Direct mass measurements of the heaviest elements with Penning traps

被引：10
|
作者：
Block, M. [1 ,2 ]
机构：
[1] Gesell Schwerionenforsch mbH, D-64291 Darmstadt, Germany
[2] Johannes Gutenberg Univ Mainz, Helmholtz Inst Mainz, D-55099 Mainz, Germany
来源：
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY | 2013年 / 349卷
关键词：
Penning trap; Atomic mass; Superheavy element; ALPHA-GAMMA-DECAY; NEUTRON-DEFICIENT ISOTOPES; ION-CYCLOTRON-RESONANCE; OCTUPOLAR EXCITATION; SUPERHEAVY NUCLEI; HIGH-PRECISION; RP-PROCESS; SPECTROSCOPY; ONLINE; IDENTIFICATION;
D O I：
10.1016/j.ijms.2013.02.013
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：
Penning-trap mass spectrometry (PTMS) has become the method of choice for direct high-precision mass measurements of radionuclides in recent years. This has opened up many new possibilities for the study of the nuclear structure evolution in nuclides far away from stability. The introduction of buffer-gas stopping along with advanced ion-manipulation techniques has extended the reach of PTNIS to radionuclides produced in fusion evaporation reactions. Thus, the elements heavier than fermium that can only be produced in this way are now also accessible to PTMS. This contribution reviews the present status of direct mass measurements of the heaviest elements taking the pioneering measurements with SHIPTRAP at GSI as an example. Novel approaches that can be realized combining PTMS with other techniques are addressed and the future perspectives for experiments on superheavy elements are discussed. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：94 / 101
页数：8
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