Spin-aligned RI beams via two-step fragmentation reactions

被引：1

作者：

Ichikawa, Y. ^{[1
]}

Ueno, H. ^{[1
]}

Ishii, Y. ^{[2
]}

Furukawa, T. ^{[3
]}

Yoshimi, A. ^{[4
]}

Kameda, D. ^{[1
]}

Watanabe, H. ^{[1
]}

Aoi, N. ^{[1
]}

Asahi, K. ^{[2
]}

Balabanski, D. L. ^{[5
]}

Chevrier, R. ^{[6
]}

Daugas, J. M. ^{[6
]}

Fukuda, N. ^{[1
]}

Georgiev, G. ^{[7
]}

Hayashi, H. ^{[2
]}

Iijima, H. ^{[2
]}

Inabe, N. ^{[1
]}

Inoue, T. ^{[2
]}

Ishihara, M. ^{[1
]}

Kubo, T. ^{[1
]}

Nanao, T. ^{[2
]}

Ohnishi, T. ^{[1
]}

Suzuki, K. ^{[2
]}

Tsuchiya, M. ^{[2
]}

Takeda, H. ^{[1
]}

Rajabali, M. M. ^{[8
]}

机构：

[1] RIKEN, Nishina Ctr, Wako, Saitama 3510198, Japan

[2] Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528551, Japan

[3] Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, Japan

[4] Okayama Univ, Res Core Extreme Quantum World, Kita Ku, Okayama 7008530, Japan

[5] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BG-1784 Sofia, Bulgaria

[6] CEA, DAM, DIF, F-91297 Arpajon, France

[7] Univ Paris 11, CSNSM, IN2P3, CNRS, F-91404 Orsay, France

[8] Katholieke Univ Leuven, Inst Kern Stralingsfys, B-3001 Louvain, Belgium

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2013年 / 317卷

关键词：

Nuclear spin; Nuclear moment; RI beam; RESOLUTION; RIKEN;

D O I：

10.1016/j.nimb.2013.04.071

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A method to produce spin-aligned rare isotope (RI) beams has been developed, where a scheme of two-step projectile fragmentation to produce the RI of interest with high spin alignment and a technique of momentum-dispersion matching are combined. Effectiveness of the present method was demonstrated in an experiment at the RIKEN RIBF, where an RI beam of Al-32 with spin alignment of 8(1)% was successfully produced from a primary beam of Ca-48, via an intermediate RI of Al-33. Figure of merit of the present method was found to be more than 50 times greater than that of the conventional method employing single-step projectile fragmentation. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：769 / 773

页数：5

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