Isotope selective two-step photoionization study of K 2 in a supersonic molecular beam
摘要：
The photoionization efficiency curves for 39,39K 2 and 39,41K 2 dimers excited to the B 1Π u electronic state have been measured using sequential two-photon-ionization techniques. Accurate determinations of nine photoionization thresholds yield an adiabatic ionization energy of 4.06073 ± 0.00016 eV. Autoionizing Rydberg states are assigned and analyzed. Autoionization rates are measured for several Rydberg vibronic states. The isotopic dependence of the autoionization structure is partially analyzed and molecular constants for the K + 2 ( 2Σ + g) state are derived.
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DOI：
10.1016/0301-0104(80)80055-3
被引量：
年份：
1980
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