On-line experimental results of an argon gas cell-based laser ion source (KEK Isotope Separation System)

被引：19
作者：
Hirayama, Y. [1 ]
Watanabe, Y. X. [1 ]
Imai, N. [1 ,6 ]
Ishiyama, H. [1 ]
Jeong, S. C. [1 ,7 ]
Jung, H. S. [1 ]
Miyatake, H. [1 ]
Oyaizu, M. [1 ]
Kimura, S. [1 ,2 ]
Mukai, M. [1 ,2 ,3 ]
Kim, Y. H. [4 ]
Sonoda, T. [3 ]
Wada, M. [3 ]
Huyse, M. [5 ]
Kudryavtsev, Yu. [5 ]
Van Duppen, P. [5 ]
机构：
[1] High Energy Accelerator Res Org KEK, Inst Particle & Nucl Studies IPNS, Wako Nucl Sci Ctr WNSC, Saitama 3510198, Japan
[2] Univ Tsukuba, Tsukuba, Ibaraki 3050006, Japan
[3] RIKEN, Nishina Ctr Accelerator Based Sci, Wako, Saitama 3510198, Japan
[4] Seoul Natl Univ, Seoul 151742, South Korea
[5] Katholieke Univ Leuven, Inst Kern Stralingsfys, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
[6] Univ Tokyo, Ctr Nucl Study, Hirosawa 2-1, Wako, Saitama 3510198, Japan
[7] Inst for Basic Sci Korea, Rare Isotope Sci Project, 70 Yuseong Daero 1689 Gil, Daejeon 305811, South Korea
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2016年 / 376卷
关键词：
Gas cell; Laser resonance ionization; TRANSPORTING RADIOACTIVE IONS; IONIZATION; ATOMS; COLLISIONS; BEAMS;
D O I：
10.1016/j.nimb.2016.03.031
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
KEK Isotope Separation System (KISS) has been developed at RIKEN to produce neutron rich isotopes with N = 126 to study the beta-decay properties for application to astrophysics. The KISS is an element-selective mass-separation system which consists of an argon gas cell-based on laser ion source for atomic number selection and an ISOL mass-separation system. The argon gas cell of KISS is a key component to stop and collect the unstable nuclei produced in a multi-nucleon transfer reaction, where the isotopes of interest will be selectively ionized using laser resonance ionization. We have performed off- and on-line experiments to study the basic properties of the gas cell as well as of the KISS. We successfully extracted the laser-ionized stable Fe-56 (direct implantation of a Fe-56 beam into the gas cell) atoms and Pt-198 (emitted from the Pt-198 target by elastic scattering with a Xe-136 beam) atoms from the KISS during the commissioning on-line experiments. We furthermore extracted laser-ionized unstable Pt-199 atoms and confirmed that the measured half-life was in good agreement with the reported value. (C) 2016 Elsevier B.V. All rights reserved.
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收藏
页码：52 / 56
页数：5
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