期刊
JOURNAL OF CHEMICAL PHYSICS
卷 152, 期 14, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/5.0003092
关键词
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资金
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program [683341]
High Rydberg states of nitric oxide (NO) with principal quantum numbers between 40 and 100 and lifetimes in excess of 10 mu s have been prepared by resonance enhanced two-color two-photon laser excitation from the X (2)Pi(1/2) ground state through the A (2)Sigma(+) intermediate state. Molecules in these long-lived Rydberg states were detected and characterized 126 mu s after laser photoexcitation by state-selective pulsed electric field ionization. The laser excitation and electric field ionization data were combined to construct two-dimensional spectral maps. These maps were used to identify the rotational states of the NO+ ion core to which the observed series of long-lived hydrogenic Rydberg states converge. The results presented pave the way for Rydberg-Stark deceleration and electrostatic trapping experiments with NO, which are expected to shed further light on the decay dynamics of these long-lived excited states, and are of interest for studies of ion-molecule reactions at low temperatures.
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