Measurements of the parameters of a condensed deuterated Z-pinch on the angara-5-1 facility

V. V. Aleksandrov; V. A. Bryzgunov; E. V. Grabovski; A. N. Gritsuk; I. V. Volobuev; E. D. Kazakov; Yu. G. Kalinin; V. D. Korolev; Ya. I. Laukhin; S. F. Medovshchikov; K. N. Mitrofanov; G. M. Oleinik; V. G. Pimenov; E. A. Smirnova; G. I. Ustroev; I. N. Frolov

doi:10.1134/S1063780X16040012

Measurements of the parameters of a condensed deuterated Z-pinch on the angara-5-1 facility

Autores: Aleksandrov V.V.¹, Bryzgunov V.A.², Grabovski E.V.¹, Gritsuk A.N.¹, Volobuev I.V.³, Kazakov E.D.², Kalinin Y.G.², Korolev V.D.², Laukhin Y.I.¹, Medovshchikov S.F.¹, Mitrofanov K.N.¹, Oleinik G.M.¹, Pimenov V.G.⁴, Smirnova E.A.², Ustroev G.I.², Frolov I.N.¹
Afiliações:
1. Troitsk Institute for Innovation and Fusion Research
2. National Research Centre Kurchatov Institute
3. Lebedev Physical Institute
4. Zelinsky Institute of Organic Chemistry
Edição: Volume 42, Nº 4 (2016)
Páginas: 355-361
Seção: Plasma Dynamics
URL: https://journal-vniispk.ru/1063-780X/article/view/185679
DOI: https://doi.org/10.1134/S1063780X16040012
ID: 185679

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Results are presented from measurements of the parameters of high-temperature plasma in the Z-pinch neck formed when a current of up to 3.5 MA flows through a low-density polymer load. To enhance the effect of energy concentration, a deuterated microporous polyethylene neck with a mass density of 100 mg/cm³ and diameter of 1–1.3 mm was placed in the central part of the load. During the discharge current pulse, short-lived local hot plasma spots with typical dimensions of about 200–300 μm formed in the neck region. Their formation was accompanied by the generation of soft X-ray pulses with photon energies of E > 0.8 keV and durations of 3–4 ns. The plasma electron temperature in the vicinity of the hot spot was measured from the vacuum UV emission spectra of the iron diagnostic admixture and was found to be about 200–400 eV. The appearance of hot plasma spots was also accompanied by neutron emission with the maximum yield of 3 × 10¹⁰ neutrons/shot. The neutron energy spectra were studied by means of the time-of-flight method and were found to be anisotropic with respect to the direction of the discharge current.

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Electron Temperature, Plasma Physic Report, Neutron Yield, Neutron Emission, Photon Energy Range

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Measurements of the parameters of a condensed deuterated Z-pinch on the angara-5-1 facility

Texto integral

Resumo

Palavras-chave

Sobre autores

V. Aleksandrov

V. Bryzgunov

E. Grabovski

A. Gritsuk

I. Volobuev

E. Kazakov

Yu. Kalinin

V. Korolev

Ya. Laukhin

S. Medovshchikov

K. Mitrofanov

G. Oleinik

V. Pimenov

E. Smirnova

G. Ustroev

I. Frolov

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