Measurements of Atom Masses in the Region from Titanium to Iron

Demirkhanov, R.A.; Dorokhov, V.V.; Dzkuya, M.I.

doi:10.1007/978-1-4684-7876-1_21

Cited by 2 publications

(2 citation statements)

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“…The most satisfactory filling was obtained at a magnetic-field intensity on the system axis of about 850 Oe. The microwave power supplied was 100 W. The microwave discharge in the residual gas in the pressure range 10~s to 10" 6 torr created a plasma with conventional parameters: n e = 10 9 -10 10 cm" 3 , T e = 5 eV, Ti <T e . Analyses show that, with these plasma parameters, we get a superbanana diffusion regime in which localized particles must make the main contribution to diffusion losses across the magnetic field.…”

Section: Plasma Generationmentioning

confidence: 99%

“…To reduce superbanana plasma losses it is possible to convert trapped charged particles into circulating particles using an alternating longitudinal electric field, with an alternation frequency identical with or a multiple of the oscillation frequency of the particles trapped between local magnetic mirrors [3,4]. This possibility has been tested experimentally in the Saturn stellarator, where it was shown [5] that plasma losses in the superbanana diffusion regime can be reduced by 30-40% when an alternating electric field with a broad spectrum is excited in the plasma.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Effect of alternating electric field on diffusion of weakly collisional plasma in ℓ = 1 Vint-20 torsatron

Vojtsenya¹,

Voloshko²,

Solodovchenko³

et al. 1981

Nucl. Fusion

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The experiments were carried out on the Vint-20 ℓ = 1 torsatron with a magnetic configuration characterized by large field inhomogeneity. Alternating electric field with a broad spectrum (Δf ∼ 2 MHz) were excited in the frequency range 2–30 MHz in a microwave discharge plasma with a density ≳ 109 cm−3, an electron temperature ∼ 5 eV, and cold ions. Superbanana diffusion was reduced as a result of the effect on the trapped electrons, and this was reflected in a three-to-fivefold increase in plasma density. The largest decrease in superbanana diffusion was observed at excitation field frequencies 3–4 times greater than the theoretical oscillation frequency value for electrons located between adjacent magnetic mirrors.

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Section: Plasma Generationmentioning

confidence: 99%