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Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
Published on: August 6, 2018
[Laser resonance ionization spectroscopy of even-parity autoionization states of cerium atom]
Zhi-ming Li1, Feng-rong Zhu, Zi-bin Zhang
1Laser Resonance Ionization Mass Spectrometry Laboratory, Northwest Institute of Nuclear Technology, Xi'an 710613, China.
Abstract:
This paper describes the investigation of even-parity autoionization states of cerium atoms by three-step three-color resonance ionization spectroscopy (RIS). Twenty-seven odd-parity highly excited levels, whose transition probability is high, were used in this research. One hundred and forty-one autoionization states were found by these channels with the third-step laser scanning in the wavelength range of 634-670 nm. The ionization probabilities of different channels, which had higher cross sections, were compared. On the basis of this, eight optimal photoionization schemes of cerium atom have been given.
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