Several modes of electroweak radioactive decay require an interaction between the nucleus and bound electrons within the constituent atom. Thus, the probabilities of the respective decays are not only influenced by the structure of the initial and final states in the nucleus, but can also depend strongly on the atomic charge. Conditions suitable for the partial or complete ionization of these rare isotopes occur naturally in hot, dense astrophysical environments, but can also be artificially generated in the laboratory to selectively block certain radioactive decay modes. Direct experimental studies on such scenarios are extremely difficult due to the laboratory conditions required to generate and store radioactive ions at high charge states. A new electron-beam ion trap (EBIT) decay setup with the TITAN experiment at TRIUMF has successfully demonstrated such techniques for performing spectroscopy on the radioactive decay of highly charged ions.
Experimental updates on development of accelerator-driven ion source at TRIUMF to benchmark Ba-tagging techniques for future neutrinoless double beta decay searches
TRIUMF(特柳姆夫国家粒子加速器中心);Department of Physics and Astronomy, McMaster University(麦克马斯特大学物理与天文系);Department of Physics and Physical Oceanography, University of North Carolina at Wilmington(北卡罗来纳大学威尔明顿分校物理与物理海洋学系);Department of Physics, McGill University(麦吉尔大学物理系);Department of Physics and Astronomy, University of Victoria(维多利亚大学物理与天文系)
First direct measurement of $^{48}$Ca single $β$-decay Q value with the TITAN Penning trap
TRIUMF(特利昂姆夫实验室);Department of Physics and Astronomy, University of Manitoba(曼尼托巴大学物理与天文学系);Department of Physics, Central Michigan University(中密歇根大学物理系);Department of Physics and Astronomy, University of Calgary(卡尔加里大学物理与天文学系);Department of Physics and Astronomy, University of Victoria(维多利亚大学物理与天文学系);Department of Physics, McGill University(麦吉尔大学物理系)
First observation of the fine structure of the Pygmy Dipole Resonance in a nucleus away from stability via the $β^-$ decay of $^{92}$Rb to $^{92}$Sr
University of Liverpool(利物浦大学);Simon Fraser University(西蒙菲莎大学);University of York(约克大学);University of Jyväskylä(于韦斯屈莱大学);International Centre for Advanced Training and Research in Physics (CIFRA)(国际高级培训与物理研究中心);Helmholtz Zentrum Hereon(亥姆霍兹海雷恩中心);CERN(欧洲核子研究组织);TRIUMF(特利安夫实验室);University of Guelph(圭尔夫大学)