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Parametric lower-hybrid instability driven by modulated electron-beam injection

Journal Article · · Phys. Rev. Lett.; (United States)
; ; ; ; ;
A modulated electron beam is injected into a low-..beta.. plasma parallel to the confining field to investigate the energy-transfer rate from the electron beam to the plasma. Parametric excitation of electrostatic lower-hybrid waves and ion-cyclotron quasimodes is experimentally identified. The temperature of both ions and electrons is observed to increase significantly concomitant with the growth of the instability.
Research Organization:
Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08540
OSTI ID:
6561488
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 41:15; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700101* -- Fusion Energy-- Plasma Research-- Confinement
Heating
& Production
700107 -- Fusion Energy-- Plasma Research-- Instabilities
BEAM INJECTION
BEAM-PLASMA SYSTEMS
CLOSED PLASMA DEVICES
DAMPING
ELECTRIC PROBES
ELECTRON BEAM INJECTION
ENERGY TRANSFER
HEATING
INSTABILITY
LANDAU DAMPING
LANGMUIR PROBE
MODULATION
PARAMETRIC INSTABILITIES
PLASMA HEATING
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
PLASMA WAVES
PROBES
THERMONUCLEAR DEVICES
TOKAMAK DEVICES