Control of Plasma Potential in GOL-NB Axisymmetric Multiple-Mirror Trap

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Abstract

The results on applying the technique of vortex plasma confinement in the GOL-NB facility are presented. The first experiments on optimizing the biasing the in-chamber electrodes demonstrated an improvement in the dynamics of trapping the injected fast hydrogen atoms, as well as a decrease in the fluctuations of local plasma parameters in the central trap and an increase in the plasma decay time. The geometry of in-chamber electrodes arrangement, as well as the polarity and magnitude of the supplied potentials, correspond to the theory of vortex confinement and to those in similar studies at other open traps.

About the authors

I. A. Ivanov

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: I.A.Ivanov@inp.nsk.su
630090, Novosibirsk, Russia

P. A. Polozova

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: V.V.Postupaev@inp.nsk.su
630090, Novosibirsk, Russia

V. I. Batkin

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: V.V.Postupaev@inp.nsk.su
630090, Novosibirsk, Russia

K. N. Kuklin

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: V.V.Postupaev@inp.nsk.su
630090, Novosibirsk, Russia

V. V. Kurkuchekov

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: V.V.Postupaev@inp.nsk.su
630090, Novosibirsk, Russia

N. A. Melnikov

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: V.V.Postupaev@inp.nsk.su
630090, Novosibirsk, Russia

S. V. Polosatkin

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: V.V.Postupaev@inp.nsk.su
630090, Novosibirsk, Russia

V. V. Postupaev

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: V.V.Postupaev@inp.nsk.su
630090, Novosibirsk, Russia

A. F. Rovenskikh

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: V.V.Postupaev@inp.nsk.su
630090, Novosibirsk, Russia

E. N. Sidorov

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Email: V.V.Postupaev@inp.nsk.su
630090, Novosibirsk, Russia

D. I. Skovorodin

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences

Author for correspondence.
Email: V.V.Postupaev@inp.nsk.su
630090, Novosibirsk, Russia

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