LOW FIELD ZEEMAN EFFECT AND THE MECHANISM OF THE INTERSYSTEM CROSSING PROCESS
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Date
1974
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Ohio State University
Abstract
The magnetic field effect on the relative pumping rates for the lowest triplet zero-field Levels is used to elucidate the intersystem crossing mechanism. From the zero-field relative pumping rates, the magnetic field effects on these relative rates can be calculated for the direct process $(S_{1} \rightarrow T_{1})$. Agreement between the calculated and observed effects would confirm the $S_{1} \rightarrow T_{1}$ mechanism, while disagreement would suggest an $S_{1}\rightarrow$ higher triplet mechanism. The 2,3-dichloroquinoxaline system is studied and will be discussed.
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Author Institution: Department of Chemistry, University of California