RILIS-ionized mercury and tellurium beams at ISOLDE CERN

RILIS-ionized mercury and tellurium beams at ISOLDE CERN
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ISOLDE CERN 的 RILIS 电离汞和碲束

DOI:
10.1007/s10751-017-1398-6
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发表时间:
2017
影响因子:
--
通讯作者:
K. Wendt
K. Wendt
中科院分区:
--
文献类型:
--
作者:
T. Day Goodacre;J. Billowes;K. Chrysalidis;D. Fedorov;V. Fedosseev;B. Marsh;P. Molkanov;R. Rossel;S. Rothe;C. Seiffert;K. Wendt

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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.