Recent RILIS developments at the TRIUMF offline laser ion source test stand

Li, Ruohong; Mostamand, M.; Romans, Jekabs; Reich, Bianca Bettina; Lassen, J.

doi:10.1007/s10751-020-1694-4

Cited by 7 publications

(2 citation statements)

References 14 publications

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“…The francium trapping facility (Zhang et al, 2016;Kalita et al, 2018;Gwinner and Orozco, 2022) at TRIUMF is another MOT system which pursues a new, improved atomic parity non-conservation (APNC) experiment. Finally, laser spectroscopy work is performed either directly next to the production target with TRIUMF Resonant Ionization Laser Ion Source (TRILIS) (Li et al, 2020;Raeder et al, 2013) or with fast beams in a collinear configuration (Voss et al, 2016) 4.3.1. Ion Reaction Cell (IRC) Next-generation experiments require efficient online production of exotic radioactive molecules from RIB at high purity and yield.…”

Section: Triumfmentioning

confidence: 99%

Opportunities for Fundamental Physics Research with Radioactive Molecules

Arrowsmith-Kron¹,

Athanasakis-Kaklamanakis²,

Au³

et al. 2023

Preprint

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Molecules containing short-lived, radioactive nuclei are uniquely positioned to enable a wide range of scientific discoveries in the areas of fundamental symmetries, astrophysics, nuclear structure, and chemistry. Recent advances in the ability to create, cool, and control complex molecules down to the quantum level, along with recent and upcoming advances in radioactive species production at several facilities around the world, create a compelling opportunity to coordinate and combine these efforts to bring precision measurement and control to molecules containing extreme nuclei. In this manuscript, we review the scientific case for studying radioactive molecules, discuss recent atomic, molecular, nuclear, astrophysical, and chemical advances which provide the foundation for their study, describe the facilities where these species are and will be produced, and provide an outlook for the future of this nascent field.

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Section: Triumfmentioning

confidence: 99%

Opportunities for Fundamental Physics Research with Radioactive Molecules

Arrowsmith-Kron¹,

Athanasakis-Kaklamanakis²,

Au³

et al. 2023

Preprint

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“…It should be mentioned that hot cavity ion sources have evolved over the years into the resonant ionization laser ion sources (RILIS) [16][17][18][19][20][21]. Their principle of operation makes use of the stepwise excitation of the valence electron of atoms by highpower tunable lasers.…”

Section: Introductionmentioning

confidence: 99%

Ionization in Hot Cavity Ion Sources

Turek

2022

Acta Phys. Pol. A

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A theoretical model of ionization and ion extraction in hot cavity ion sources is presented. The model enables the calculation of the total ionization efficiency in the hot cavity, as well as to study changes in the number of ions and neutral particles inside the cavity. A general formula describing the evolution of the system is derived -which could be especially useful for fast numerical calculations. Examples of calculation results are presented and discussed, showing that high ionization efficiencies (significantly exceeding the predictions of the Saha-Langmuir formula) can be achieved especially for small extraction openings. An alternative (to the ion and neutral numbers) description of the system has been proposed in terms of the total number of particles and the difference between the neutrals and the ions, which in some cases makes understanding the dynamics of the system much easier. The possibilities of the model are illustrated considering four special cases: closed cavity, cold cavity, and the cases of weak extraction and super-efficient extraction ("each ion" mode). The theoretical formulae enabling total ionization efficiency for the two latter cases are derived in the paper, and their predictions are compared to the results of numerical calculations.

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