak observes bursts of beam ... We report the first experimental observations of fast-ion loss in a tokamak due to energetic particle driven geodesic acoustic modes (EGAMs). A fast-ion loss detector installed on the DIII-D tokamak observes bursts of beam ion losses coherent with the EGAM frequency. The EGAM activity results in a significant loss of beam ions, comparable to the first orbit losses. The pitch angles and energies of the measured fast-ion losses agree with predictions from a full orbit simulation code SPIRAL, which includes scattering and slowing-down. |
Identificador del proyecto | DE-FC02-04ER 54698
SC-G903402 DE-AC02-09CH11466 |
Cita | Fisher, R.K., Pace, D.C., Kramer, G.J., Van Zeeland, M.A., Nazikian, R. y García Muñoz, M. (2012). Beam ion losses due to energetic particle geodesic acoustic modes. Nuclear Fusion, 52 (12), 123015-. |
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