期刊
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
卷 44, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6471/aa6642
关键词
nuclear moments and radii; laser spectroscopy; exotic isotopes
资金
- German Ministry for Education and Research (BMBF)
- Max-Planck-Society
- Belgian Flemish Science Foundation (FWO)
- KU Leuven Research Council
- Interuniversity Attraction Poles program
- UK Science and Technology Facilities Council
- Science and Technology Facilities Council [ST/P004598/1, ST/F500648/1, ST/J000159/1, ST/F012071/1, ST/G006415/1, ST/L005794/1, ST/I004726/2, EP/D075769/1, ST/L005786/1, ST/L005670/1] Funding Source: researchfish
- STFC [ST/P004598/1, ST/F500648/1, ST/L005786/1, ST/L005670/1, ST/G006415/1, ST/F012071/1, ST/I004726/2, ST/J000159/1, ST/L005794/1, EP/D075769/1] Funding Source: UKRI
Over three and a half decades of collinear laser spectroscopy and the COL-LAPS setup have played a major role in the ISOLDE physics programme. Based on a general experimental principle and diverse approaches towards higher sensitivity, it has provided unique access to basic nuclear properties such as spins, magnetic moments and electric quadrupole moments as well as isotopic variations of nuclear mean square charge radii. While previous methods of outstanding sensitivity were restricted to selected chemical elements with special atomic properties or nuclear decay modes, recent developments have yielded a breakthrough in sensitivity for nuclides in wide mass ranges. These developments include the use of bunched beams from the radiofrequency quadrupole cooler-buncher ISCOOL, which allows a suppression of background by several orders of magnitude. Very recently, the combination of collinear laser spectroscopy with the principle of laser resonance ionisation took shape in the new CRIS setup, providing a very selective and efficient detection of optical resonance. We outline the basic experimental developments and discuss important results on nuclei or chains of isotopes in different mass ranges.
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