Measurements of energetic helium-3 minority distributions during ion cyclotron radio-frequency heating in the Princeton Large Torus
Ion cyclotron radio-frequency heating experiments were performed with a /sup 3/He minority ion species in a /sup 4/He majority plasma in the Princeton Large Torus. The energetic /sup 3/He ion ''tail'' was measured directly with a charge exchange neutral analyzer for the first time. Comparisons with bounce-averaged quasi-linear calculations suggest a modestly peaked radi-frequency power deposition profile. The double charge exchange process /sup 3/He/sup + +/ )plus) /sup 4/He/sup 0/ )plus) /sup 3/He/sup 0/ )plus) /sup 4/He/sup + +/ demonstrated in these measurements may be useful as part of an alpha particle diagnostic in a fusion reactor experiment. 18 refs., 4 figs.
- Research Organization:
- Princeton Univ., NJ (USA). Plasma Physics Lab.
- DOE Contract Number:
- AC02-76CH03073
- OSTI ID:
- 5153891
- Report Number(s):
- PPPL-2501; ON: DE88009337
- 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
700102* -- Fusion Energy-- Plasma Research-- Diagnostics
ALPHA PARTICLES
CHARGE EXCHANGE
CHARGED PARTICLES
DIFFERENTIAL EQUATIONS
EQUATIONS
EVEN-ODD NUCLEI
FOKKER-PLANCK EQUATION
HEATING
HELIUM 3
HELIUM ISOTOPES
HIGH-FREQUENCY HEATING
ICR HEATING
ISOTOPES
LIGHT NUCLEI
NUCLEI
PARTIAL DIFFERENTIAL EQUATIONS
PLASMA DIAGNOSTICS
PLASMA HEATING
PLT DEVICES
STABLE ISOTOPES
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS
700101 -- Fusion Energy-- Plasma Research-- Confinement
Heating
& Production
700102* -- Fusion Energy-- Plasma Research-- Diagnostics
ALPHA PARTICLES
CHARGE EXCHANGE
CHARGED PARTICLES
DIFFERENTIAL EQUATIONS
EQUATIONS
EVEN-ODD NUCLEI
FOKKER-PLANCK EQUATION
HEATING
HELIUM 3
HELIUM ISOTOPES
HIGH-FREQUENCY HEATING
ICR HEATING
ISOTOPES
LIGHT NUCLEI
NUCLEI
PARTIAL DIFFERENTIAL EQUATIONS
PLASMA DIAGNOSTICS
PLASMA HEATING
PLT DEVICES
STABLE ISOTOPES
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS