RILIS laser ion source development for ISOL systems at RISP

被引：5

作者：

Park, Sung Jong ^{[1
]}

Kim, Jung Bog ^{[2
]}

机构：

[1] Inst for Basic Sci Korea, Rare Isotope Sci Project, Daejeon 34000, South Korea

[2] Korea Natl Univ Educ, Dept Phys Educ, Chung Buk 28173, South Korea

来源：

HYPERFINE INTERACTIONS | 2020年 / 241卷 / 01期

关键词：

RILIS; Laser ion source; Sn; RAON; RISP; IONIZATION; HRIBF;

D O I：

10.1007/s10751-020-01714-2

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：

The Resonance Ionization Laser Ion Source (RILIS) system has been developed for the future on-line laser ion source for a new heavy ion accelerator, RAON, in Korea. A tunable laser system consisting of four Ti:Sapphire lasers pumped by a Nd:YAG laser has been set up for the application in the RILIS laser ion source development in the ISOL facility of the Rare Isotope Science Project (RISP)/IBS. As a milestone of extraction of rare isotopes produced through uranium fission, double magic nucleus of Sn-132 is our first target. Three step resonance ionization schemes with four laser wavelengths, at 286 nm, 301 nm, 811 nm and 823 nm, have been investigated for Sn. In this paper, we present the recent results and the current status of the hot-cavity type laser ion source development in the off-line ion source test facility of RISP, including measurements of ionization efficiency and mass resolving power.

引用

页数：8

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