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  In-source and in-trap formation of molecular ions in the actinide mass range at CERN-ISOLDE

Au, M., Athanasakis-Kaklamanakis, M., Nies, L., Ballof, J., Berger, R., Chrysalidis, K., et al. (2023). In-source and in-trap formation of molecular ions in the actinide mass range at CERN-ISOLDE. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 541, 375-379. doi:10.1016/j.nimb.2023.05.015.

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Au, M., Author
Athanasakis-Kaklamanakis, M., Author
Nies, L., Author
Ballof, J., Author
Berger, R., Author
Chrysalidis, K., Author
Fischer, P., Author
Heinke, R., Author
Johnson, J., Author
Koster, U., Author
Leimbach, D., Author
Marsh, B., Author
Mougeot, M.1, Author           
Reich, B., Author
Reilly, J., Author
Reis, E., Author
Schlaich, M., Author
Schweiger, Ch.1, Author           
Schweikhard, L., Author
Stegemann, S., Author
Wessolek, J., AuthorWienholtz, F., AuthorWilkins, S. G., AuthorWojtaczka, W., AuthorDuellmann, Ch. E., AuthorRothe, S., Author more..
Affiliations:
1Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              

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 MPINP: Speichertechnik - Abteilung Blaum
 Abstract: The use of radioactive molecules for fundamental physics research is a developing interdisciplinary field limited dominantly by their scarce availability. In this work, radioactive molecular ion beams containing actinide nuclei extracted from uranium carbide targets are produced via the Isotope Separation On-Line technique at the CERN-ISOLDE facility. Two methods of molecular beam production are studied: extraction of molecular ion beams from the ion source, and formation of molecular ions from the mass-separated ion beam in a gas-filled radio-frequency quadrupole ion trap. Ion currents of U+, UO1−3+, UC1−3+, UF1−4+, UF1,2O1,2+ are reported. Metastable tantalum and uranium fluoride molecular ions are identified. Formation of UO1−3+, U(OH)1−3+, UC1−3+, UF1,2O1,2+ from mass-separated beams of U+, UF1,2+ with residual gas is observed in the ion trap. The effect of trapping time on molecular formation is presented.

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 Dates: 2023-08
 Publication Status: Issued
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.nimb.2023.05.015
 Degree: -

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Title: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
  Abbreviation : NIM B
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier B.V.
Pages: - Volume / Issue: 541 Sequence Number: - Start / End Page: 375 - 379 Identifier: ISSN: 0168-583X
CoNE: https://pure.mpg.de/cone/journals/resource/954925484704