Modeling state-selective photodetachment in cold ion traps: Rotational state “crowding” in small anions
نویسندگان
چکیده
منابع مشابه
Photodetachment of cold OH- in a multipole ion trap.
The absolute photodetachment cross section of OH- anions at a rotational and translational temperature of 170 K is determined by measuring the detachment-induced decay rate of the anions in a multipole radio-frequency ion trap. In comparison with previous results, the obtained cross section shows the importance of the initial rotational-state distribution. Using a tomography scan of the photode...
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Photodetachment spectroscopy of OH(-) and H(3)O(2)(-) anions has been performed in a cryogenic 22-pole radiofrequency multipole trap. Measurements of the detachment cross section as a function of laser frequency near threshold have been analysed. Using this bound-free spectroscopy approach we could demonstrate rotational and vibrational cooling of the trapped anions by the buffer gas in the mul...
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ژورنال
عنوان ژورنال: The Journal of Chemical Physics
سال: 2019
ISSN: 0021-9606,1089-7690
DOI: 10.1063/1.5123218