INTERACTION OF LOWER HYBRID WAVES WITH FAST ELECTRON TAILS IN FT
In the LH experiment on the FT Tokamak (f = 2.45 GHz, P < 250 kW) operating at low plasma density (n <= 4.10**13 cm-3) a strong interaction of LH waves with fast tail electrons producing heating and current drive effects was observed. This interaction which is responsible for current drive in other experiments, was studied in a wide range of plasma parameters. The most striking feature is the sharp density cut-off occurring at $lWn = 4.10#U1**3 cm-3 and having a weak dependence on plasma parameters and working gas. The principal experimental results on wave - electron interaction are reported and an extended discussion is given.
Bibliographic Reference: IAEA WORKSHOP ON NON INDUCTIVE CURRENT DRIVE, CULHAM (UK), APRIL 18-22, 1983 WRITE TO ENEA + CENTRO RICERCHE ENERGIA FRASCATI, C.P. 65, 00044 FRASCATI, ROMA (ITALY), MENTIONING REPORT 83.20/CC. 1983
Record Number: 1989122052100 / Last updated on: 1987-01-01
Available languages: en