期刊
JOURNAL OF PHYSICAL CHEMISTRY A
卷 125, 期 41, 页码 9060-9064出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpca.1c05541
关键词
-
资金
- Netherlands Organization for Scientific Research [STU.019.009]
- Spectroscopy of Cold Molecules Department
- Institute for Molecules and Materials of Radboud University Nijmegen [20150031]
Coincidence electron-cation imaging is used to characterize the multiphoton ionization of O-2 via the nu = 4,5 levels of the 3s((3)Pi(g)) Rydberg state. A tunable 100 fs laser beam operating in the 271-263 nm region is found to cause a nonresonant ionization across this wavelength range, with an additional resonant ionization channel only observed when tuned to the (3)Pi(g) (nu = 5) level. A distinct 3s -> p wave character is observed in the photoelectron angular distribution for the nu = 5 channel when on resonance.
Coincidence electron-cation imaging is used to characterize the multiphoton ionization of O-2 via the nu = 4,5 levels of the 3s((3)Pi(g)) Rydberg state. A tunable 100 fs laser beam operating in the 271-263 nm region is found to cause a nonresonant ionization across this wavelength range, with an additional resonant ionization channel only observed when tuned to the (3)Pi(g) (nu = 5) level. A distinct 3s -> p wave character is observed in the photoelectron angular distribution for the nu = 5 channel when on resonance.
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