Photoionization of single rotational levels in excited B 2Π, C 2Π, and D 2Σ+ states of 14N16O
作者： H. Rottke , H. Zacharias
DOI: 10.1063/1.449744
关键词: Photoionization 、 Excitation 、 Photoionization mode 、 Electronic structure 、 Fluorescence 、 Atomic physics 、 Ionization 、 Excited state 、 Chemistry 、 Dissociation (chemistry)
摘要: Rotational state selective fluorescence excitation and two‐color resonantly enhanced ionization of nitric oxide has been investigated under collision free conditions. Single photon absorption from a tunable VUV laser source prepared the molecules in intermediate B 2Π, C 2Π, D 2Σ+ states energetically close to dissociation limit NO. The C 2Π(v’=0) at J’=2.5(2Π3/2) J’=3.5(2Π1/2) as well B 2Π(v’=7) J’=4.5(2Π3/2) J’=7.5 (2Π1/2) was clearly established. Time delayed photoionization used measure lifetimes stable weakly predissociative states. Photoionization cross sections single rotational levels electronically excited have determined by saturating step.
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