Laser-Stimulated 2-Step Recombination Of Highly-Charged Ions And Electrons In A Storage-Ring
PHYSICAL REVIEW LETTERS(1994)
摘要
Two-step resonant laser-stimulated recombination of highly charged ions was performed for the first time. Nd:YAG laser pulses overlapped with an Ar18+ beam in the electron cooler of the ESR storage ring at GSI induced transitions from the continuum to the n = 81 state of hydrogenlike Ar17+. To avoid reionization in the bending magnet before reaching the detector, the n = 81 population was transferred to a state well below the reionization threshold by a Ti:sapphire laser. Tuning of this laser yielded the n = 81 to 36 and 37 transition-line profiles. The two-step method provides access to detailed Rydberg spectroscopy in an electron beam environment.
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关键词
electron beam
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