Trap-assisted separation of nuclear states for gamma-ray spectroscopy: the example of 100Nb

被引：7

作者：

Triguero, C. Rodriguez ^{[1
]}

Bruce, A. M. ^{[1
]}

Eronen, T. ^{[2
]}

Moore, I. D. ^{[2
]}

Bowry, M. ^{[3
]}

Bacelar, A. M. Denis ^{[1
]}

Deo, A. Y. ^{[3
]}

Elomaa, V-V ^{[2
]}

Gorelov, D. ^{[2
]}

Hakala, J. ^{[2
]}

Jokinen, A. ^{[2
]}

Kankainen, A. ^{[2
]}

Karvonen, P. ^{[2
]}

Kolhinen, V. S. ^{[2
]}

Kurpeta, J. ^{[4
]}

Malkiewicz, T. ^{[5
]}

Mason, P. J. R. ^{[3
]}

Penttila, H. ^{[2
]}

Reponen, M. ^{[2
]}

Rinta-Antila, S. ^{[2
]}

Rissanen, J. ^{[2
]}

Saastamoinen, A. ^{[2
]}

Simpson, G. S. ^{[5
]}

Aysto, J. ^{[2
]}

机构：

[1] Univ Brighton, Sch Comp Engn & Math, Brighton BN2 4JG, E Sussex, England

[2] Univ Jyvaskyla, IGISOL Grp, Dept Phys, FI-40014 Jyvaskyla, Finland

[3] Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England

[4] Univ Warsaw, Fac Phys, PL-00681 Warsaw, Poland

[5] Univ Grenoble 1, LPSC, Inst Natl Polytech Grenoble, CNRS,IN2P3, F-38026 Grenoble, France

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2012年 / 39卷 / 01期

关键词：

EQUILIBRIUM SHAPES; PENNING TRAP; DECAY; IGISOL; ISOTOPES; JYFLTRAP; ISOMER;

D O I：

10.1088/0954-3899/39/1/015101

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Low-lying levels in Mo-100 are known to be populated by beta decay from both the ground and isomeric states in Nb-100. The small energy difference (similar to 3 ppm) between the two parent states and the similarity of their half-lives make it difficult to distinguish experimentally between the two decay paths. A new technique for separating different states of nuclei has recently been developed in a series of experiments at the IGISOL facility, using the JYFLTRAP installation, at the University of Jyvaskyla where mass resolution similar to 2 ppm was achieved in mass measurements and in the production of Xe-133m. This paper reports on the extension of this technique to allow the separate study of the gamma-ray decay of levels populated by the different parent states.

引用

页数：6

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