Precision mass measurements of neutron halo nuclei using the TITAN Penning trap

被引：5
|
作者：
Brodeur, M. [1 ,2 ]
Brunner, T. [1 ,3 ]
Ettenauer, S. [1 ,2 ]
Gallant, A. T. [1 ,2 ]
Simon, V. V. [1 ,4 ]
Smith, M. [1 ,2 ]
Lapierre, A. [1 ]
Mane, E. [1 ]
Ringle, R. [1 ]
Ryjkov, V. L. [1 ]
Bacca, S. [1 ]
Delheij, P. [1 ]
Lunney, D. [5 ]
Pearson, M. [1 ]
Dilling, J. [1 ,2 ]
机构：
[1] TRIUMF, Vancouver, BC V6T 2A3, Canada
[2] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada
[3] Tech Univ Munich, Phys Dept E12, D-85748 Garching, Germany
[4] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[5] Univ Paris 11, CSNSM, IN2P3, CNRS, F-91405 Orsay, France
来源：
HYPERFINE INTERACTIONS | 2011年 / 199卷 / 1-3期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Halo nuclei; Penning trap; Mass measurement; Nuclear theory;
D O I：
10.1007/s10751-011-0311-y
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：
Precise atomic mass determinations play a key role in various fields of physics, including nuclear physics, testing of fundamental symmetries and constants and atomic physics. Recently, the TITAN Penning trap measured the masses of several neutron halos. These exotic systems have an extended, diluted, matter distribution that can be modelled by considering a nuclear core surrounded by a halo formed by one or more of loosely bound neutrons. Combined with laser spectroscopy measurements of isotopic shifts precise masses can be used to obtain reliable charge radii and two-neutron-seperation energies for these halo nuclei. It is shown that these results can be used as stringent tests of nuclear models and potentials providing an important metric for our understanding of the interactions in all nuclei.
引用
收藏
页码：167 / 173
页数：7
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