Isochronous mass measurements of hot exotic nuclei

被引：2
|
作者：
Hausmann, M
Stadlmann, J
Attallah, F
Beckert, K
Beller, P
Bosch, F
Eickhoff, H
Falch, M
Franczak, B
Franzke, B
Geissel, H
Kerscher, T
Klepper, O
Kluge, HJ
Kozhuharov, C
Litvinov, YA
Löbner, KEG
Münzenberg, G
Nankov, N
Nolden, F
Novikov, YN
Ohtsubo, T
Radon, T
Schatz, H
Scheidenberger, C
Steck, M
Sun, Z
Weick, H
Wollnik, H
机构：
[1] Gesell Schwerionenforsch GSI, D-64291 Darmstadt, Germany
[2] Univ Giessen, Inst Phys 2, D-35392 Giessen, Germany
[3] Univ Munich, Sekt Phys, D-85748 Garching, Germany
[4] Inst Nucl Phys, Gatchina 188350, Russia
[5] St Petersburg State Univ, St Petersburg 198904, Russia
来源：
HYPERFINE INTERACTIONS | 2001年 / 132卷 / 1-4期
关键词：
mass measurements; As-68; Se-70; Se-71; Br-73; exotic nuclei; storage rings;
D O I：
10.1023/A:1011911720453
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：
A novel method for mass measurements of short-lived exotic nuclides is presented. Exotic nuclides were produced and separated in flight at relativistic energies: with the fragment separator (FRS) and were injected into the experimental storage ring (ESR). Operating the ESR in the isochronous mode we performed mass measurements of neutron deficient fragments of Kr-84 with half-lives larger than 50 ms. However, this experimental technique is applicable in a half-life range down to a few mus. A mass resolving power of 110000 (FWHM) has been achieved. Results are presented for the masses of As-68, Se-70,Se-71 and Br-73.
引用
收藏
页码：291 / 297
页数：7
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