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A STUDY OF STATE-SELECTED MULTIPHOTON IONIZATION OF FORMALDEHYDE
Author(s) -
LIU HOU-XIANG,
LI ZHAO-LIN,
Shutao Li,
Han Jingcheng,
WU CUN-KAI
Publication year - 1988
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.37.470
Subject(s) - ionization , atomic physics , ion , excited state , dissociation (chemistry) , electron ionization , photoionization , atmospheric pressure laser ionization , materials science , chemical ionization , excitation , mass spectrum , formaldehyde , excimer laser , laser , physics , chemistry , optics , organic chemistry , quantum mechanics
The parent ions (H2CO+) and the descendent ions (CO+) from higher energy dissociation channel, generated by 2+1 and 2+2 photon resonant excited processes respectively, have been found in the multiphoton ionization investigation on formaldehyde with XeCl excimer laser. No HCO+ ions from lower energy dissociation channel (which are dominant in both electron impact and single-photon ionization mass spectra) appear as a result of state-selective excitation.

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