Abstract
We have studied the collective acceleration of protons and deuterons in an electron beam emitted from plasma formed at the surface of a dielectric anode insert. The experiments were performed with a pulsed electron accelerator operating at an accelerating voltage up to 1 MV, current amplitude up to 40 kA, and pulse duration of 50 ns. Reduction of the accelerating voltage pulse front width and optimization of the diode unit and drift region ensured the formation of several annular structures in the electron beam. As a result, up to 50% of the radioactivity induced in a copper target was concentrated in a ring with 4.5-cm diameter and 0.2-cm width. The formation of high energy density in these circular traces and the appearance of an axial component of the self-generated magnetic field of the electron beam are related with the increasing efficiency of acceleration of the most intense group of ions.
| Original language | English |
|---|---|
| Pages (from-to) | 463-465 |
| Number of pages | 3 |
| Journal | Technical Physics Letters |
| Volume | 43 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 1 May 2017 |
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ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)
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Annular structures formed in a beam of ions during their collective acceleration in a system with dielectric anode. / Lopatin, V. S.; Remnev, G. E.; Martynenko, A. A.
In: Technical Physics Letters, Vol. 43, No. 5, 01.05.2017, p. 463-465.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Annular structures formed in a beam of ions during their collective acceleration in a system with dielectric anode
AU - Lopatin, V. S.
AU - Remnev, G. E.
AU - Martynenko, A. A.
PY - 2017/5/1
Y1 - 2017/5/1
N2 - We have studied the collective acceleration of protons and deuterons in an electron beam emitted from plasma formed at the surface of a dielectric anode insert. The experiments were performed with a pulsed electron accelerator operating at an accelerating voltage up to 1 MV, current amplitude up to 40 kA, and pulse duration of 50 ns. Reduction of the accelerating voltage pulse front width and optimization of the diode unit and drift region ensured the formation of several annular structures in the electron beam. As a result, up to 50% of the radioactivity induced in a copper target was concentrated in a ring with 4.5-cm diameter and 0.2-cm width. The formation of high energy density in these circular traces and the appearance of an axial component of the self-generated magnetic field of the electron beam are related with the increasing efficiency of acceleration of the most intense group of ions.
AB - We have studied the collective acceleration of protons and deuterons in an electron beam emitted from plasma formed at the surface of a dielectric anode insert. The experiments were performed with a pulsed electron accelerator operating at an accelerating voltage up to 1 MV, current amplitude up to 40 kA, and pulse duration of 50 ns. Reduction of the accelerating voltage pulse front width and optimization of the diode unit and drift region ensured the formation of several annular structures in the electron beam. As a result, up to 50% of the radioactivity induced in a copper target was concentrated in a ring with 4.5-cm diameter and 0.2-cm width. The formation of high energy density in these circular traces and the appearance of an axial component of the self-generated magnetic field of the electron beam are related with the increasing efficiency of acceleration of the most intense group of ions.
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U2 - 10.1134/S1063785017050212
DO - 10.1134/S1063785017050212
M3 - Article
VL - 43
SP - 463
EP - 465
JO - Technical Physics Letters
JF - Technical Physics Letters
SN - 1063-7850
IS - 5
ER -