Cooling of highly-charged, short-lived ions for precision mass spectrometry at TRIUMF's Ion Trap for Atomic and Nuclear Science

被引：1
|
作者：
Schultz, B. E. [1 ]
Chowdhury, U. [1 ,2 ]
Simon, V. V. [1 ,3 ,4 ]
Andreoiu, C. [5 ]
Chaudhuri, A. [1 ]
Gallant, A. T. [1 ,6 ]
Kwiatkowski, A. A. [1 ]
Macdonald, T. D. [1 ,6 ]
Simon, M. C. [1 ]
Dilling, J. [1 ,6 ]
Gwinner, G. [2 ]
机构：
[1] TRIUMF, Vancouver, BC V6T 2A3, Canada
[2] Univ Manitoba, Dept Phys & Astron, Winnipeg, MB R3T 2N2, Canada
[3] Heidelberg Univ, Dept Phys & Astron, D-69120 Heidelberg, Germany
[4] Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany
[5] Simon Fraser Univ, Dept Chem, Burnaby, BC V5A 1S6, Canada
[6] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada
来源：
PHYSICA SCRIPTA | 2013年 / T156卷
关键词：
D O I：
10.1088/0031-8949/2013/T156/014097
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
At TRIUMF's Ion Trap for Atomic and Nuclear Science (TITAN), masses of short-lived nuclides are measured accurately and precisely using Penning trap mass spectrometry. The achievable precision is primarily limited by the radioactive lifetime of the nuclides. To boost the precision TITAN has demonstrated that short-lived isotopes can be charge-bred to higher charge states within 10-100 s of ms using an electron beam ion trap. The charge breeding process increases the energy spread of the ions, which in turn affects the precision and the efficiency. A novel cooler Penning trap (CPET) has been developed to trap and cool highly-charged ions using electrons prior to the precision measurement. A discussion of electron cooling and the current status of CPET will be given.
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