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====== Experiment ======
Generally, there are different ways of detecting transient spin-polarised paramagnetic species with EPR. Probably the most common is to use a conventional //cw//-EPR spectrometer in a direct detection mode -- such as not to restrict the achievable time resolution -- and recording transients.
In principle, it is possible to use pulsed EPR techniques as well to obtain spectra of transient polarised species.
==== Literature ====
nocite=forb-advpoc-47-1,bisk-fch-7-10,webe-emagres-6-255