A new in-gas-laser ionization and spectroscopy laboratory for off-line studies at KU Leuven

被引：20

作者：

Kudryavtsev, Yu. ^{[1
]}

Creemers, P. ^{[1
]}

Ferrer, R. ^{[1
]}

Granados, C. ^{[1
]}

Gaffney, L. P. ^{[1
,2
]}

Huyse, M. ^{[1
]}

Mogilevskiy, E. ^{[1
,3
]}

Raeder, S. ^{[1
,4
]}

Sels, S. ^{[1
]}

Van den Bergh, P. ^{[1
]}

Van Duppen, P. ^{[1
]}

Zadvornaya, A. ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Inst Kern & Stralingsfys, Celesrijnenlaan 200D, B-3001 Leuven, Belgium

[2] Univ West Scotland, Sch Engn, Paisley PA1 2BE, Renfrew, Scotland

[3] Moscow MV Lomonosov State Univ, Fac Mech & Math, Leninskie Gory 1, Moscow 119992, Russia

[4] Helmholtz Inst Mainz, D-55128 Mainz, Germany

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2016年 / 376卷

基金：

欧盟地平线“2020”; 欧洲研究理事会;

关键词：

Resonance ionization spectroscopy; Laser ion source; Gas cell; Gas jet; De Laval nozzle; TRANSPORTING RADIOACTIVE IONS; SEPARATOR SPECTROMETER S-3; CELL; ATOMS; DESIGN; ISOTOPES; LISOL; BEAMS;

D O I：

10.1016/j.nimb.2016.02.040

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The in-gas laser ionization and spectroscopy (IGLIS) technique is used to produce and to investigate short-lived radioactive isotopes at on-line ion beam facilities. In this technique, the nuclear reaction products recoiling out of a thin target are thermalized and neutralized in a high-pressure noble gas, resonantly ionized by the laser beams in a two-step process, and then extracted from the ion source to be finally accelerated and mass separated. Resonant ionization of radioactive species in the supersonic gas jet ensures very high spectral resolution because of essential reduction of broadening mechanisms. To obtain the maximum efficiency and the best spectral resolution, properties of the supersonic jet and the laser beams must be optimized. To perform these studies a new off-line IGLIS laboratory, including a new high-repetition-rate laser system and a dedicated off-line mass separator, has been commissioned. In this article, the specifications of the different components necessary to achieve optimum conditions in laser-spectroscopy studies of radioactive beams using IGLIS are discussed and the results of simulations are presented. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：345 / 352

页数：8

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