Interaction of Heavy Ion Beams with Plasma Electrons: Role of Many-Electron Ionization Processes
- 作者: Andreev G.1, Bychkov V.1, Shevel'ko V.2
-
隶属关系:
- Department of Physical Electronics, Faculty of Physics, Moscow State University
- Lebedev Physical Institute, Russian Academy of Sciences
- 期: 卷 117, 编号 5-6 (3) (2023)
- 页面: 428-433
- 栏目: Articles
- URL: https://journals.rcsi.science/0370-274X/article/view/145170
- DOI: https://doi.org/10.31857/S123456782306006X
- EDN: https://elibrary.ru/QSMQXX
- ID: 145170
如何引用文章
详细
Processes of multiple electron-impact ionization of ions in a plasma and a beam passing through the plasma have been considered. Using experimental data and theoretical calculations of the cross sections for n-electron ionization
, the contribution from many-electron ionization rates
to the total ionization rate has been determined as a function of the electron temperature of the plasma T. It has been shown that the total contribution of many-electron ionization rates to the total ionization rate in ion beams passing through the plasma is determined by the relation between the velocity of an ion beam
and the thermal velocity of electrons in the plasma
. Many-electron ionization rates
have been numerically calculated for W+ ions for electron temperatures of the plasma from 1 eV to 10 keV and velocities of the ion beam
= 0–30 a.u., where 1 a.u. ≈ 2.2 × 108 cm/s is the atomic unit of velocity.
作者简介
G. Andreev
Department of Physical Electronics, Faculty of Physics, Moscow State University
Email: shevelkovp@lebedev.ru
119991, Moscow, Russia
V. Bychkov
Department of Physical Electronics, Faculty of Physics, Moscow State University
Email: shevelkovp@lebedev.ru
119991, Moscow, Russia
V. Shevel'ko
Lebedev Physical Institute, Russian Academy of Sciences
编辑信件的主要联系方式.
Email: shevelkovp@lebedev.ru
119991, Moscow, Russia
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