Effect of deuteron temperature on iron forbidden-line intensities in rf-heated tokamak plasmas

Journal Article · Thu Oct 01 04:00:00 EDT 1987 · Phys. Rev. A; (United States)

DOI:https://doi.org/10.1103/PhysRevA.36.3312· OSTI ID:6199592

Sato, K; Suckewer, S; Wouters, A

Two line ratios, the forbidden line at 845.5 A (2s /sup 2/2p /sup 2/P/sub 1/2/--2s /sup 2/2p /sup 2/P/sub 3/2/) to the allowed line at 135.7 A (2s /sup 2/2p /sup 2/P/sub 1/2/--2s2p/sup 2/ /sup 2/D/sub 3/2/) in Fe XXII and the forbidden line at 592.1 A (2s /sup 2/2p/sup 4/ /sup 3/P/sub 2/--2s /sup 2/2p/sup 4/ /sup 1/D/sub 2/) to the forbidden line at 1118.2 A (2s /sup 2/2p/sup 4/ /sup 3/P/sub 2/--2s/sup 2/2p/sup 4/ /sup 3/P/sub 1/) in Fe XIX, have been measured as ion-temperature-sensitive line ratios during rf heating in the Princeton Large Torus. The results indicate that deuteron collisions in plasmas of high deuteron temperature have a noticeable effect on the intensity of the forbidden lines. Measured relative intensities are compared with values from level-population calculations, which include deuteron collisional excitation between the levels of the ground configuration. The agreement between the observed and calculated ratios is within 30%. A method for deuteron (or proton) temperature measurement in tokamak plasmas is discussed.

• Research Organization: Plasma Physics Laboratory, Princeton University, P.O. Box 451, Princeton, New Jersey 08544-0451
• OSTI ID: 6199592
• Journal Information: Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 36:7; ISSN PLRAA
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700103* -- Fusion Energy-- Plasma Research-- Kinetics
CHARGED PARTICLES
CORRELATIONS
DEUTERONS
ENERGY-LEVEL TRANSITIONS
FORBIDDEN TRANSITIONS
FUNCTIONS
ION TEMPERATURE
IONS
IRON IONS
M1-TRANSITIONS
MULTICHARGED IONS
MULTIPOLE TRANSITIONS
PLT DEVICES
SPECTRAL DENSITY
SPECTRAL FUNCTIONS
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS