RILIS-ionized mercury and tellurium beams at ISOLDE CERN

Thomas Day Goodacre, Jonathan Billowes, K. Chrysalidis, D V Fedorov, V N Fedosseev, B. A. Marsh

    Research output: Contribution to journalArticlepeer-review


    This paper presents the results of ionization scheme development for application at the ISOLDE Resonance Ionization Laser Ion Source (RILIS). Two new ionization schemes for mercury are presented: a three-step three-resonance ionization scheme, ionizing via an excitation to a Rydberg level and a three-step two-resonance ionization scheme, with a non-resonant final step to the ionization continuum that corresponded to a factor of four higher ionization efficiency. The efficiency of the optimal mercury ionization scheme was measured, together with the efficiency of a new three-step three resonance ionization scheme for tellurium. The efficiencies of the mercury and tellurium ionization schemes were determined to be 6 % and >18 % respectively.
    Original languageEnglish
    Article number41
    Number of pages10
    JournalHyperfine Interactions
    Early online date22 Feb 2017
    Publication statusPublished - Nov 2017


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