Rapid extraction of short-lived isotopes from a buffer gas cell for use in 
gas-phase chemistry experiments, Part II: On-line studies with short-lived 
accelerator-produced radionuclides

Goetz, S.; Raeder, S.; Block, M.; Duellmann, Ch E.; Folden III, C. M.; Glennon, K. J.; Goetz, M.; Huebner, A.; Jaeger, E.; Kaleja, O.; Khuyagbaatar, J.; Kindler, B.; Krier, J.; Lens, L.; Lommel, B.; Mistry, A. K.; Mokry, Ch; Runke, J.; Samark-Roth, A.; Tereshatov, E. E.; Thoerle-Pospiech, P.; Volia, M. F.; Yakushev, A.; Yakusheva, V

doi:10.1016/j.nimb.2021.09.004

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Rapid extraction of short-lived isotopes from a buffer gas cell for use in gas-phase chemistry experiments, Part II: On-line studies with short-lived accelerator-produced radionuclides

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Kaleja, O.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Zitation

Goetz, S., Raeder, S., Block, M., Duellmann, C. E., Folden III, C. M., Glennon, K. J., et al. (2021). Rapid extraction of short-lived isotopes from a buffer gas cell for use in gas-phase chemistry experiments, Part II: On-line studies with short-lived accelerator-produced radionuclides. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 507, 27-35. doi:10.1016/j.nimb.2021.09.004.

Zitierlink: https://hdl.handle.net/21.11116/0000-000A-35E5-8

Zusammenfassung

A novel combination of advanced gas-chromatography and detection systems
coupled to a buffer-gas cell was characterized on-line to allow
gas-phase chemical studies of accelerator-produced short-lived
alpha-decaying mercury, francium, and astatine isotopes. These were
produced in Ar-40- and Ca-48-induced nuclear fusion-evaporation
reactions, subsequently isolated in the recoil separators MARS at Texas
A&M University, USA, and TASCA at GSI Darmstadt, Germany, before being
thermalized in a buffer-gas-stopping cell. From the latter, the nuclear
reaction products were extracted into gas-phase chromatographic systems,
suitable for registering alpha-decaying short-lived radionuclides, such
as isotopes of superheavy elements. Efficiencies of 21(3)% for Fr204-209
were reached for the extraction into the optimized miniCOMPACT
gas-chromatography setup, indicating that this technique enables the
identification of isotopes of volatile as well as non-volatile elements.
These studies guide the path towards chemical investigations of
superheavy elements beyond flerovium, which are out of reach with
currently used setups.