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Title: Coulomb explosion of “hot spot”

Abstract

The study presented in this paper has shown that the generation of hard x rays and high-energy ions, which are detected in pinch implosion experiments, may be associated with the Coulomb explosion of the hot spot that is formed due to the outflow of the material from the pinch cross point. During the process of material outflow, the temperature of the hot spot plasma increases, and conditions arise for the plasma electrons to become continuously accelerated. The runaway of electrons from the hot spot region results in the buildup of positive space charge in this region followed by a Coulomb explosion. The conditions for the hot spot plasma electrons to become continuously accelerated have been revealed, and the estimates have been obtained for the kinetic energy of the ions generated by the Coulomb explosion.

Authors:
 [1];  [2];  [3];  [1];  [2];  [2];  [1]
  1. Institute of High Current Electrons, SB, RAS, Tomsk (Russian Federation)
  2. (Russian Federation)
  3. P. N. Lebedev Physical Institute, RAS, Moscow (Russian Federation)
Publication Date:
OSTI Identifier:
22599866
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 23; Journal Issue: 9; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; BUILDUP; COULOMB ENERGY; ELECTRON TEMPERATURE; ELECTRONS; EXPLOSIONS; HARD X RADIATION; HOT SPOTS; IMPLOSIONS; IONS; KINETIC ENERGY; PLASMA; SPACE CHARGE

Citation Formats

Oreshkin, V. I., E-mail: oreshkin@ovpe.hcei.tsc.ru, Tomsk Polytechnic University, Tomsk, Oreshkin, E. V., Chaikovsky, S. A., P. N. Lebedev Physical Institute, RAS, Moscow, Institute of Electrophysics, UD, RAS, Ekaterinburg, and Artyomov, A. P. Coulomb explosion of “hot spot”. United States: N. p., 2016. Web. doi:10.1063/1.4961959.
Oreshkin, V. I., E-mail: oreshkin@ovpe.hcei.tsc.ru, Tomsk Polytechnic University, Tomsk, Oreshkin, E. V., Chaikovsky, S. A., P. N. Lebedev Physical Institute, RAS, Moscow, Institute of Electrophysics, UD, RAS, Ekaterinburg, & Artyomov, A. P. Coulomb explosion of “hot spot”. United States. doi:10.1063/1.4961959.
Oreshkin, V. I., E-mail: oreshkin@ovpe.hcei.tsc.ru, Tomsk Polytechnic University, Tomsk, Oreshkin, E. V., Chaikovsky, S. A., P. N. Lebedev Physical Institute, RAS, Moscow, Institute of Electrophysics, UD, RAS, Ekaterinburg, and Artyomov, A. P. Thu . "Coulomb explosion of “hot spot”". United States. doi:10.1063/1.4961959.
@article{osti_22599866,
title = {Coulomb explosion of “hot spot”},
author = {Oreshkin, V. I., E-mail: oreshkin@ovpe.hcei.tsc.ru and Tomsk Polytechnic University, Tomsk and Oreshkin, E. V. and Chaikovsky, S. A. and P. N. Lebedev Physical Institute, RAS, Moscow and Institute of Electrophysics, UD, RAS, Ekaterinburg and Artyomov, A. P.},
abstractNote = {The study presented in this paper has shown that the generation of hard x rays and high-energy ions, which are detected in pinch implosion experiments, may be associated with the Coulomb explosion of the hot spot that is formed due to the outflow of the material from the pinch cross point. During the process of material outflow, the temperature of the hot spot plasma increases, and conditions arise for the plasma electrons to become continuously accelerated. The runaway of electrons from the hot spot region results in the buildup of positive space charge in this region followed by a Coulomb explosion. The conditions for the hot spot plasma electrons to become continuously accelerated have been revealed, and the estimates have been obtained for the kinetic energy of the ions generated by the Coulomb explosion.},
doi = {10.1063/1.4961959},
journal = {Physics of Plasmas},
number = 9,
volume = 23,
place = {United States},
year = {Thu Sep 15 00:00:00 EDT 2016},
month = {Thu Sep 15 00:00:00 EDT 2016}
}