Recent Developments in MaMFIS Technology for the Production of Highly Charged Ions

被引：0
作者：
Ovsyannikov, Vladimir P. [1 ]
Nefiodov, Andrei V. [2 ]
Ramzdorf, Alexander Yu. [1 ]
Levin, Aleksandr A. [3 ]
机构：
[1] Joint Inst Nucl Res, Dubna 141980, Russia
[2] Petersburg Nucl Phys Inst, St Petersburg 188300, Russia
[3] Ioffe Inst, St Petersburg 194021, Russia
来源：
ATOMS | 2022年 / 10卷 / 04期
关键词：
highly charged ions; rippled electron beam; local ion trap; charge breeding; radioactive isotopes; heavy elements;
D O I：
10.3390/atoms10040120
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
We present results for the production of highly charged ions in a rippled electron beam propagating in a multi-section drift tube with different electrostatic potentials in an axial magnetic focusing field. The inner-shell ionization of target atoms by electron impact occurs in local ion traps formed at the electron-beam crossovers. The utmost electron current density achieved is assessed at similar to 10 kA/cm(2). The successive ionization of cathode materials and working substances such as xenon and bismuth was investigated as a function of the confinement time. The characteristic X-ray radiation from ions including Ir62+, Ce48+, Xe46+, and Bi60+ was detected. It is shown that it is possible to extract highly charged ions from local ion traps for a certain geometry of the drift tube structure and a certain distribution of the electric potentials.
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页数：8
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