Production and ion-ion cooling of highly charged ions in electron string ion source

被引：5

作者：

Donets, D. E. ^{[1
]}

Donets, E. D. ^{[1
]}

Donets, E. E. ^{[1
]}

Salnikov, V. V. ^{[1
]}

Shutov, V. B. ^{[1
]}

Syresin, E. M. ^{[1
]}

机构：

[1] Joint Inst Nucl Res, Dubna 141980, Russia

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2009年 / 80卷 / 06期

关键词：

ion beams; ion sources; particle beam dynamics; particle beam injection; particle beam stability; SIMULATION; EBIS;

D O I：

10.1063/1.3152336

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The scheme of an internal injection of Au atoms into the working space of the "Krion-2" electron string ion source (ESIS) was applied and tested. In this scheme Au atoms are evaporated from the thin tungsten wire surface in vicinity of the source electron string. Ion beams with charge states up to Au(51+) were produced. Ion-ion cooling with use of C and O coolant ions was studied. It allowed increasing of the Au(51+) ion yield by a factor of 2. Ions of Kr up to charge state 28+ were also produced in the source. Electron strings were first formed with injection electron energy up to 6 keV. Methods to increase the ESIS ion output are discussed.

引用

页数：4

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